Modulator ea Ultra High Precision MZM ea ho Lemalla Lekhetho Taolo ea Lekhetho e Iketsang
Tšobotsi
• Taolo ea motlakase oa leeme ho Peak/Null/Q+/Q−
• Taolo ea motlakase o leeme ntlheng e sa reroang
• Taolo e nepahetseng haholo: Tekanyo e phahameng ka ho fetisisa ea ho fela ha 50dB mokhoeng oa Null;
Ho nepahala ha ±0.5◦ mefuteng ea Q+ le Q−
• Bongata ba diter bo tlase:
0.1% Vπ ho mokhoa oa NULL le mokhoa oa PEAK
2% Vπ mokgweng wa Q+ le mokgweng wa Q−
• Botsitso bo phahameng: ka ts'ebetsong ea dijithale ka botlalo
• Boemo bo tlase: 40mm(W) × 30mm(D) × 10mm(H)
• Ho bonolo ho e sebelisa: Ts'ebetso ea letsoho ka jumper e nyane;
Ts'ebetso e feto-fetohang ea OEM ka MCU UART2
• Mekhoa e 'meli e fapaneng ea ho fana ka motlakase oa leeme: a. Taolo ea leeme e iketsang
b. Motlakase o hlalosoang ke mosebelisi oa leeme
Kopo
• LiNbO3 le li-modulator tse ling tsa MZ
• NRZ ea dijithale, RZ
• Lisebelisoa tsa ho otla ha pelo
• Sistimi ea ho hasanya Brillouin le li-sensor tse ling tsa optical
• Sefetisi sa CATV
Tshebetso
Setšoantšo sa 1. Ho Hatelloa ha Mojari
Setšoantšo sa 2. Ho Hlahisa Pelo
Setšoantšo sa 3. Matla a phahameng ka ho fetisisa a modulator
Setšoantšo sa 4. Matla a fokolang a modulator
Sekhahla sa ho fela ha Maxim DC
Tekong ena, ha ho matshwao a RF a ileng a sebediswa tsamaisong. Pure DC extinciton e lekantswe.
1. Setšoantšo sa 5 se bonts'a matla a optical a tlhahiso ea modulator, ha modulator e laoloa ntlheng ea Peak. E bonts'a 3.71dBm setšoantšong.
2. Setšoantšo sa 6 se bonts'a matla a optical a tlhahiso ea modulator, ha modulator e laoloa ho Null point. E bonts'a -46.73dBm setšoantšong. Tekong ea 'nete, boleng bo fapana ho pota -47dBm; 'me -46.73 ke boleng bo tsitsitseng.
3. Ka hona, karolelano e tsitsitseng ea ho fela ha DC e lekantsoeng ke 50.4dB.
Litlhoko tsa karolelano e phahameng ea ho fela ha lintho
1. Modulator ea sistimi e tlameha ho ba le karolelano e phahameng ea ho fela. Tšobotsi ea modulator ea sistimi e etsa qeto ea hore karolelano e phahameng ka ho fetisisa ea ho fela e ka finyelloa.
2. Ho lokela ho hlokomeloa hore polarization ea leseli le kenang la modulator e sebetsanoe le eona. Li-modulator li na le kutloelo-bohloko ho polarization. Polarization e nepahetseng e ka ntlafatsa karolelano ea ho fela ha khanya ho feta 10dB. Litekong tsa laboratori, hangata ho hlokahala molaoli oa polarization.
3. Balaoli ba leeme ba nepahetseng. Tekong ea rona ea karolelano ea ho fela ha DC, karolelano ea ho fela ha 50.4dB e fihletsoe. Leha leqephe la data la moetsi oa modulator le thathamisa 40dB feela. Lebaka la ntlafatso ena ke hore li-modulator tse ling li tsamaea ka potlako haholo. Balaoli ba leeme ba Rofea R-BC-ANY ba ntlafatsa motlakase oa leeme motsotsoana o mong le o mong ho netefatsa karabelo e potlakileng.
Litlhaloso
| Paramethara | Bonyane | Mofuta | Boholo | Yuniti | Maemo |
| Tshebetso ea Taolo | |||||
| Karolelano ea ho fela | MER 1 | 50 | dB | ||
| CSO2 | −55 | −65 | −70 | dBc | Boholo ba Dither: 2%Vπ |
| Nako ea ho tsitsisa | 4 | s | Lintlha tsa ho latela: Null & Peak | ||
| 10 | Lintlha tsa ho latela: Lipotso+ le Lipotso- | ||||
| Motlakase | |||||
| Motlakase o motle oa matla | +14.5 | +15 | +15.5 | V | |
| Matla a matle a hona joale | 20 | 30 | mA | ||
| Motlakase o fosahetseng oa matla | -15.5 | -15 | -14.5 | V | |
| Hampe matla a hona joale | 2 | 4 | mA | ||
| Mefuta ea motlakase oa tlhahiso | -9.57 | +9.85 | V | ||
| Ho nepahala ha motlakase o hlahisoang | 346 | µV | |||
| Maqhubu a Dither | 999.95 | 1000 | 1000.05 | Hz | Phetolelo: Letšoao la dither la 1kHz |
| Boholo ba Dither | 0.1%Vπ | V | Lintlha tsa ho latela: Null & Peak | ||
| 2%Vπ | Lintlha tsa ho latela: Lipotso+ le Lipotso- | ||||
| Optical | |||||
| Matla a ho kenya a optical3 | -30 | -5 | dBm | ||
| Bolelele ba wavelength ba ho kenya | 780 | 2000 | nm | ||
1. MER e bua ka Karolelano ea ho Fela ha Modulator. Karolelano ea ho fela e fihletsoeng hangata ke karolelano ea ho fela ha modulator e boletsoeng ho datasheet ea modulator.
2. CSO e bua ka tatellano ea bobeli e kopaneng. Ho lekanya CSO ka nepo, boleng ba mola oa lets'oao la RF, li-modulator le li-receiver bo tla netefatsoa. Ho phaella moo, lipalo tsa CSO tsa sistimi li ka fapana ha li sebetsa maqhubung a fapaneng a RF.
3. Ka kopo hlokomela hore matla a optical a ho kenya ha a tsamaisane le matla a optical sebakeng se khethiloeng sa bias. E bua ka matla a optical a phahameng ka ho fetisisa ao modulator a ka a romelang ho molaoli ha motlakase oa bias o tloha ho −Vπ ho ea ho +Vπ.
Sebopeho sa Mosebelisi
Setšoantšo sa 5. Kopano
| Sehlopha | Ts'ebetso | Tlhaloso |
| Photodiode 1 | PD: Hokela Cathode ea photodiode ea MZM | Fana ka maikutlo a photocurrent |
| GND: Hokela Anode ea photodiode ea MZM | ||
| Matla | Mohloli oa matla bakeng sa molaoli oa leeme | V-: e hokahanya electrode e mpe |
| V+: e hokahanya electrode e ntle | ||
| Probe e bohareng: e hokahanya electrode ea fatše | ||
| Seta botjha | Kenya jumper ebe u e ntša ka mor'a motsotsoana o le mong | Seta molaoli bocha |
| Khetho ea Mokhoa | Kenya kapa u ntše jumper | ha ho jumper: Mokhoa o se nang thuso; ka jumper: Mokhoa oa Quad |
| Select2 ea Polar | Kenya kapa u ntše jumper | ha ho jumper: Polar e ntle; ka jumper: Polar e mpe |
| Leeme Voltage | Hokela ka koung ea motlakase ea MZM bias | OUT le GND li fana ka li-voltage tsa leeme bakeng sa modulator |
| LED | Kamehla ho | Ho sebetsa tlas'a boemo bo tsitsitseng |
| Ho tima kapa ho tima metsotsoana e meng le e meng e 0.2 | Ho sebetsana le data le ho batla ntlha ea taolo | |
| E tima kapa e tima metsotso e meng le e meng e 1 | Matla a optical a ho kenya a fokola haholo | |
| Ho tima kapa ho tima metsotso e meng le e meng e 3 | Matla a optical a ho kenya a matla haholo | |
| UART | Sebetsa molaoli ka UART | 3.3: Motlakase oa litšupiso oa 3.3V |
| GND: Fatše | ||
| RX: Kamohelo ea molaoli | ||
| TX: Phetiso ea molaoli | ||
| Khetho ea Taolo | Kenya kapa u ntše jumper | ha ho jumper: taolo ea jumper; ka jumper: taolo ea UART |
1. Li-modulator tse ling tsa MZ li na le li-photodiode tsa kahare. Ho seta ha molaoli ho lokela ho khethoa pakeng tsa ho sebelisa photodiode ea molaoli kapa ho sebelisa photodiode ea kahare ea modulator. Ho khothalletsoa ho sebelisa photodiode ea molaoli bakeng sa liteko tsa laboratori ka mabaka a mabeli. Ea pele, photodiode ea molaoli e netefalitse boleng. Ea bobeli, ho bonolo ho fetola sepheo sa leseli la ho kenya. Hlokomela: Haeba u sebelisa photodiode ea kahare ea modulator, ka kopo etsa bonnete ba hore motlakase o hlahisoang oa photodiode o lekana hantle le matla a ho kenya.
2. Phini e polar e sebediswa ho fetola ntlha ya taolo pakeng tsa Peak le Null ka mokgwa wa taolo wa Null (o kgethilweng ke Phini ya Mokgwa wa Select) kapa Quad+
le mokhoa oa taolo oa Quad-in Quad. Haeba jumper ea pin ea polar e sa kenngoa, ntlha ea taolo e tla ba Null ho Null mode kapa Quad+ ho Quad mode. Boholo ba sistimi ea RF le bona bo tla ama ntlha ea taolo. Ha ho se na lets'oao la RF kapa bophahamo ba lets'oao la RF bo le bonyenyane, molaoli o khona ho notlela ntlha ea mosebetsi ho ea ntlheng e nepahetseng joalo ka ha ho khethiloe ke jumper ea MS le PLR. Ha bophahamo ba lets'oao la RF bo feta moeli o itseng, polar ea sistimi e tla fetoloa, tabeng ena, hlooho ea PLR e lokela ho ba boemong bo fapaneng, ke hore jumper e lokela ho kenngoa haeba e sa kenngoe kapa e huloe haeba e kentsoe.
Tšebeliso e Tloaelehileng
Taolo e bonolo ho e sebelisa.
Mohato oa 1. Hokela kou ea 1% ea sehokelo ho photodiode ea molaoli.
Mohato oa 2. Hokela tlhahiso ea motlakase oa bias oa molaoli (ka SMA kapa hlooho ea 2.54mm ea li-pin tse 2) ho koung ea bias ea modulator.
Mohato oa 3. Fana ka molaoli ka li-voltage tsa +15V le -15V DC.
Mohato oa 4. Seta molaoli bocha 'me o tla qala ho sebetsa.
TLHOKOMELISO. Ka kopo etsa bonnete ba hore lets'oao la RF la sistimi eohle le butsoe pele o seta molaoli bocha.
Rofea Optoelectronics e fana ka letoto la dihlahiswa tsa di-modulator tsa Electro-optic tsa kgwebo, Di-modulator tsa Phase, Modulator ya Matla, Di-Photodetector, Mehlodi ya mabone a Laser, Di-laser tsa DFB, Di-amplifiers tsa Optical, EDFA, SLD laser, QPSK modulation, Pulse laser, Light detector, Balanced photodetector, Mokhanni wa Laser, Fiber optic amplifier, Optical power meter, Broadband laser, Tunable laser, Optical detector, Laser diode driver, Fiber amplifier. Re boetse re fana ka di-modulator tse ngata tse ikgethang bakeng sa ho iketsetsa, tse kang di-modulator tsa phase ya 1*4 array, Vpi e tlase haholo, le di-modulator tsa ultra-high extinction ratio, tse sebediswang haholo diyunivesithing le ditheong.
Ke tšepa hore lihlahisoa tsa rona li tla u thusa le lipatlisisong tsa hau.
