Arrayed waveguide grating (AWG) yog ua raws li lub hauv paus ntsiab lus kho qhov muag ntawm cov kab sib cuam tshuam ntawm cov sib txawv ntawm lub teeb yoj sib txawv, uas txhais tau tias yog tias txhua channel siv lub teeb nrog microwave sib txawv ntev, ntau qhov chaw ntawm lub teeb tuaj yeem nqa los ntawm ib tus tib fiber, thiab muaj tsuas yog tsis pom zoo teeb liab liab. Arrayed waveguide grating (AWG) tuaj yeem sib txuas ntawm lub teeb ci ntawm ntau cov channel mus rau ib qho fiber ntau ntawm qhov xa cov khoom kawg, thiab cais lub teeb rov rau qhov kawg txais.
Nta
Tsawg Tsis Poob Ntxig
Tsim silica-on-silicon
Tsawg PDL
Tsawg chromatic dispersion
Telcordia GR-1221-CORE tsim nyog
Cov ntawv thov
DWDM kis
Wavelength Kev Ua
Optical ntxiv / poob multiplexing
Arrayed waveguide grating (AWG) yog cov thev naus laus zis zoo tshaj plaws hauv kev nthuav dav nthwv dej wavelength faib multiplexing (DWDM) network. AWG muaj cov yam ntxwv ntawm kev lim thiab ntau txoj haujlwm. Nws tuaj yeem muab qhov ntau thiab tsawg ntawm wavelengths thiab channels, thiab paub cov multiplexing thiab demultiplexing ntawm kaum rau ntau pua wavelengths. Los ntawm kev siv matrix daim ntawv ntawm n × n, n cov cim kho qhov muag sib txawv tuaj yeem sib kis ntawm n wavelengths tib lub sijhawm, thiab cov cuab yeej ua haujlwm ntau thiab cov qauv tau tsim tau yooj ywm nrog lwm cov khoom siv kho qhov muag. Ntxiv rau, AWG tseem muaj qhov siab ruaj khov thiab ua haujlwm zoo, uas tsim nyog rau DWDM tshuab nrog kev kub ceev thiab muaj peev xwm loj. AWG ntaus ntawv yog planar waveguide ntaus ntawv raws li kev siv tshuab kho qhov muag. Nws muaj cov peev xwm zoo ntawm planar waveguide thev naus laus zis. Nws yog tsim rau huab hwm coj ntau lawm nrog kev rov ua dua zoo, qhov loj me me, qhov tsis sib xws ntawm cov ntxig tsis txaus, zoo thermal ruaj khov tom qab ntsuas kub, thiab tuaj yeem ua ke nrog cov khoom siv nquag los tsim optoelectronic integrated Circuit (OEIC). Nws yog lub thev naus laus zis thev naus laus zis ntawm kev sib txuas lus kho qhov muag yav tom ntej.
Tus txheej txheem AWG muaj tsib ntu:input waveguide, input lub hnub qub coupler, array waveguide, tso zis hnub qub txuas ntxiv thiab cov khoom tawm waveguide.
Lub hauv paus ntsiab lus ntawm arrayed waveguide grating yog: tom qab lub teeb liab multiplexed nrog ntau wavelengths yog cov txiaj ntsig los ntawm waveguide ntawm central input channel, nws diffracts nyob rau hauv lub tswv yim phaj waveguide, mus txog cov tswv yim concave grating rau kev faib tawm hluav taws xob, thiab cov khub niam txiv mus rau hauv thaj chaw waveguide Cov. Vim tias lub ntsej muag kawg ntawm cov arrayed waveguide muaj nyob ntawm qhov ncig ntawm lub voj voos grating, lub teeb tsis sib luag ncav cuag lub ntsej muag kawg ntawm cov arrayed waveguide nrog tib theem. Tom qab kev sib kis los ntawm cov khoom siv sib xyaw waveguide, vim tias qhov sib txuas ntawm sab nraud sib xyaw waveguides zoo tib yam ntev sib txawv Δ L, cov khoom tso tawm lub teeb ntawm qee qhov ntev nthwv dej ntawm cov khoom sib txuas waveguides ntawm cov zis concave grating muaj tib theem sib txawv. Rau lub teeb ntawm wavelengths sib txawv, cov theem sib txawv yog txawv, yog li lub teeb ntawm qhov sib txawv wavelengths sib txawv hauv cov phiaj xwm tawm tswv yim waveguide thiab tsom mus rau qhov sib txawv waveguide txoj haujlwm ntawm cov zis channel Tom qab tsim tawm ntawm cov channel waveguide, qhov taw qhia wavelength lossis demultiplexing muaj nuj nqi yog ua tiav. Cov txheej txheem thim rov qab ntawm cov txheej txheem no, uas yog, yog tias lub teeb liab lub teeb liab yog kev tawm tswv yim thim rov qab, qhov kev ua haujlwm multiplexing tiav, thiab lub hauv paus ntsiab lus zoo ib yam.
Cov Lus Qhia Tshwj Xeeb
parameter Tus naj npawb ntawm cov channel | Cov Lus Qhia Tshwj Xeeb | |
Min | Max | |
Channel sib nrug | 40 | |
Lub hauv ntej yoj yoj | 100 GHz | |
Passband zaus | C -band nm | |
Wavelength raug | 0.1 nm | |
0.5 dB bandwidth | 0.05 nm | |
1 dB bandwidth | 0.2 nm | |
3 dB bandwidth | 0.4 nm | |
20 dB bandwidth | 0.6 nm | |
Tso tsis tau | 1.2 nm | |
Kev rho tawm ntawm cov kwj uas nyob ib sab | 6 dB | |
Kev rho tawm ntawm cov chaw tsis sib txuas | 25 dB | |
Tag nrho cov chaw hla | 30 dB | |
Tso tsis tau zoo sib xws | 22 dB | |
Flatness ntawm tso ntxig poob | 1.2 dB | |
Rov poob | 0,5 dB | |
Kev ruaj ntseg tsis dhau txoj cai | 40 dB | |
Polarization hom dispersion | 0,5 dB | |
Tshaj siab nqa lub zog kho qhov muag | 0.5 ps | |
Optical zog xyuas ntau yam | 24 dBm | |
parameter | -35 dBm | +23 dBm |
Ib puag ncig cov mobs
Cov tsis | Sau ntawv | Cov Lus Qhia Tshwj Xeeb | Chav Nyob | ||
Min | Ntaus | Max | |||
Kev khiav hauj lwm kub | -5 | +65 | °C | ||
Cia Khoom Kub | -40 | +85 | °C | ||
Tus Txheeb Ze Xaj | 0 | 90 | % | ||
Cov ntaub ntawv xaj
AWG | X | XX | X | XXX | X | X | X | XX |
Qhab | Tus naj npawb ntawm Raws | Ntxov | 1 Channel | Lim Duab | Pob | Fiber ntau ntev | Hauv / Tawm Txuas Txuas | |
C=C-Band L=L-Band D=C + L-Band X=Tshwj Xeeb | 16=16-CH 32=32-CH 40=40-CH 48=48-CH XX=Tshwj Xeeb | 1=100G 2=200G 5=50G X=Tshwj Xeeb | C60=C60 H59=H59 C59=C59 H58=H58 XXX=tshwj xeeb | G=Gaussian B=Dav Gaussiar F=Pav Saum Toj | M=Qauv R=Khib X=Tshwj Xeeb | 1=0.5m 2=1m 3=1.5m 4=2m 5=2.5m 6=3m S=Qhia kom meej | 0=Tsis muaj 1=FC / APC 2=FC / PC 3=SC / APC 4=SC / PC 5=LC / APC 6=LC / PC 7=ST / UPC S=Qhia kom meej |
Cov kev siv tseem ceeb
(1) Wavelength routing: thaum lub teeb liab hluav taws xob kis los ntawm lub node ntawm lub network, txoj kev raug xaiv raws nws txoj kev nthwv dej, tsis muaj photoelectric hloov dua siab tshiab. Lub nthwv xob txiav txim siab txoj hauv kev ntawm lub teeb liab kis tau tus mob, paub tseeb txog kev siv wavelength thiab txhim kho kev siv wavelength.
(2) Led spectrum division multi wavelength teeb pom kev: siv cov khoom sib xyaw waveguide grating (AWG) rau ntu ntu qhov dav ntawm lub teeb pom kev ntawm LED, tus nqi qis rau ntau lub teeb yoj lub teeb tuaj yeem tau txais rau WDM-PON (wavelength faib multiplexing passive optical network)
(3) Optical ntxiv / tso multiplexer: ntawm ntawm qhov pom ntawm lub teeb liab network, feem ntau nws yuav tsum tau" faib" ib feem ntawm cov teeb liab khiav tawm ntawm, lossis" ntsaws" qee cov teeb liab ntws mus rau hauv cov xa xov xaib. Hom khoom no uas tuaj yeem sib cais thiab ntxig lub teeb liab hu ua" kho qhov muag ntxiv poob poob multiplexer" ;.
(4) Optical cross interconnection: cov cuab yeej kho qhov muag hla kev sib txuas lus yog siv los ua kom tiav cov khoom sib txuas ntawm cov ntau lub nplhaib sib tshooj. Raws li cov node ntawm kab hluav taws xob kho qhov muag network, lub hom phiaj yog kom paub cov kev hloov kho tsis siv neeg, kev tiv thaiv, rov ua dua thiab rov tsim kho cov duab hluav taws xob network.
(5) Txhua qhov khoos phis tawm xaib: hauv txhua lub khoos phib tawj tau kho qhov muag thiab txhua qhov kev sib txuas lus sib kis, OXC thiab OADM ua lub luag haujlwm ntawm cov ntaub ntawv xa xov thiab sib txuas.
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