Key Features
lC and L-Band Operation
lLow insertion loss
l3dB bandwidth 10GHz
lExtinction ratio 35/40dB
lLow half-wave voltage
lIntegrated Monitor Photodiode
lTelecordia GR-468-CORE
Applications
lMicrowave fiber link
lQuantum communication
lOptical Pulse Generation
lOptical fiber sensing system
lLaser mode locking
Description
The 1550nm High Extinction Ratio LiNbO3 electro-optical intensity modulator based on the M-Z push-pull structure has a low half-wave voltage and stable physical and chemical characteristics, and the device has a high response rate, high extinction ratio(>40dB) and is therefore widely used in microwave fiber link, Quantum communication, optical Q-switched systems, laser mode-locking, and fiber sensing .
Schematic diagram
![1550nm High Extinction Ratio Electro-optic Intensity Modulator]( "1550nm High Extinction Ratio Electro-optic Intensity Modulator")
Parameters
Parameters | Symbol | Min. | Typ. | Max. | Unit |
Optical Parameters |
Wavelength | l | 1525 |
| 1565 | nm |
Insertion loss(with connector) | IL |
| 4 | 5 | dB |
Optical return loss | ORL |
|
| -45 | dB |
Extinction ratio @DC | ER@DC | 35 | 40 |
| dB |
Fiber | Input |
| Panda PM Fujikura SM 15-P-8/125-UV/UV-400 |
Output |
| Panda PM Fujikura SM 15-P-8/125-UV/UV-400 |
Fiber interface |
| FC/PC、FC/APC or user specified |
Electrical Parameters |
Bandwidth（-3dB） | S21 | 10 | 12 |
| GHz |
Rise time (10%~90%) | Tr | 35 |
|
| ps |
Half-wave voltage Vpi | RF | Vπ@50KHz |
|
| 5 | V |
Bias | Vπ@Bias |
|
| 6 | V |
Electrical return loss | S11 |
| -12 | -10 | dB |
Photodiode Responsivity | RP | 10-3 |
|
| A/W |
Input impedance | RF | ZRF | 50 | W |
Bias | ZBIAS | 1M | W |
Electrical interface |
| SMA(f) |
Absolute Maximum Ratings
Parameters | Symbol | Unit | Min. | Typ. | Max. |
Input optical power | Pin,Max | dBm |
|
| 20 |
RF input power |
| dBm |
|
| 28 |
Bias voltage | Vbias | V | -20 |
| 20 |
Operating temperature | Top | ºC | -10 |
| 60 |
Storage temperature | Tst | ºC | -40 |
| 85 |
Humidity | RH | % | 5 |
| 90 |
Characteristic Curve
![1550nm High Extinction Ratio Electro-optic Intensity Modulator]( "1550nm High Extinction Ratio Electro-optic Intensity Modulator")
![1550nm High Extinction Ratio Electro-optic Intensity Modulator]( "1550nm High Extinction Ratio Electro-optic Intensity Modulator")
S11&S21 curve
Dimensions(Unit:mm)
![1550nm High Extinction Ratio Electro-optic Intensity Modulator]( "1550nm High Extinction Ratio Electro-optic Intensity Modulator")
PIN# 1. Bias 2.GND 3. PD Cathode 4. PD Anode
Ordering Information
KY-AM-WL-BW-PP-FA/FP-ER
WL—Wavelength：15-1550nm
BW—Bandwidth：10G---10GHz 20G-20GHz
FA/FP—Connector：FA---FC/APC; FP---FC/PC
ER----Extinction Ratio: 35dB, 40dB