Qhov twg los kawm kom sib txuas lus kho qhov muag?
Oct 24, 2025|
Thaum kuv tau pib tshawb fawb coherent optical sib txuas lus peb lub xyoos dhau los, Kuv ua txhua tus pib ua tsis tau nyob hauv phau ntawv. Kuv nkim lub hlis nyob rau ntawm cov peev txheej qub, tawm tsam nrog cov nqi ua ntej Kuv tsis paub tias kuv xav tau, thiab raug khi ntawm cov ntawv sau ua tsis tau. Ntawm no yog dab tsi tsis muaj leej twg qhia koj upfront: kev kawm cohericented vim tias txoj kev kawm txoj kev nws tus kheej, txhua tus hais lus sib txawv ntawm tib hom lus.
Qhov kev sib pauv no tshwm sim rau qhov laj thawj. Coherent qhov kev sib txuas lus ntawm kev sib txuas lus ntawm cov tshuab hluav taws xob, thiab kev sib txuas lus} peb tsis tshua muaj kev sib cav hauv qab. Lub teb tawg lag luam tom qab 2005 thaum Digital Coherent tau txais thaum kawg daws cov teeb meem lub suab uas tua thev naus laus zis nyob rau xyoo 1990. Tab sis kev kawm cov txiaj ntsig tsis tau ntes nrog qhov kev sawv rov los.
Ntawm no yog qhov tseeb qhov tseeb: Feem ntau cov kev kawm kev kawm uas koj yog ib tus neeg kawm ntawv nrog tsib xyoos rau kev lag luam uas twb nkag siab 80% ntawm cov khoom siv. Yog tias koj nyob qhov twg hauv nruab nrab -}}} Koj yuav tsum tau kawm txog cov kev kawm uas nyob ib sab.
Cov kev kawm sib tw feem ntau cov khoom siv yuav tsis hais
Ua ntej dhia mus rau hauv cov peev txheej, nkag siab dab tsi ua kom muaj kev sib txuas lus kho qhov muag tsis sib haum xeeb. Los ntawm kev txheeb xyuas dua 300 cov ntaub ntawv tshawb fawb thiab 50 cov ntaub ntawv kev kawm tau tshaj tawm txog xyoo 2009-2025, peb qhov kev tiv thaiv peb qhov tseem ceeb tshwm sim.
Qhov yuav tsum tau ua ua ntej ntaus yeej nyuaj tshaj plaws.Coherent optical sib txuas lus xav tau npliag hauv peb qhov kev paub sib txawv ua ke. Koj xav tau electromagnetic kev xav kom nkag siab tias lub teeb ci li cas los ntawm fiber ntau thiab muaj kev sib raug zoo li cas ua haujlwm ntawm kev ua haujlwm theem. Koj xav tau cov teeb liab kev ua haujlwm digital ua rau nkag siab cov tuam txhab ua kom rov zoo, polarization demultInterexing, thiab kev them nyiaj thiab kev faib tawm cov lus sib txawv. Koj yuav tsum tau kev sib txuas lus kev xav kom nkag siab txog cov ntaub ntawv tawm, ib qho nqi sib txawv, thiab cov peev xwm channel. Nco ib tus ncej, thiab cov ntsiab lus siab ua tsis tau.
Feem ntau cov chav kawm twb tau ua tiav cov hauv paus no, uas tsim cov nqaij qaib - {1 {qe teeb meem. Qhov IIT Kanpur Nptel chav kawm ntawm kev sib txuas lus kho mob, thiab cov ntsiab cai ntawm kev sib txuas lus zoo li 40-60}}}}}}}}} {-60 lub sijhawm kawm ntawv rau ib tug neeg los ntawm ib tug neeg tom qab keeb kwm yav dhau los.
Qhov thib ob ntawm kev teeb meem yog cov ntaub ntawv sib txawv ntawm txoj kev xav thiab kev siv.Cov ntaub ntawv kev kawm piav qhia kev ua lej tab sis tsis tshua paub txog kev txiav txim siab engineering uas ua rau lawv ua haujlwm hauv lub tshuab tiag. Kikuchi seminal 2016 daim ntawv "ntawm kev sib txuam ntawm cov khoom siv hluav taws xob fiber ntau dua"
Cov ntaub ntawv kev lag luam yuav siv sij hawm mus kom ze. Ciena cov txheej txheem txheej txheem ntawm kev nthuav dav thiab Infintera cov ntaub ntawv dawb piav qhia txog cov ntsiab lus ua lej tau, tab sis vim li cas nws tsis nkag siab txog kev txwv kev txwv thiab kev ua lag luam. Tsis ntev los no 2024 kev kawm ntawm high- bad {otion modulatorth, tsim kev lag luam rau cov kev thov tshaj tawm cov khoom siv uas tau hais hauv cov ntaub ntawv ua lag luam.
Qhov kev sib tw thib peb yog txoj kev hloov pauv ntawm kev hloov thev naus laus zis.Phau ntawv luam tawm nyob rau hauv 2020 yuav dhau los ntawm 2024 hauv cov cheeb tsam tshwj xeeb. Kev lag luam tau hloov los ntawm 100g rau 400g Coherent Pluggables ntawm xyoo 2018-2023, thiab 800g cov ntaub ntawv uas twb tau siv ntau yam kev thauj khoom ntawm cov ntaub ntawv tam sim no. Cov ntawv qhia kev kawm tawm tsam kom PACE, txhais tau cov kev txhim kho tam sim no tsuas yog muaj nyob hauv lub rooj sib tham sib tham thiab cov ntawv sau ua ntej.
Kev txiav txim siab: txuam koj cov keeb kwm yav dhau los kawm txoj kev
Tsis yog txhua txhua txoj kev kawm ib ce cov neeg kawm txhua tus. Raws li koj cov hom phiaj kev paub thiab cov hom phiaj kev kawm thiab cov haujlwm sib txawv ntawm cov kev pab yuav ua pov thawj ntau dua.
Yog tias koj yog ib tus tub ntxhais kawm raug ncua lossis tus tswv tus menyuam kawm ntawv muaj kev txawj ua lej thiab kev kawm tau zoo,Koj qhov txiaj ntsig yog lub sijhawm thiab cov chaw haujlwm ntawm cov tuam tsev. Koj muaj peev xwm them taus los tsim cov hauv paus hniav txheej txheem, pib nrog theoretical cov ntsiab cai thiab ua haujlwm rau cov ntawv thov. Kev kawm txuj ci - Cov phau ntawv kawm, thiab muaj peev xwm nkag tau zoo tshaj plaws ntawm no.
Pib nrog cov phau ntawv nyeem dav dav zoo li "qhia kom muaj fiber ntau- Kev sib txuas lus zoo nkauj" los ntawm Ronger Kev Sib Txuas Lus thiab suav nrog cov piv txwv ua haujlwm. Ua raws li no nrog cov qauv online los ntawm cov chav kawm online los ntawm cov tsev kawm ntawv Kanpur lossis cov tsev zoo sib xws, uas muab cov yeeb yaj kiab qhia lus thiab teeb meem. Koj lub hom phiaj nyob rau hauv thawj 3 - 6 lub hlis yuav tsum tau txhim kho cov npliag hauv peb yam yuav tsum tau ua haujlwm thaum lub tsev ua haujlwm maj mam kawm tiav.
Yog tias koj yog tus neeg lag luam kws kho tshuab xav tau kev paub sai sai,Koj cov kev txwv yog lub sijhawm, tsis nkag rau cov peev txheej. Koj yuav muaj qee tus keeb kwm yav dhau los siv kho qhov muag lossis kev ua teeb meem tab sis xav tau rau choj gaps sai. Cov kev lag luam pov thawj kev lag luam ua rau kev txiav txim siab ntau ntxiv ntawm cov kev qhia ua haujlwm zoo nkauj (daim ntawv pov thawj
Cov kev pab cuam no kwv yees cov kev paub ntawm lub hauv paus tab sis ua kom tiav txoj kev kawm nkhaus los ntawm kev tsom mus rau dab tsi tiag tiag hauv cov tshuab. Lawv yuav tsis ua rau koj tus kws tshaj lij nyob hauv Quantum suab nrov, tab sis lawv mam qhia koj yuav ua li cas tsim qauv, xeem, thiab daws teeb meem tiag sib txuas. Kev sib xyaw ua ke nrog cov ntaub ntawv uas muag los ntawm Ciena, Infintera, lossis Cisco muab koj cov kev kawm paub ntau yam uas feem ntau tsis muaj.
Yog tias koj tus kheej - kev kawm tsis muaj kev txuam nrog kev ua lag luam,Koj cov kev sib tw tau nkag thiab cov qauv. Koj tsis muaj kev ua pov thawj rau IEE lossis Optica cov phau ntawv, thiab koj yog kev paub txog kev ua haujlwm hauv tsev. Lub Hybrid Txoj Kev Ua Haujlwm Zoo Tshaj: Kev Kawm online online rau cov qauv, qhib} Siv cov ntaub ntawv rau qhov tob, thiab cov neeg sib tham hauv zej zog rau kev txhawb nqa.
Tus IIT Kanpur Cov Kev Kawm Nppur (muaj pub dawb ntawm YouTube thiab nptel platform) muab kev kawm txuj ci) yog tsis xav tau kev cuv npe. Ntxiv rau cov ntawv no nrog cov ntawv txheeb xyuas dawb {1} togeang lis "Cov kev hloov tshiab tam sim no hauv kev sib txuas lus thiab qhib {{3} nkag. Rau cov kev tsim kho nyuam qhuav dhau los, ua raws li kev ua lag luam ua ntej hauv kev sib txuas lus kho qhov muag, uas hla cov ntawv xov xwm hla kev them nyiaj.
Kev Kawm Txuj Ci Kev Kawm: Cov Tsev Kawm Qib Siab thiab Chav Kawm
Ntau lub tsev haujlwm thoob ntiaj teb tau ua tiav cov kev pab cuam ua tiav hauv kev sib txuas lus kho qhov muag, thaj chaw tau txais txiaj ntsig thiab tsom mus rau thaj chaw sib txawv.
Cov Kev Kawm Hauv Tsev Kawm Qib Siab
Iit Kanpur Center rau lasers thiab photonicsMuab dab tsi ntau xav txog cov tau yooj yim tshaj plaws -} theem qib sib faib artics kev kawm. Lawv cov chav kawm nppt "kho kho mob" los ntawm Dr. Pradeeter Kumar muab 12 lub lis piam muaj 12 lub lis piam Chav kawm muaj cov qauv Matlab -}}}}}}}}}}} thiab npog cov ntsiab lus ncaj qha thiab sib koom tes kom paub cov ntsiab cai. Tshaj li 15,000 tus tub ntxhais kawm tau cuv npe thoob plaws ntau yam kev kawm no, ua rau nws muaj ib qho kev sib tw optics uas nrov tshaj plaws hauv ntiaj teb. Daim ntawv pov thawj kev kuaj mob yog xaiv tau thiab raug nqi kwv yees li 1,000 INR ($ 12 USD).
Dab tsi teeb tsa txoj kev kawm no yog nws cov qauv txheej txheem nce zuj zus. Lub lim tiam 6 qhia meej meej sib piv nrhiav kom pom kev ncaj qha, tus kheej- hom ntawv tau txais kev paub txog vim li cas cov txheej txheem piav qhia lawv txoj kev nyuaj. Lub lim tiam 11 {- 12 tsom xam rau DSP Algorithms rau kev sib txuas lus-lub plawv ntawm niaj hnub no cov kev kawm kho superficially.
Georgia Tech ELE 4502(Fiber ntau kev sib txuas lus) yuav siv sij hawm sib txawv, hais txog ob txhais tes - ntawm kev ntsuas nrog kev tshawb nrhiav. Cov tub ntxhais kawm ua haujlwm nrog cov khoom siv kho qhov muag kho tshiab-} cliet thiab spricing fiber ntau, kev ua haujlwm ntsuas kho qhov muag kho qhov muag. Cov chav kawm no suav tau coherent tau raws li ib feem ntawm nws cov kev hloov kho kho qhov muag tshiab, nrog rau cov suab nrov rau cov suab nrov thiab cov khoom tsis taus. Qhov kev tshaj tawm no ua rau Georgia Tech txoj haujlwm tseem ceeb rau cov phiaj xwm npaj ua haujlwm hauv kev tsim qauv lossis tsim qauv.
Tsev Kawm Ntawv Qib Siab Ece 531(Quantum thiab coherent optics) cov kev sib txuas lus sib txuas lus los ntawm Quantum Optics Foundation. Cov ntsiab lus suav nrog kev ntsuas homernernne thiab qhov kev kuaj mob heterdyne kho kom nruj thiab kimab suab nrov nrov. Qhov kev zov me nyuam no zoo tshaj plaws phud cov tub ntxhais kawm lossis cov uas txaus siab nyob rau hauv Quantum- kev sib txuas lus kho tshiab, suav nrog Quantum tseem ceeb faib daim ntawv thov.
University of Central Florida's Creol(Tsev kawm qib siab ntawm Optics & Photonics) tswj cov kev tshawb fawb ua haujlwm hauv kev sib txuas lus kho qhov muag tau coj los ntawm Guitmang Li, nws tus lej tshuaj xyuas tau dav. Creol muab cov kev kawm tiav qib tshwj xeeb thiab cov kev tshawb fawb hauv chaw - kev faib tawm multats. Txoj haujlwm tsom rau kev tshawb fawb, ua rau nws zoo tagnrho rau cov uas caum cov kev tshawb fawb los yog cov haujlwm tshawb fawb.
Purdue University Kev Ua OnlineHauv Fiber Optics Kev Sib Tham los ntawm lawv cov kev kawm txuj ci kev kawm tau muab kawm tiav tiav}}} cov ntsiab lus qib nkag tau yooj yim. Cov chav kawm suav nrog Fiber ntau cov lus qhia sib txuas lus, kev sib xyaw ua ke nrog rau kev sib txuas lus ntau dua nrog rau kev sib txuas lus ntau dua nrog rau kev sib txuas lus ntau. Thawj phau ntawv yog Govind Page A Agrawal "fiber} {}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Tus qauv sib txuas lus uas mob siab them nyiaj rau cov kab ke.
Qauv Online Chav Kawm
Tshaj hauv kev kawm qib siab, ob peb lub siab {{}} Cov chav kawm zoo online muaj kev kawm tiav yam tsis muaj kev nkag mus kawm.
TusNptel platform(Hauv Tebchaws Qhov Kev Kawm ntawm Kev Kawm Txuj Ci Technology) Los Is Nrias teb Cov Cuab Yeej Siv Ntau Ntau Lawv cov "fiber {{- Kev sib txuas lus sib txuas lus ntawm cov ntsiab lus ntawm cov pej xeem muaj zog, thiab cov txheej txheem DSP. Cov chav kawm sib piv kev sib piv kev coj ncaj qha thiab kev sib koom ua ke, pab cov neeg kawm nkag siab txog kev lag luam tawm. Cov neeg pab neeg lag luam suav nrog cov thev naus laus zis, Infintera, thiab kev tiv thaiv lub chaw soj ntsuam, qiv cov ntsiab lus kev kawm.
Cov kev kawm luv nqi no muaj qhov tsis txaus ntseeg: lawv tsim rau Is Nrias teb cov kev kawm tiav qib siab thaum lub sijhawm ua haujlwm hauv Western thaum tswj hwm kev kawm nruj. Lub nrawm yog kev zam txim ntau ntxiv, nrog cov qauv ua haujlwm ntau dua thiab cov lus piav qhia ua ntej ua ntej dhia rau kev ua lej.
Kev Ua Haujlwm Tshaj Lij thiab Kev Kawm Txuj Ci
Rau cov kws txua cov engineers yuav tsum muaj kev ua haujlwm - Npaj cov kev pab qhia sai sai, kev tsom xam cov kev kawm uas cov kev kawm uas kawm tau.
Kev Cob Qhia Optical Technology (Ott)Kev ua haujlwm tau txais cov kev pab cuam muaj pov thawj zoo tshaj plaws tshwj xeeb rau kev sib tw optical. Lawv lub khob noom (ntawv pov thawj optical network engineation Qhov kev pab cuam 5-hnub no yuav tsum ua tiav ntawm lawv tus CONA (tau lees paub txog cov kev paub zoo saib xyuas kho qhov muag ua ntej pib cov txheej txheem sib txuas.
Lub khob hlum tshab qhia cov kev sib tw tiag tiag: Tsim kev ua lag luam tawm, kev ntsuas cov neeg muag khoom, thiab daws cov teeb meem neeg muag khoom tsis zoo. Ot tswj hwm cov tswv yim {{1} Cov tub ntxhais kawm kawm paub cov peev nyiaj, ntsuas qhov ntsuas OSNR, thiab qhia kom haum rau cov ntawv thov tshwj xeeb.
Ib tus neeg tuaj koom kuv tau hais nrog (lub network engineer kev hloov pauv ntawm qhov muag ntawm qhov muag) pom cov ntawv pov thawj ntawm lub ntsej muag "hloov pauv" Cov kev zov me nyuam kwv yees kev nplij siab nrog cov tswv yim kho qhov yooj yim thiab kev sib txuas lus tshuab. Yog tias tsis muaj Cona lub hauv paus, cov khoom siv cinee txav nrawm dhau. OTT muab cov peev txheej hauv online ntawm kev cob qhia, uas muaj pov thawj tseem ceeb rau kev txhawb nqa cov ntsiab lus tom qab.
FiberGuide cov kev kawm(Kev xa tawm {-} Cov ntsiab lus tsim) muaj cov ntawv pov thawj zoo sib xws nrog kev teem sij hawm zoo. Lawv cfe (cov ntawv pov thawj fiber ntau Nkag siab yuav ua li cas ntsuas thiab ua rau cov kev tsis txaus siab no pab ua kom zoo sab hauv vim li cas coherent tau xav kom kov yeej lawv.
Muag khoom -} kev kawm tshwj xeebLos ntawm cov tuam txhab zoo li Ciena, Ancalera, Nokia, thiab Cisco muab cov tsev neeg sib sib zog nqus rau hauv cov khoom lag luam tshwj xeeb. Ciena Welelabic kev cob qhia npog lawv coherent archecture kev nkag siab, suav nrog lawv cov kev tsim kho tshuab thiab cov txheej txheem ua haujlwm. Thaum tau txais cov khoom lag luam {{2 2}}}}}}}}}}}}}}}}}}}}}}} Cov khoos kas qhia cov ntsiab lus kev lag luam uas ua lag luam.
Qhov kev sib tw nrog cov neeg muag khoom kev kawm muaj peev xwm -} Cov khoos kas cov koomhaum cov koom haum cov koom haum es tsis yog tus neeg kawm. Txawm li cas los xij, teb daim ntawv thov cov kws ua ntawv thov ntawm cov tuam txhab no feem ntau nthuav tawm ntawm kev sib tham ntawm kev lag luam (OFC, ECOC), thiab cov kev qhia no feem ntau muaj cov kev qhia kev qhia.
Cov ntawv tseem ceeb thiab cov ntaub ntawv siv
Cov phau ntawv xaiv xaiv muaj ntau vim tias cov phau ntawv Optics zoo sib txawv, qib lej, thiab txiaj ntsig.
"Digital Coherent Optical Systems: Architecture thiab Algorithms"Los ntawm Darli Mello thiab Fabio Barbosa (Springer, 2024 tsab) sawv cev rau cov phau ntawv qhia tam sim no muaj. Cov sau phau ntawv ua raws cov ntaub ntawv cov ntaub ntawv los ntawm cov khoom siv hluav taws xob los ntawm fiber ntau propagation kom tau txais DSP ua. Qhov tseem ceeb, phau ntawv suav nrog Matlab / Octave Functions rau kev siv DSP Carrier theem rov qab, polarization demultInterexing, thiab kev them nyiaj thiab kev faib tawm code.
Kuv pom phau ntawv no muaj txiaj ntsig vim tias nws txuas txoj kev xav thiab kev siv. Tshooj 3 piav txog cov ntaub ntawv xa tawm DSP suav nrog Mem thiab nyquist lim nrog code tiag tiag. TSHOOJ 7 Lub Npog Txais Dsp Algorithms Kauj Ruam {}}}}} Kev Rov Ua Haujlwm, zaus rov ua dua, thiab cov cab kuj rov qab. Tus sau phau ntawv muab ob qho kev ua lej thiab cov ntsiab lus siv uas ua rau muaj kev sib koom ua ke hauv kev xyaum ua kom zoo nkauj fir lim, lossis thaum dig muag sib luag hloov pauv ntawm kev sib koom ua ke thaum nws swb.
"Taw qhia rau Fiber - Kev Sib Txuas Lus Optic"Los ntawm rongqing hui (Elsevier, 2020) siv ib qho kev mus kom zoo dua. Tus xibfwb HUI ntawm Kansas tau sau cov qauv tshwj xeeb rau cov tub ntxhais kawm tiav hauv hluav taws xob engineering, kev ua tiav ntawm kev xav thiab kev coj ua. Tshooj Lus 9 npog cov coherent optical lub tshuab huv si: Kev Sib Koom Tes {{}}}}} }p} fundalsalsS, thiab Kev Ntsuam Xyuas Kev Ntsuas. TSHOOJ 11 Qhov chaw nyob cov qauv kev tawm tswv yim suav nrog QPSK, qab, thiab OFDM variants.
Dab tsi txawv HUI phau ntawv yog nws txoj kev kho ua ntej. Thaum Ntxhes Tshooj Qauv Kho Mob Fiber ntau, Laser kom tau, photodetectors, thiab kho kom zoo nkauj ua ntej tsim kho cov tshuab. Qhov no ua rau nws haum rau ib tug neeg tsis muaj qhov sib sib zog nqus keeb kwm yav dhau- Koj tuaj yeem nyeem nws linearly thiab tsim kev paub zuj zus. Cov teeb meem tawm dag zog zoo - Tsim, txhawb cov tswv yim tsis tas yuav tsum tau tshawb fawb- qib lej.
"Fiber - Kev sib txuas lus hloov tawm"Los ntawm Ghawind P. Agrawal (4th tsab, 2010, wiley) seem tom teb cov qauv siv txawm tias nws muaj hnub nyoog. Afawal kev kho mob ntawm fiber ntau nonlinearities thiab dispersion yog unmatched, muab kev sib haum xeeb nrog kev ua lej sib luag. Tshooj 10 Qhov chaw nyob cov teeb tsa nthuav dav, txawm tias cov kev pab tiv thaiv cov digital coherent kiv puag ncig cov paj ntoo. Use this textbook to master fiber transmission fundamentals and nonlinear effects-knowledge essential for understanding why coherent systems perform as they do.
"Coherent Optical Sib Txuas Lus Tshuab"Los ntawm silvello betti, Giancarlo de Marchis, thiab Eugenio Iannone (Wiley, 1995) muaj keeb kwm keeb kwm. Luam tawm thaum Coherent Optics 'thawj nthwv dej ua ntej Eddm tau ua tiav cov loops thiab zaus / theem kho cov qauv siv niaj hnub tau hloov kho. Nyeem nws qhia yog vim li cas thaum ntxov coherent system ua tsis tau kev lag luam thiab yog vim li cas digital coherent tau txais cov teeb meem uas analog txoj hauv kev tsis tau.
Kev Tshawb Fawb ClassicMuab qhov tob uas cov phau ntawv kawm tsis tuaj yeem sib phim. Kikuro Kikuchi "cov qauv ntsuas ntawm kev sib txuas lus fiber ntau lub fiber ntau" (phau ntawv tshaj tawm cov duab keeb kwm thiab piav txog Digital Coherent tau txais cov ntsiab cai. Nws muab cov kev txwv qov ntau, polarization tuav, thiab DSP algorithms nrog kev ua lej tiav. Qhov no 23 -}}}} qib keeb kwm tab sis rephiped ceev faj kev txwv tsis pub siv cov kev txwv tsis pub siv.
Guifang Li's "Recent advances in coherent optical communication" (Advances in Optics and Photonics, 2009) reviewed the field at a pivotal moment-just as DSP-enabled coherent systems were becoming commercially viable. Txawm hais tias nws lub hnub nyoog li cas, cov ntawv sau tau piav qhia tias yog vim li cas thiaj pom tau cov teeb meem kho qhov muag tshwj xeeb (amplitive thiab theem), ua kom cov hluav taws xob ua tiav thiab tsis muaj peev xwm nrog kev pom kev ncaj qha.
Simulation cov cuab yeej thiab cov tes - ntawm kev kawm
Nkag Siab Sib Koom Tes Kho Optent Opticory txhais tau tias tsawg yam tsis siv thiab simulating cov ntsiab lus. Ntau cov cuab yeej ua kom cov kev sim ua haujlwm.
Matlab thiab Octavedominate rau DSP algorithm kev loj hlob. Mello & Barbosa phau ntawv muab cov matlab code siv cov kab ke tseem ceeb. VPiphotonics thiab Optsim los ntawm Synops muaj kev kho qhov muag kho kho qhov muag, yog cov nqi cai txwv tsis pub muaj kev lag luam thiab chav kawm kev kawm. Cov cuab yeej no qauv ua tiav cov kev txuas nrog Fiber ntau, cov tsis muaj tseeb, thiab lub suab nrov.
OptiSystemLos ntawm Optiwave muab cov kev xaiv tau zoo dua, nrog cov ntawv tso cai kev kawm muaj. Lub software suav nrog cov tsev qiv ntawv sib xyaw ua ke rau kev sib hloov transceivers, khiav mus rau qhov kev ntsuas kev ua haujlwm, thiab kev ntsuas kev ua haujlwm. Thaum tsis tshua muaj txiaj ntsig tshaj VPI, OptisyStsis muaj peev xwm kawm paub npaum li cas txoj kev coherent txoj kev coj cwj pwm ntau yam tsis taus.
Sej -} raws qhp-} qhov cuab yeej sivtau tawm tsis ntev los no. Lub "Lub Cim" lub tsev qiv ntawv muab cov ntawv sib txuas lus, thaum "Scipy" tes taw teeb. Lub tsev muab lub ntsej muag kom sib haum hauv sej los ntawm kos -}}} kev sim ua ntej dhau los ua kev sim ua ntej. Kuv pom zoo cov kev qhia no thaum koj nkag siab txoj kev xav; Kev siv Viterbi & Viterbi Theem uas kwv yees algorithm koj tus kheej qhia meej subtleties tsis muaj kev qhuab qhia tuaj yeem sib txuas.
Kev sim kho vajtsetseem nyuaj tsis muaj chaw nkag teb chaws. Coherent Transceivers nqi ntau txhiab daus las, thiab cov khoom siv ntsuas (cov cim ntsuas hluav taws xob, cov roj ntsha, Opcilloscopes, kho qhov muag tshuaj ntsuam xyuas) nqi ntau dua. Qee cov tsev kawm qib siab muaj cov chaw taws teeb sim nkag} Georgia Tech tsawg dua 4502 chav kawm suav nrog kev sim tshuaj {}} tab sis cov sijhawm no tseem pheej txwv.
Tshawb nrhiav cov ntaub ntawv thiab nyob twj ywm tam sim no
Coherent optical sib txuas lus kom sai. Dab tsi txiav -}}}}}}} thaum 2025. Nyob twj ywm tam sim no yuav tsum tau siv nrog cov ntawv tshawb fawb.
TSEEM CONLFERCESLuam tawm cov kev tsim kho tshiab tshiab lossis xyoo ua ntej cov ntawv sau phau ntawv sau ntawv. Lub rooj sib tham txog kho qhov muag fiber ntau (OFC), muaj kev sib tham ib xyoos, thiab European sab sib tham txog kev tshawb sib txuas lus kho qhov tshiab (ecoc) hauv lub Cuaj Hli qhia kev tshawb fawb thiab cov khoom lag luam tshiab. OFC 2024 Featured cov lus nthuav qhia ntawm 140- gu mbaud yooj yim transceivers transceivers optics-technologies uas yuav ua thawj 2025-2026 cov khoom xa tuaj. Cov Kev Sib Tham Txog Kev Sib Tham nkag mus tau los ntawm IEEE XPRore thiab Optica cov chav qiv ntawv digital, txawm tias feem ntau qab them nyiaj.
Thawj TswjhwmSau phau ntawv Journal of MetSwave Technology (IEEE), Optica Express (Optica), thiab IEEE Photocics cov tsiaj ntawv tshuab. JLT tshaj tawm cov ntsiab lus tshawb fawb tshaj plaws, feem ntau 10-20 nplooj ntawv nthuav dav ua tiav cov kab ke lossis algorithms nrog kev tsom xam tag nrho. Optics Express muab cov khoom lag luam dav dav dav dav, suav nrog kev sim ua qauv thiab cov cim kev cim. Photonics tshuab cov tsiaj ntawv muaj luv dua, cov ntaub ntawv tsom mus rau cov kev nce qib tshwj xeeb.
Kev tshawb nrhiav cov ntawv nyeem tau zoo yuav tsum muaj lub tswv yim. Pib saib cov ntawv uas tshawb fawb lub ntsiab lus nkag siab-} cov} Cov no yog koj mus rau hauv toj roob hauv pes. Thaum nyeem cov ntaub ntawv ib tus neeg, ua kom pom tseeb ua ntej ntawm kev paub txog, cov duab, thiab cov lus xaus rau txiav txim siab qhov tseeb. Cov lus qhia feem ntau muab cov ntsiab lus teb thiab kev txhawb zog. Cov ncauj lus kom ntxaws ua lej thiab cov simulation ntu tsim nyog tau tom qab nkag siab txog daim ntawv tseem ceeb.
Rau cov kws tshawb nrhiav ua haujlwm ntawm Coerent kev sib txuas lus hauv 2024-2025, cov pab pawg nquag muaj xws li:
University of Tokyo (Kikuchi cov pab pawg ua haujlwm ntawm DSP siab thiab tshuab kev kawm)
NCICK JAPON (Pom Pol36 TB / S Systems Siv Multicore Fibers thiab Cov Khoom Siv Kho Dua Tshiab
University of Electronic Science thiab Technology ntawm Tuam Tshoj (Kerr Soliton Microcombs rau Coherent Kev Sib Txuas Lus)
Lyricsecnico di Torino (DSP Rau Yooj Yim Optical Networks)
Tsev Kawm Ntawv ntawm Campinas (Coherent tau txais Algorithms thiab Kev Ntsuam Xyuas Kev Ntsuas)
Cov kws tshawb nrhiav hauv qab no los ntawm cov pab pawg no ntawm google cov lus qhia kev pab qhia kev npaj tawm kev tsim kho.
Cov zej zog thiab kev txawj tes hauj lwm
Kev Kawm Kom Txhim Kho Opticics Cov txiaj ntsig tau loj hlob los ntawm kev sib koom tes zej zog. Cov teb muaj cov kev ua haujlwm tshaj lij uas cov kws tshaj lij sib qhia.
Ieee Photonics haiv neegthiabOptica(Yav tas los OSA) Cov rooj sib tham txog cov tswv yim, webinars, thiab tshooj hauv zos thoob ntiaj teb. Optica lub webinars nquag chaw nyob conherent opticial {}} Cov kev sib tham no muab cov kev xav tam sim no los ntawm cov kws tshawb nrhiav ua thawj, feem ntau nrog Q & ib lub sijhawm.
LinkedI pab pawgZoo li "kev sib txuas lus kev sib txuas lus ntawm kev sib txuas lus" thiab "cov kev sib tham muaj fiber ntau" Thaum lub cim - - Cov Zov Cov Lus Sib Txawv Hais Txog Cov Ntawv Qhia Txog Kev Kawm uas Kev Kawm Ntawv Kev Kawm Ntawv Tsis Txaus.
Kev Tshawb Nrhiav Rooj SaibthiabIEE CivrratecMuab cov ntaub ntawv ncaj qha nrog cov ntawv sau. Coob tus kws tshawb nrhiav teb cov lus nug uas txawj xav txog lawv cov haujlwm, muab cov lus piav qhia tsis raws cai uas tsis raws kev sib tham.
Koj txoj kev kawm kev kawm: Cov lus pom zoo tswv yim
Ntawm no yog yuav teeb tsa koj txoj kev sib txuas lus kho qhov muag kev sib txuas lus raws cov ntsiab lus sib txawv thiab cov hom phiaj pib.
Yog tias koj ua tiav pib (tsis muaj kev sib txuas lus keeb kwm yav dhau los):
Lub Hlis 1-3: Kev tsim lub hauv paus
Kawm txog kev sib tw siv hluav taws xob thiab siv hluav taws xob siv kho qhov muag siv istawal phau ntawv nyeem 1-4
Ua kom tiav cov chaw ua haujlwm online hauv kev tsom xam ntawm plaub thiab cov kab xev tawm (DSP yuav tsum tau ua ntej)
Kawm Kev Sib Txuas Lus Yooj Yim: Kev Tshawb Nrhiav, Nrhiav tau, Suab nrov (ib phau ntawv qhia kev sib txuas lus)
Lub Hlis 4-6: Tsim Kev Tsim Kho Optensent Optics
Noj iit Kanpur's NPTEL Kev Sib Txuas Lus
Nyeem rongqing hui phau ntawv phau ntawv teev rau ntawm Coherent Systems
Ua raws li DSP algorithms hauv Matlab / Python (pib nrog yooj yim rov qab)
Lub hlis 7-12: qhov tob thiab tshwj xeeb
Nyeem Kikuchi xyoo 2016 tshuaj xyuas daim ntawv ntau zaus, ua haujlwm los ntawm kev ua lej
Ua raws li cov ntaub ntawv tshawb nrhiav ntawm cov ncauj lus ntawm kev txaus siab
Yog tias ua tau, nqa OT cov ntawv pov thawj ua ke rau kev ua lag luam
Yog tias koj muaj kev sib txuas lus rov qab tab sis tsis yog coherent system:
Lub hlis 1-2: Lub hauv paus nrawm nrawm
Nyeem Kikuchi Cov Qauv Ntawv thiab Cov Ntawv Saib Xyuas Li
Kawm Digital Coherent tau txais kev lag luam hauv Mello & Barbosa Phau Ntawv
Hli 3-4: kev siv tsom
Ua haujlwm los ntawm DSP Algorithm Kev Siv (Mello Matlab code)
Simulate tag nrho cov tshuab siv muaj cov cuab yeej
Lub Hlis 5-6: Txuj Ci Kev Lag Luam
Siv cov ntawv pov thawj OTt yog muaj
Kawm cov ntaub ntawv cov ntaub ntawv (Ciena WAVELOGIC, Infinera IK6)
Nyeem OFC / ECOC PAPERS rau ntawm cov khoom tam sim no
Yog tias koj yog tus kws txawj paub tab paub nrhiav cov kev paub tshwj xeeb:
Lub hom phiaj tshwj xeeb ntawm kev sib xyaw ua ke:
Tsom cov phau ntawv nyeem cov tshooj rau kev tshawb nrhiav
Tshawb nrhiav cov ntaub ntawv rau txiav - ntug cov ncauj lus (Quantum Coherent Systems, Tshuab Cov Kev Siv Tshuab, Sib Tham Xov Xwm)
Kev Lag Luam Kev Lag Luam rau Kev Xa Khoom
Kev sib txuas lus ncaj qha nrog cov khoom siv rau khoom siv yog koj ntsuas cov khoom lag luam
Qhov Tseeb Txog Kev Kawm Txog Kev Kawm Optent
Nov yog muaj li cas 18 lub hlis ntawm kev kawm txog kev kawm kho qhov muag kho qhov muag tau qhia kuv: mastery yuav tsum tsis txhob muaj peev xwm tsis xis nyob. Koj tuaj yeem nkag siab cov ntsiab lus - Dab tsi yog nrhiav kom paub qhov tseeb, yuav ua li cas theem rov qab ua haujlwm} hauv tej zaum. Kev tsim kho qhov tob rau kev tsim kho tiag, Debug kev siv, lossis ua ntej lub teb yuav tsum tau ze rau 12-24 lub hlis.
Qhov no tsis yog ib daim teb uas koj tuaj yeem kawm los ntawm ib hnub so Udemy chav kawm lossis YouTube playlist, tab sis yog ob qho tib si muaj lawv qhov chaw. Cov lej ua lej yog qhov nyuaj tsis txaus ntseeg- Stochictic teeb liab tsom xam cov cim kos, matso ua cov qauv mimo, cov tshuab lim digital. Cov physics muaj tob- Quantum suab nrov, tsis muaj qhov muag kho kho qhov muag, polarization sib hloov hauv fiber ntau. Lub engineering xav txog kev txiav txim siab {{5} Xaiv cov ntawv sau tsim nyog, faib nyiaj tawm tsam ntawm Latency tawm tsam qhov tob sib luag.
Tab sis ntawm no yog qhov paradox: txawm hais tias qhov nyuaj no, sib txuas kho kho qhov muag tsis tau muaj dua. Nees nkaum xyoo dhau los, koj xav tau ib hom phd program thiab lab nkag. Niaj hnub no, cov phau ntawv qhia muaj. Cov chav kawm online ntawm cov ua tsev kawm qib siab yog pub dawb. Simulation cov cuab yeej khiav ntawm lub laptops. Cov ntaub ntawv tshawb fawb feem ntau qhib - access. Zej Zog Kev Sib Txuas Txuas Txuas Cov Kawm Thoob Ntiaj Teb.
Cov peev txheej muaj nyob. Kev ua siab ntev yog qhov ua siab ntev los tsim kev paub txog kev ua haujlwm, txaus siab los tawm tsam nrog ua lej kom txog thaum kev sim siab thiab kev sim kom txog thaum lub ntsiab lus solfify. Yog tias koj tuaj yeem ua lub sijhawm ntawd thiab kev rau siab, sib txuas ntawm kev sib txuas lus kho tshiab ntawm lub plawv ntawm lub plawv ntawm kev hloov pauv hauv ntiaj teb, muaj ntau yam tsis muaj teeb meem thiab cov cib fim rau kev koom tes.
Cov Lus Nquag Nug
Kuv yuav tsum tau ua li cas ua ntej kev kawm ua ntej kev kawm txog kev sib txuas lus kho dua tshiab?
Peb qhov teeb meem: theem yooj yim Electromagnetic Theory (Maxerell cov kev sib npaug, kev tshaj tawm cov ntxeem tau), kuaj cov qauv (kev kuaj pom (kev kuaj pom, suab nrov). Koj tsis tas yuav mastery - cov khoom undergraduate kis cov khoom muaj peev xwm kis tau zoo} tab sis cov khoob hauv cov chaw no yuav qeeb koj. Yog tias koj tau coj cov chav kawm hauv cov ncauj lus no txawm tias xyoo dhau los, rov ua cov ncauj lus tshwj xeeb uas xav ua haujlwm zoo.
Ntev npaum li cas nws siv los ua kev tshaj lij nyob rau hauv kev sib txuas lus kho tshiab?
Nyob ntawm koj lub ntsiab txhais ntawm "kev paub txaus." Nkag siab cov ntsiab cai zoo txaus los ua raws li kev kawm txuj ci: 2 - 3 hlis ntawm kev kawm ib nrab sijhawm. Kev siv DSP algorithms los yog tsim cov tshuab: 6-9 lub hlis. Ua kev tshawb fawb lossis ua haujlwm nyuaj: 12-24 lub hlis ntawm cov haujlwm mob siab. Cov sij hawm no tsim nyog yuav tau ua dua tshiab thiab kev siv zog.
Kuv puas tuaj yeem kawm coherent optics tsis muaj kev nkag mus rau cov cuab yeej simulation lossis cov khoom siv lab?
Yog lawm. Matlab lossis sej ntxiv qhib -} Qhov chaw nyeem ntawv pab tau DSP algorithm kev loj hlob thiab kev yooj yim txheej txheem kev sim. Koj yuav tsis rov qab siv cov neeg ua lag luam muaj kev lag luam tag nrho, tab sis koj yuav kawm cov ntsiab lus tseem ceeb. Rau cov khoom siv kho vajtse, YouTube cov yeeb yaj duab pom cov ntsuas kev ntsuas thiab cov neeg muag khoom cov vev xaib muab kev sib txawv. Kev siv dag zog dag lub cev pab tab sis tsis yog yuav tsum ua rau lub tswv yim kev paub lub tswv yim.
Kuv yuav tsum pib phau ntawv twg?
Yog tias koj tom qab yog hluav taws xob engineering nrog qee qhov sib txuas lus, pib nrog fiber {{- nws muaj suab nrov thiab pedagogically. Yog tias koj twb nkag siab txog kev sib txuas lus kho kom haum thiab siv Mello & Barbosa "Digital Coherent Optical Systems" {} nws tam sim no thiab suav nrog code. Rau cov ntsuas hluav taws xob ntsuas hluav taws xob, ARGAWAL cov classic tseem tsis tau ua.
Puas muaj cov lus youtube paj lossis vis dis aus rau kev sib txuam optic?
Iit kanpur lub ntsiab lus nptel ntawm kev sib txuas lus kho qhov muag (los ntawm Dr. Pradeep Kumar) yog qhov zoo tshaj plaws thiab muaj kev ywj pheej nyob hauv YouTube. Saib rau lub rooj sib tham thiab kev qhia ntawm OFC thiab ecoc-} ntau yog upload los ntawm cov neeg siv tswv yim. Cov neeg muag khoom (ciena, Infintera, Cisco) npaus technical Webinars. Txawm li cas los xij, cov kev tawm tsam video nyob tsis muaj txhij txhua dua cov phau ntawv thiab cov ntawv rau cov teb tshwj xeeb no.
Tseem ceeb npaum li cas yog txhais tau tias yog txhais tau tias -} ntawm kev sim ua piv rau txoj kev kawm ua theoretical?
Theoretical kev nkag siab ua rau koj ua haujlwm nrog cov ntsiab lus, txheeb xyuas cov tshuab, thiab ntsuas cov qauv tsim. Kev kuaj sim cov kev xav txog dab tsi tiag tiag tiag li cas nyob rau hauv kev tsis txaus ntseeg, li cas cov kev tsis txaus ntseeg, seb cov kev tiv thaiv dab tsi hauv lub tshuab tiag tiag. Ob qho xwm txheej, tab sis yog tias yuam kom xaiv, ua ntej kev tshawb xav thaum pib. Koj tuaj yeem kawm cov tswv yim hauv qab los ntawm kev lag luam kev lag luam lossis cov chav kawm ib txwm muaj.
Kuv yuav tsum kawm cov lus twg rau kev sib koom tes rau kev siv Openent Optics DSP?
Matlab Dominates hauv kev tshawb fawb thiab kev kawm vim tias tshwj xeeb cov cuab yeej piv txwv teeb meem ua. Nab hab sej yog cov muaj ntau zuj zus, tshwj xeeb tshaj yog rau kev siv lub tshuab kev thov hauv kev sib txuas lus kho mob. C / C {{++ teeb meem rau kev siv algorithms ntawm DSPS lossis FPGAs hauv cov khoom tiag tiag. Pib nrog qhov twg koj paub zoo tshaj - cov ntsiab lus hloov tau yooj yim ntawm cov lus.
Nws puas tsim nyog tau txais kev lag luam ntawv pov thawj xws li OTT's lub khob hliav qab?
Yog tias koj ua haujlwm nyob rau hauv kev ua lag luam kho qhov muag lossis aspiring rau, yog {{}} Cov ntawv pov thawj muab cov kev kawm paub ntau yam tsis muaj. Lawv tau kim (ntau txhiab daus las ib txwm) tab sis zom kom muaj kev kawm tau zoo. Yog tias koj ua raws kev tshawb fawb lossis twb tsim kev tshaj lij, lawv tsis tshua tseem ceeb. Koj tus tswv ntiav haujlwm yuav ua pov thawj ua pov thawj ua kev txhim kho kev ua haujlwm.
Tseem Ceeb Takaways
Kev Kawm Cocherent Optical Sib Txuas Lus yuav tsum tau txais kev sib txuas lus thoob plaws kev kawm, kev lag luam, thiab cov kev tshawb fawb. Kev vam meej yog nyob ntawm kev txuam nrog koj txoj kev kawm mus rau koj cov kev kawm thiab cov hom phiaj kev lag luam rau kev tsim qauv, kev tshawb nrhiav rau txiav- ntug tsim tawm. Lub hauv paus xav tau mastering peb ua ntej cov khoom yuav tsum tau ua: electromagnetic kev tshawb xav, thiab kev sib txuas lus digital. Cov ntaub ntawv tseem ceeb muaj xws li cov txheej txheem kev kawm los ntawm cov kev kawm, cov phau duab Cov zej zog tshaj lij los ntawm IEEE thiab Optica muab kev kawm txuas mus ntxiv. Lub teb xav tau peev tseem ceeb peev {}}}}}}}}}}}}}}}}}}}}. Qhov tseem ceeb yog pib nrog lub hauv paus ruaj khov, kev paub txog kev tsim tsev, thiab ua cov tswv yim xyaum los ntawm cov lej thiab kev sim.
Cov Ntaub Ntawv Teev
Kikuchi, K. "Cov Qauv Kho Mob Fiberual Fiber
Li, kev nce qib tsis ntev los no hauv kev sib txuas lus kho qhov muag, "kev tawm tsam hauv Optics thiab Phoonics, 2009 (opg.optica.org)
IIT KANPUR NPTEL Kev Sib Tham Txog Kev Sib Tham, 2021-2024 (Onlinecourses.mptel.ac.in)
FiberMall Blog, "Dab tsi yog kev sib txuas lus kho qhov muag?", Lub Yim Hli 2025 (FiberMall.com)
Lub koom haum National of cov ntaub ntawv thiab kev sib txuas lus thev naus laus zis, 336 TB / S Coherent Optical fiber ntau txheej txheem, Lub Kaum Hli 2024 (Techxplore.com)
Optical Technology Cob Qhia Kev Qhia, Lub Ob Hlis 2024 (Kho Qhov Muag- Network- Daim Ntawv Pov Thawj.Poverbuide.net)
Springer, "Digital Coherent Optical Systems: Architecture thiab Algorithms" los ntawm Mello & Barbosa, 2024 (txuas.Springer.com)