Ultra High Precision MZM Bias Adarí Adarí Aifọwọyi Aifọwọyi
Ẹya ara ẹrọ
• Iṣakoso foliteji abosi lori tente oke / asan / Q + / Q-
• Iṣakoso irẹjẹ foliteji lori aaye lainidii
• Iṣakoso pipe ti Ultra: 50dB ipin iparun ti o pọju lori ipo Null;
± 0.5◦ išedede lori Q + ati Q- awọn ipo
• Iwọn dither kekere:
0.1% Vπ ni ipo NULL ati ipo PEAK
2% Vπ ni ipo Q+ ati ipo Q−
• Iduroṣinṣin giga: pẹlu imuse oni-nọmba ni kikun
• Profaili Kekere: 40mm(W) × 30mm(D) × 10mm(H)
• Rọrun lati lo: Iṣẹ afọwọṣe pẹlu mini jumper;
Awọn iṣẹ OEM rọ nipasẹ MCU UART2
• Awọn ọna oriṣiriṣi meji lati pese foliteji aiṣedeede: a.Aiṣakoso aifọwọyi aifọwọyi
b.Olumulo telẹ abosi foliteji
Ohun elo
• LiNbO3 ati awọn modulators MZ miiran
• Digital NRZ, RZ
Awọn ohun elo Pulse
• Brillouin pinpin eto ati awọn miiran opitika sensosi
• CATV Atagba
Iṣẹ ṣiṣe
olusin 1. Ti ngbe Supression
olusin 2. Pulse Generation
olusin 3. Modulator max agbara
olusin 4. Modulator kere agbara
Iwọn iparun ti o pọju DC
Ninu idanwo yii, ko si awọn ami RF ti a lo si eto naa.A ti diwọn extinciton DC mimọ.
1. Ṣe nọmba 5 ṣe afihan agbara opiti ti iṣelọpọ modulator, nigbati modulator ṣakoso ni aaye Peak.O fihan 3.71dBm ninu aworan atọka.
2. olusin 6 fihan awọn opitika agbara ti modulator o wu, nigbati modulator dari ni Null ojuami.O fihan -46.73dBm ninu aworan atọka.Ni idanwo gidi, iye naa yatọ ni ayika -47dBm;ati -46.73 ni a idurosinsin iye.
3. Nitorina, awọn idurosinsin DC iparun ratio wiwọn ni 50.4dB.
Awọn ibeere fun ipin iparun giga
1. System modulator gbọdọ ni ga iparun ratio.Iwa ti eto modulator pinnu ipin iparun ti o pọju le ṣee ṣe.
2. Polarization ti modulator input ina yoo wa ni abojuto ti.Modulators ni o wa kókó si polarization.Piparọsẹ to tọ le mu ipin iparun pọ si ju 10dB.Ninu awọn adanwo lab, nigbagbogbo oluṣakoso polarization ni a nilo.
3. Awọn olutona aiṣedeede to dara.Ninu adanwo ipin iparun iparun DC wa, ipin iparun 50.4dB ti ṣaṣeyọri.Lakoko ti iwe data ti ẹrọ modulator ṣe atokọ 40dB nikan.Idi ti ilọsiwaju yii ni pe diẹ ninu awọn modulators fi lọ ni iyara pupọ.Rofea R-BC-KANKAN awọn olutona aiṣedeede ṣe imudojuiwọn foliteji aiṣedeede ni gbogbo iṣẹju 1 lati rii daju idahun orin iyara.
Awọn pato
| Paramita | Min | Iru | O pọju | Ẹyọ | Awọn ipo |
| Iṣakoso Performance | |||||
| Ipin iparun | MER 1 | 50 | dB | ||
| CSO2 | -55 | -65 | -70 | dBc | Dither titobi: 2% Vπ |
| Akoko imuduro | 4 | s | Awọn aaye ipasẹ: Null & Peak | ||
| 10 | Awọn aaye ipasẹ: Q+ & Q- | ||||
| Itanna | |||||
| Rere agbara foliteji | + 14,5 | +15 | + 15.5 | V | |
| Rere agbara lọwọlọwọ | 20 | 30 | mA | ||
| Foliteji agbara odi | -15.5 | -15 | -14.5 | V | |
| Agbara odi lọwọlọwọ | 2 | 4 | mA | ||
| O wu foliteji ibiti o | -9.57 | + 9,85 | V | ||
| O wu foliteji konge | 346 | µV | |||
| Dither igbohunsafẹfẹ | 999.95 | 1000 | 1000.05 | Hz | Ẹya: 1kHz dither ifihan agbara |
| Dither titobi | 0.1% Vπ | V | Awọn aaye ipasẹ: Null & Peak | ||
| 2% Vπ | Awọn aaye ipasẹ: Q+ & Q- | ||||
| Opitika | |||||
| Input opitika agbara3 | -30 | -5 | dBm | ||
| Input wefulenti | 780 | 2000 | nm | ||
1. MER ntokasi si Modulator iparun Ratio.Iwọn iparun ti o waye jẹ deede ipin iparun ti modulator ti a sọ pato ninu iwe data modulator.
2. CSO tọka si aṣẹ keji apapo.Lati wiwọn CSO ni deede, didara laini ti ifihan RF, awọn oluyipada ati awọn olugba gbọdọ ni idaniloju.Ni afikun, awọn kika CSO eto le yatọ nigbati nṣiṣẹ ni oriṣiriṣi awọn igbohunsafẹfẹ RF.
3. Jọwọ ṣe akiyesi pe agbara opiti titẹ sii ko ni ibamu si agbara opiti ni aaye aiṣedeede ti a yan.O tọka si agbara opiti ti o pọ julọ ti modulator le okeere si oluṣakoso nigbati awọn sakani foliteji aiṣedeede lati -Vπ si + Vπ .
Olumulo Interface
Aworan5.Apejọ
| Ẹgbẹ | Isẹ | Alaye |
| Photodiode 1 | PD: So MZM photodiode ká Cathode | Pese photocurrent esi |
| GND: So MZM photodiode ká Anode | ||
| Agbara | Orisun agbara fun alabojuto abosi | V-: so odi elekiturodu |
| V +: so awọn rere elekiturodu | ||
| Aarin ibere: so ilẹ elekiturodu | ||
| Tunto | Fi jumper sii ki o fa jade lẹhin iṣẹju 1 | Tun oluṣakoso tunto |
| Ipo Yan | Fi sii tabi fa jade ni jumper | ko si jumper: Asan mode;pẹlu jumper: Quad mode |
| Pola Select2 | Fi sii tabi fa jade ni jumper | ko si jumper: Polar rere;pẹlu jumper: Negetifu Polar |
| Iyatọ Foliteji | Sopọ pẹlu MZM abosi foliteji ibudo | OUT ati GND pese awọn foliteji aiṣedeede fun alayipada |
| LED | Nigbagbogbo lori | Ṣiṣẹ labẹ ipo iduroṣinṣin |
| Lori-pipa tabi pipa-lori gbogbo 0.2s | Ṣiṣe data ati wiwa aaye iṣakoso | |
| Lori-pipa tabi pipa-lori gbogbo 1s | Agbara opiti igbewọle ko lagbara pupọ | |
| Lori-pipa tabi pipa-lori gbogbo 3s | Agbara opiti igbewọle ti lagbara ju | |
| UART | Ṣiṣẹ oludari nipasẹ UART | 3.3: 3.3V foliteji itọkasi |
| GND: Ilẹ | ||
| RX: Gbigba ti oludari | ||
| TX: Gbigbe ti oludari | ||
| Iṣakoso Yan | Fi sii tabi fa jade ni jumper | ko si jumper: jumper Iṣakoso; pẹlu jumper: UART Iṣakoso |
1. Diẹ ninu awọn modulators MZ ni awọn photodiodes inu.Eto oluṣakoso yẹ ki o yan laarin lilo photodiode ti oludari tabi lilo photodiode ti abẹnu modulator.A ṣe iṣeduro lati lo photodiode oludari fun awọn idanwo Lab fun awọn idi meji.Ni akọkọ, photodiode oludari ti ṣe idaniloju didara.Ni ẹẹkeji, o rọrun lati ṣatunṣe kikankikan ina titẹ sii.Akiyesi: Ti o ba nlo photodiode inu inu modulator, jọwọ rii daju pe lọwọlọwọ iṣejade ti photodiode ni ibamu muna si agbara titẹ sii.
2. A lo pin pola lati yipada aaye iṣakoso laarin Peak ati Null ni ipo iṣakoso Null (ti a pinnu nipasẹ Ipo Yan pin) tabi Quad +
ati Quad- ni ipo iṣakoso Quad.Ti a ko ba fi sii jumper ti pola pin, aaye iṣakoso yoo jẹ Asan ni Ipo Asan tabi Quad + ni ipo Quad.Iwọn titobi ti eto RF yoo tun kan aaye iṣakoso naa.Nigbati ko ba si ifihan RF tabi titobi ifihan RF kere, oludari ni anfani lati tii aaye iṣẹ lati ṣatunṣe aaye bi a ti yan nipasẹ MS ati PLR jumper.Nigbati titobi ifihan RF ba kọja iloro kan, pola ti eto naa yoo yipada, ninu ọran yii, akọsori PLR yẹ ki o wa ni ipo idakeji, ie o yẹ ki o fi sii fo ti ko ba jẹ tabi fa jade ti o ba fi sii.
Ohun elo Aṣoju
Alakoso jẹ rọrun lati lo.
Igbesẹ 1.So 1% ibudo ti tọkọtaya pọ si photodiode ti oludari.
Igbesẹ 2.So iṣẹjade foliteji abosi ti oludari (nipasẹ SMA tabi 2.54mm akọsori 2-pin) si ibudo ojuṣaaju ti modulator.
Igbesẹ 3.Pese oludari pẹlu + 15V ati -15V DC foliteji.
Igbesẹ 4.Tun oluṣakoso tunto ati pe yoo bẹrẹ lati ṣiṣẹ.
AKIYESI.Jọwọ ṣe idaniloju pe ifihan agbara RF ti gbogbo eto wa ni titan ṣaaju ki o to tunto oludari naa.
Rofea Optoelectronics nfunni ni laini ọja ti awọn oluyipada Electro-optic ti iṣowo, awọn oluyipada alakoso, oluyipada kikankikan, Awọn olutọpa fọto, awọn orisun ina Laser, awọn lasers DFB, awọn amplifiers opiti, EDFA, laser SLD, awose QPSK, laser Pulse, Oluwari ina, olutọpa iwọntunwọnsi, olutọpa laser. , Fiber optic amplifier, Mita agbara opitika, Laser Broadband, Laser Tunable, Opiti opitika, awakọ diode Laser, Fiber ampilifaya.A tun pese ọpọlọpọ awọn modulators pato fun isọdi, gẹgẹbi 1 * 4 awọn modulators alakoso apa, ultra-low Vpi, ati awọn oluyipada ipin iparun giga-giga, ni akọkọ ti a lo ni awọn ile-ẹkọ giga ati awọn ile-ẹkọ.
Ṣe ireti pe awọn ọja wa yoo ṣe iranlọwọ fun ọ ati iwadii rẹ.
