I-modulator ye-MZM eQinisekisiweyo kakhulu ye-Ultra High Precision Umlawuli we-Bias Umlawuli we-Automatic Bias
Uphawu
• Ulawulo lwe-voltage ye-Bias kwi-Peak/Null/Q+/Q−
• Ulawulo lwe-voltage olukhethayo kwindawo engaqhelekanga
• Ulawulo oluchanekileyo kakhulu: Umlinganiselo wokuphela kombane we-50dB kwi-Null mode;
Ukuchaneka kwe-±0.5◦ kwiindlela ze-Q+ kunye ne-Q−
• Ubungakanani obuphantsi be-diter:
0.1% Vπ kwimo ye-NULL kunye nemo ye-PEAK
I-2% Vπ kwimo ye-Q+ kunye nemo ye-Q−
• Uzinzo oluphezulu: ngokusetyenziswa kwedijithali ngokupheleleyo
• Iprofayili ephantsi: 40mm(W) × 30mm(D) × 10mm(H)
• Kulula ukuyisebenzisa: Ukusebenza ngesandla nge-mini jumper;
Imisebenzi ye-OEM eguquguqukayo nge-MCU UART2
• Iindlela ezimbini ezahlukeneyo zokubonelela nge-voltage ye-bias: a. Ulawulo lwe-bias oluzenzekelayo
b. I-voltage ye-bias echazwe ngumsebenzisi
Isicelo
• I-LiNbO3 kunye nezinye ii-modulators ze-MZ
• I-NRZ yedijithali, RZ
• Usetyenziso lwe-pulse
• Inkqubo yokusasaza iBrillouin kunye nezinye izinzwa ze-optical
• Umthumeli weCATV
Ukusebenza
Umfanekiso 1. Uxinzelelo lweCarrier
Umfanekiso 2. Ukuveliswa kwePulse
Umfanekiso 3. Amandla aphezulu eModulator
Umfanekiso 4. Amandla amancinci eModulator
Umlinganiselo wokuphela kweMaxim DC
Kolu vavanyo, akukho zimpawu zeRF ezisetyenzisiweyo kwinkqubo. I-Pure DC extinciton ilinganisiwe.
1. Umfanekiso 5 ubonisa amandla okukhanya emveliso ye-modulator, xa i-modulator ilawulwa kwindawo ye-Peak. Ubonisa i-3.71dBm kumzobo.
2. Umfanekiso 6 ubonisa amandla okukhanya emveliso ye-modulator, xa i-modulator ilawulwa kwi-Null point. Ibonisa -46.73dBm kumzobo. Kwilingo lokwenyani, ixabiso liyahluka malunga ne -47dBm; kwaye -46.73 lixabiso elizinzileyo.
3. Ke ngoko, umlinganiselo wokuphela kwe-DC ozinzileyo olinganisiweyo yi-50.4dB.
Iimfuneko zomlinganiselo ophezulu wokuphela kwezilwanyana
1. I-system modulator kufuneka ibe nomlinganiselo ophezulu wokuphela kwezinto. Uphawu lwe-system modulator lugqiba ekubeni umlinganiselo ophezulu wokuphela kwezinto unokufikelelwa.
2. Ukuphola kwesibane sokufaka i-modulator kufuneka kujongwe. Ii-modulators ziyayiva i-polarization. Ukuphola okufanelekileyo kunokuphucula umlinganiselo wokuphela kwe-extinction ngaphezu kwe-10dB. Kwizilingo zelebhu, ngokuqhelekileyo kufuneka isilawuli se-polarization.
3. Abalawuli be-bias abafanelekileyo. Kuvavanyo lwethu lwe-DC extinction ratio, i-50.4dB extinction ratio ifikelelwe. Ngelixa i-datasheet yomenzi we-modulator idwelisa i-40dB kuphela. Isizathu solu phuculo kukuba ezinye ii-modulators zihamba ngokukhawuleza kakhulu. Abalawuli be-bias be-Rofea R-BC-ANY bahlaziya i-voltage ye-bias rhoqo emva kwemizuzwana e-1 ukuqinisekisa impendulo ekhawulezayo.
Iinkcukacha
| Ipharamitha | Ubuncinci | Uhlobo | Ubuninzi | Iyunithi | Iimeko |
| Ulawulo Lokusebenza | |||||
| Umlinganiselo wokuphela | I-MER 1 | 50 | dB | ||
| I-CSO2 | −55 | −65 | −70 | i-dBc | Ubungakanani beDither: 2%Vπ |
| Ixesha lokuzinzisa | 4 | s | Amanqaku okulandelela: Null kunye nePeak | ||
| 10 | Amanqaku okulandelela: Imibuzo+ kunye neMibuzo- | ||||
| Zombane | |||||
| I-voltage yamandla elungileyo | +14.5 | +15 | +15.5 | V | |
| Amandla akhoyo asebenzayo | 20 | 30 | mA | ||
| I-voltage yamandla engalunganga | -15.5 | -15 | -14.5 | V | |
| Amandla angalunganga angoku | 2 | 4 | mA | ||
| Uluhlu lwevolthi yemveliso | -9.57 | +9.85 | V | ||
| Ukuchaneka kwevolthi yokukhupha | 346 | µV | |||
| I-Dither frequency | 999.95 | 1000 | 1000.05 | Hz | Inguqulelo: Isignali ye-dither ye-1kHz |
| Ubungakanani beDither | 0.1%Vπ | V | Amanqaku okulandelela: Null kunye nePeak | ||
| 2%Vπ | Amanqaku okulandelela: Imibuzo+ kunye neMibuzo- | ||||
| I-Optical | |||||
| Amandla okufaka optical3 | -30 | -5 | i-dBm | ||
| I-wavelength yokufaka | 780 | 2000 | nm | ||
1. I-MER ibhekisa kwiModulator Extinction Ratio. Umlinganiselo wokuphela ofunyenweyo udla ngokuba ngumlinganiselo wokuphela kwemodulator ochazwe kwiphepha ledatha lemodulator.
2. I-CSO ibhekisa kulandelelwano lwesibini oluhlanganisiweyo. Ukulinganisa i-CSO ngokuchanekileyo, umgangatho othe ngqo wesignali ye-RF, ii-modulators kunye nee-receivers kufuneka uqinisekiswe. Ukongeza, ukufundwa kwe-CSO yenkqubo kunokwahluka xa kusebenza kwiifrequensi ezahlukeneyo ze-RF.
3. Nceda uqaphele ukuba amandla okufaka e-optical awahambelani namandla okukhanya kwindawo ekhethiweyo ye-bias. Ibhekisa kumandla okukhanya aphezulu anokuthunyelwa yi-modulator kwi-controller xa i-bias voltage isuka kwi-−Vπ ukuya kwi-+Vπ.
Indawo yomsebenzisi
Umfanekiso 5. Indibano
| Iqela | Umsebenzi | Ingcaciso |
| I-Photodiode 1 | PD: Qhagamshela iCathode ye-photodiode ye-MZM | Nika impendulo ye-photocurrent |
| I-GND: Qhagamshela i-Anode ye-photodiode ye-MZM | ||
| Amandla | Umthombo wamandla wesilawuli se-bias | I-V-: idibanisa i-electrode engalunganga |
| V+: idibanisa i-electrode elungileyo | ||
| Iprobe ephakathi: idibanisa i-electrode yomhlaba | ||
| Cwangcisa kwakhona | Faka ijela uze uyikhuphe emva komzuzwana omnye | Seta kwakhona isilawuli |
| Ukukhetha iModi | Faka okanye utsale ijumper | akukho jumper: Imo ye-null; enejumper: Imo ye-quad |
| I-Polar Select2 | Faka okanye utsale ijumper | akukho jumper: Polar Elungileyo; enejumper: Polar Engalunganga |
| I-Bias Voltage | Qhagamshela kwi-MZM bias voltage port | I-OUT kunye ne-GND zibonelela nge-bias voltages kwi-modulator |
| I-LED | Ihlala ivuliwe | Ukusebenza phantsi kwemeko ezinzileyo |
| Ivuliwe okanye icinyiwe rhoqo emva kwemizuzwana eyi-0.2 | Ukucubungula idatha nokukhangela indawo yokulawula | |
| Ivuliwe okanye icinyiwe rhoqo emva kwemizuzwana eyi-1 | Amandla okufaka optical abuthathaka kakhulu | |
| Ivuliwe okanye icinyiwe rhoqo emva kwemizuzwana emi-3 | Amandla okufaka optical anamandla kakhulu | |
| I-UART | Sebenzisa isilawuli nge-UART | 3.3: I-voltage yesalathiso se-3.3V |
| I-GND: Emhlabeni | ||
| I-RX: Ukwamkelwa kwesilawuli | ||
| TX: Ukuhanjiswa komlawuli | ||
| Ukukhetha ulawulo | Faka okanye utsale ijumper | akukho jumper: ulawulo lwejumper; kunye nejumper: ulawulo lwe-UART |
1. Ezinye ii-modulators ze-MZ zine-photodiode zangaphakathi. Ukuseta isilawuli kufuneka kukhethwe phakathi kokusebenzisa i-photodiode yomlawuli okanye ukusebenzisa i-photodiode yangaphakathi ye-modulator. Kucetyiswa ukusebenzisa i-photodiode yomlawuli kwizilingo zeLab ngezizathu ezibini. Okokuqala, i-photodiode yomlawuli iqinisekisile umgangatho. Okwesibini, kulula ukulungisa intsingiselo yokukhanya kokufaka. Qaphela: Ukuba usebenzisa i-photodiode yangaphakathi ye-modulator, nceda uqinisekise ukuba umsinga wokuphuma kwe-photodiode uhambelana ngqo namandla okufaka.
2. Iphini yePolar isetyenziselwa ukutshintsha indawo yokulawula phakathi kwePeak kunye neNull kwimowudi yokulawula yeNull (emiselwa yiphini yeMode Select) okanye iQuad+
kunye ne-Quad-in Quad control mode. Ukuba i-jumper ye-polar pin ayifakwanga, i-control point iya kuba yi-Null kwi-Null mode okanye i-Quad+ kwi-Quad mode. Ububanzi benkqubo ye-RF buya kuchaphazela ne-control point. Xa kungekho signal ye-RF okanye i-RF signal amplitude incinci, i-controller iyakwazi ukutshixa i-work point ukuya kwi-right point njengoko ikhethwe yi-MS kunye ne-PLR jumper. Xa i-RF signal amplitude idlula umda othile, i-polar yenkqubo iya kutshintshwa, kule meko, i-PLR header kufuneka ibe kwimeko eyahlukileyo, oko kukuthi i-jumper kufuneka ifakwe ukuba ayifakwanga okanye itsalwe ukuba ifakiwe.
Isicelo esiqhelekileyo
Isilawuli kulula ukusisebenzisa.
Inyathelo 1. Qhagamshela i-1% ye-coupler kwi-photodiode yesilawuli.
Inyathelo lesi-2. Qhagamshela i-bias voltage output yesilawuli (nge-SMA okanye nge-2.54mm 2-pin header) kwi-bias port ye-modulator.
Inyathelo lesi-3. Nika isilawuli amandla ombane e-+15V kunye ne-15V DC.
Inyathelo lesi-4. Seta kwakhona isilawuli kwaye siza kuqala ukusebenza.
QAPHELA. Nceda uqinisekise ukuba isignali ye-RF yenkqubo yonke ivuliwe ngaphambi kokuba usete kwakhona isilawuli.
I-Rofea Optoelectronics inikezela ngoluhlu lwemveliso lwee-electro-optic modulators zorhwebo, ii-Phase modulators, i-Intensity modulator, ii-Photodetectors, imithombo yokukhanya kweLaser, ii-DFB lasers, ii-Optical amplifiers, i-EDFA, i-SLD laser, i-QPSK modulation, i-Pulse laser, i-Light detector, i-Balanced photodetector, i-Laser driver, i-Fiber optic amplifier, i-Optical power meter, i-Broadband laser, i-Tunable laser, i-Optical detector, i-Laser diode driver, i-Fiber amplifier. Sikwabonelela ngee-modulators ezininzi ezithile zokwenza ngokwezifiso, ezinje ngee-1*4 array phase modulators, i-ultra-low Vpi, kunye nee-ultra-high extinction ratio modulators, ezisetyenziswa kakhulu kwiiyunivesithi nakwii-institutions.
Ndiyathemba ukuba iimveliso zethu ziya kuba luncedo kuwe nakuphando lwakho.
