I-Ultra High Precision ye-MZM yoMlawuli we-Bias ozenzekelayo uMlawuli we-Bias

Inkcazelo emfutshane:

I-Rofea 'modulator bias controller yenzelwe ngokukodwa iimodyuli ze-Mach-Zehnder ukuze kuqinisekiswe imeko yokusebenza ezinzileyo kwiindawo ezahlukeneyo zokusebenza.Ngokusekwe kwindlela yayo yokusetyenzwa kwedijithali ngokupheleleyo, umlawuli unokubonelela ngentsebenzo ezinzileyo.

Umlawuli ufaka i-frequency ephantsi, i-amplitude ephantsi ye-dither signal kunye ne-bias voltage kwimodyuli.Ihlala ifunda imveliso evela kwimodyuli kwaye imisela imeko yombane we-bias kunye nempazamo ehambelana nayo.Ivoltheji entsha ye-bias iya kusetyenziswa emva kwamagama ngokomlinganiselo wangaphambili.Ngale ndlela, imodyuli iyaqinisekiswa ukuba isebenza phantsi kombane ofanelekileyo wokuthamba.


Iinkcukacha zeMveliso

I-Rofea Optoelectronics ibonelela ngeemveliso ze-Electro-optic modulators kunye neefotonics

Iithegi zeMveliso

Uphawu

• Ulawulo lombane we-bias kwi-Peak/null/Q+/Q-
• Ulawulo lwamandla ombane olucalanye kwindawo engafanelekanga
• Ulawulo oluchanekileyo: 50dB ubuninzi bokuphela komlinganiselo kwimodi ye-Null;
±0.5◦ ukuchaneka kwiimowudi ze-Q+ ne-Q−
• Ubungakanani be-dither ephantsi:
0.1% Vπ kwimodi ye-NULL kunye ne-PEAK mode
2% Vπ ku-Q+ indlela kunye ne-Q− mode
• Uzinzo oluphezulu: ngokuphunyezwa kwedijithali ngokupheleleyo
• Iprofayile ephantsi: 40mm(W) × 30mm(D) × 10mm(H)
• Kulula ukuyisebenzisa: Ukusebenza ngesandla kunye ne-mini jumper;
Imisebenzi ye-OEM eguquguqukayo nge-MCU UART2
• Iimowudi ezimbini ezahlukeneyo zokubonelela amandla ombane ocalanye: a.Ulawulo lwe-bias oluzenzekelayo
b.Umsebenzisi ochaziweyo wombane ocalanye

Imodyuli ye-Electro-optic imodyuli ye-Electro-optical Modulator Isilawuli se-Bias Isilawuli sendawo ye-IQ IModyuli ye-DP-IQ iModyuli ye-MZM yesiLawuli esiKhethekileyo

Isicelo

• I-LiNbO3 kunye nezinye iimodyuli ze-MZ
• Digital NRZ, RZ
• Usetyenziso lwe-Pulse
• Isixokelelwano sokusasazwa kweBrillouin kunye nezinye iinzwa zokubona
• I-CATV Transmitter

Ukusebenza

pd-1

Umzobo 1. Ukunyanzeliswa kweCarrier

pd-2

Umzobo 2. Isizukulwana sePulse

pd-3

Umzobo 3. Imodyuli max amandla

pd-4

Umzobo 4. Ubuncinci bamandla emodyuli

Umlinganiselo wokuphela kweMaxim DC

Kolu vavanyo, akukho miqondiso yeRF esetyenzisiweyo kwisistim.Ukutshatyalaliswa kwe-DC ecocekileyo kuye kwalinganiswa.
1. Umzobo we-5 ubonisa amandla okukhanya okuphuma kwemodyuli, xa imodyuli ilawulwa kwi-Peak point.Ibonisa i-3.71dBm kumzobo.
2. Umzobo we-6 ubonisa amandla okukhanya okukhutshwa kwemodyuli, xa imodyuli ilawulwa kwi-Null point.Ibonisa -46.73dBm kumzobo.Kuvavanyo lwangempela, ixabiso liyahluka malunga -47dBm;kwaye -46.73 lixabiso elizinzile.
3. Ngoko ke, umlinganiselo ozinzileyo we-DC wokutshabalala ulinganiswe yi-50.4dB.

Iimfuno zomlinganiselo ophezulu wokutshabalala

1. Imodyuli yesistim kufuneka ibe nomlinganiselo ophezulu wokutshabalala.Uphawu lwemodyuli yesixokelelwano lwenza isigqibo sokuba umlinganiselo ophezulu wokutshabalala unokufikelelwa.
2. Ipolarization yesibane sokufaka imodyuli iya kukhathalelwa.Iimodyuli zinovakalelo kwi-polarization.I-polarization efanelekileyo inokuphucula umlinganiselo wokutshabalala ngaphezu kwe-10dB.Kwimifuniselo yelebhu, ngokuqhelekileyo kufuneka isilawuli se-polarization.
3. Abalawuli be-bias abafanelekileyo.Kuvavanyo lwethu lwe-DC extinction ratio, umlinganiselo wokuphela kwe-50.4dB uphunyeziwe.Ngelixa idatabase yemodyuli isenza uluhlu lwe-40dB kuphela.Isizathu solu phuculo kukuba ezinye iimodyuli zihamba ngokukhawuleza kakhulu.I-Rofea R-BC-NAYIPHI na abalawuli be-bias bahlaziya amandla ombane we-bias rhoqo ngomzuzwana we-1 ukuqinisekisa ukuphendula ngokukhawuleza.

Iinkcukacha

Ipharamitha

Min

Chwetheza

Max

Iyunithi

Iimeko

Ukulawula Ukusebenza
Umlinganiselo wokuphela

I-MER1

50

dB

CSO2

−55

−65

−70

dBc

I-Dither amplitude: 2%Vπ
Ixesha lokuzinzisa

4

s

Amanqaku okulandelela: Null & Peak

10

Amanqaku okulandelela: Q+ & Q-
Umbane
Amandla ombane afanelekileyo

+14,5

+15

+15,5

V

Positive amandla okwangoku

20

30

mA

Amandla ombane angalunganga

-15.5

-15

-14.5

V

Amandla angalunganga okwangoku

2

4

mA

Uluhlu lombane ophumayo

-9.57

+9,85

V

Ukuchaneka kombane wokuphuma

346

µV

Dither frequency

999.95

1000

1000.05

Hz

Inguqulelo: 1kHz isiginali yedither
Dither amplitude

0.1%Vπ

V

Amanqaku okulandelela: Null & Peak
2%Vπ Amanqaku okulandelela: Q+ & Q-
I-Optical
Igalelo lamandla okukhanya3

-30

-5

dBm

Igalelo lobude bobude

780

2000

nm

1. I-MER ibhekisa kwi-Modulator Extinction Ratio.Umlinganiselo wokutshabalala ophunyeziweyo uqhelekile ngumlinganiselo wokuphela kwemodyuli echazwe kwidatha yemodyuli.
2. I-CSO ibhekisa kulandelelwano lwesibini oluhlanganisiweyo.Ukulinganisa i-CSO ngokuchanekileyo, umgangatho womgca wesignali yeRF, iimodyuli kunye nabamkeli baya kuqinisekiswa.Ukongeza, ufundo lweCSO lwesixokelelwano lunokwahluka xa lusebenza kwiifrikhwensi ezahlukeneyo zeRF.
3. Nceda uqaphele ukuba i-input optical power ayihambelani namandla okukhanya kwindawo ekhethiweyo ye-bias point.Ibhekisa kumandla okukhanya aphezulu anokuthi imodyuli iwathumele kwisilawuli xa amandla ombane acalanye asuka ku- −Vπ ukuya ku +Vπ.

Indawo yomsebenzisi

Indawo yomsebenzisi

Isazobe5.INdibano

Iqela

Ukusebenza

Ingcaciso

Ifotodiode 1 PD: Qhagamshela i-MZM photodiode's Cathode Nika ingxelo yefotocurrent
GND: Qhagamshela i-Anode ye-photodiode ye-MZM
Amandla Umthombo wamandla womlawuli wokuthambekela V-: idibanisa i-electrode engalunganga
I-V +: idibanisa i-electrode efanelekileyo
Iprobe ephakathi: idibanisa i-electrode yomhlaba
Lungisa kwakhona Faka i-jumper kwaye ukhuphe emva kwe-1 yesibini Seta kwakhona isilawuli
Imowudi Khetha Faka okanye ukhuphe i-jumper akukho jumper: Imowudi engekho;kunye Jumper: Imowudi Quad
Ukukhetha kwePolar2 Faka okanye ukhuphe i-jumper akukho jumper: Polar Positive;nge jumper: Polar embi
I-Bias Voltage Qhagamshelana ne-MZM bias voltage port I-OUT kunye ne-GND zibonelela ngee-voltages ze-bias kwimodyuli
I-LED Ngokucacileyo kwi Ukusebenza phantsi korhulumente ozinzileyo
On-off okanye off-on zonke 0.2s Ukusetyenzwa kwedatha kunye nokukhangela indawo yokulawula
On-off okanye off-on zonke 1s Igalelo lamandla okukhanya anamandla kakhulu
On-off okanye off-on zonke 3s Igalelo lamandla okukhanya anamandla kakhulu
UART Sebenzisa isilawuli nge-UART 3.3: 3.3V ireferensi yombane
GND: Umhlaba
RX: Fumana umlawuli
TX: Ukuhanjiswa komlawuli
Lawula Khetha Faka okanye ukhuphe i-jumper akukho jumper: ulawulo lokutsiba; kunye ne-jumper: Ulawulo lwe-UART

1. Ezinye iimodyuli ze-MZ zineefotodiodes zangaphakathi.Ukuseta isilawuli kufuneka kukhethwe phakathi kokusebenzisa ifotodiode yomlawuli okanye ukusebenzisa imodyuli yangaphakathi yeefotodiodi.Kuyacetyiswa ukuba usebenzise ifotodiode yomlawuli kwimifuniselo yeLab ngezizathu ezibini.Okokuqala, isilawuli se-photodiode siqinisekise umgangatho.Okwesibini, kulula ukulungelelanisa ukukhanya kokufakwayo.Qaphela: Ukuba usebenzisa i-photodiode yemodyuli yangaphakathi, nceda uqiniseke ukuba imveliso yangoku yefotodiode ilingana ngokungqongqo namandla egalelo.
2. I-polar pin isetyenziselwa ukutshintsha indawo yokulawula phakathi kwe-Peak kunye ne-Null kwimodi yokulawula i-Null (inqunywe yi-Mode Khetha iphini) okanye i-Quad+
kunye ne-Quad-kwimo yokulawula ye-Quad.Ukuba i-jumper ye-polar pin ayifakwanga, indawo yokulawula iya kuba yi-Null kwimodi ye-Null okanye i-Quad + kwimodi ye-Quad.Ubungakanani benkqubo yeRF nayo iya kuchaphazela indawo yolawulo.Xa kungekho signali yeRF okanye isandi somqondiso weRF sincinci, umlawuli uyakwazi ukutshixa indawo yokusebenza ukuze alungise indawo njengoko kukhethwe nguMS kunye nePLR jumper.Xa i-amplitude ye-RF yomqondiso idlula umqobo othile, i-polar yesixokelelwano iya kutshintshwa, kule meko, i-header ye-PLR kufuneka ibe kwimeko echaseneyo, okt i-jumper kufuneka ifakwe ukuba ayifakwanga okanye ikhutshwe ukuba ifakiwe.

Usetyenziso oluqhelekileyo

itafile

Umlawuli kulula ukuyisebenzisa.

Inyathelo loku-1.Qhagamshela i-1% port ye coupler kwifotodiode yomlawuli.
Inyathelo2.Qhagamshela imveliso yamandla ombane ecalanye yesilawuli (nge-SMA okanye i-2.54mm 2-pin header) kwizibuko elicalanye lemodyuli.
Inyathelo lesi-3.Nika isilawuli nge +15V kunye ne -15V DC yombane.
Inyathelo lesi-4.Seta kwakhona umlawuli kwaye uya kuqalisa ukusebenza.
PHAWULA.Nceda uqiniseke ukuba isignali yeRF yenkqubo yonke ivuliwe phambi kokuseta ngokutsha isilawuli.


  • Ngaphambili:
  • Okulandelayo:

  • I-Rofea Optoelectronics ibonelela ngomgca wemveliso yeemodyuli ze-Electro-optic, iimodyuli zeSigaba, imodyuli yokuqina, iiFotodetectors, imithombo yokukhanya kweLaser, ii-laser zeDFB, iiamplifiers zamehlo, i-EDFA, i-SLD laser, i-QPSK modulation, iPulse laser, isitshini sokukhanya, i-Balanced driver photodetector, iLaser. , I-Fiber optic amplifier, imitha yamandla okukhanya, i-Broadband laser, i-laser ye-Tunable, i-Optical detector, i-Laser diode driver, i-Fiber amplifier.Sikwabonelela ngeemodyuli ezininzi zokwenziwa ngokwezifiso, ezinje nge-1 * 4 uluhlu lweemodyuli zesigaba, i-Vpi ephantsi kakhulu, kunye ne-ultra-high extinction ratio modulators, ezisetyenziswa ikakhulu kwiiyunivesithi nakumaziko.
    Ndiyathemba ukuba iimveliso zethu ziya kuba luncedo kuwe nakuphando lwakho.

    Iimveliso ezinxulumeneyo