本双偏振光发射机评估板可用于复杂的诸如PM-QPSK, QAM, OFDM光信号的生成. 主板集成了高速的双偏振QPSK调制器, 射频信号驱动器以及自动偏压控制器, 并提供了光信号眼图幅度和抖动性能的调节. 单电压供电, 超小的尺寸, 极简的用户界面, 使得它非常适合实验和开发人员在实验室调试或二次开发使用, 且极具性价比.
DESCRIPTION
The dual polarization IQ/QAM Transmitter is a high performance modulation evaluation unit that allows user to produce optical signals with complex modulation schemes (PM-QPSK, QAM, OFDM). It integrates high bandwidth PM-QPSK modulator and high speed RF drivers capable of dealing with data rate up to 128 Gbps. It features an embedded bias controller that allows to automatically set the modulator operating point.
FEATURE
C or L band wavelength range
Data-rate up to 128 Gbps
Automatic bias point setup and tracking
APPLICATION
Long Haul Optical Transmission
Microwave Photonics
Large Capacity Optical Coherent Communication
Testing and Measurement
SPECIFICATION
| Parameter | Unit | Min. | Typ. | Max. |
| Operating Wavelength | nm | 1530 | 1550 | 1610 |
| Optical Bandwidth | GHz | 23 | 26 | 30 |
| On/Off Extinction Ratio @ DC | dB | 22 | 30 | 35 |
| Insertion Loss | dB | 8 | 10 | 15 |
| Maximum Data Rate | Gbps | – | 100 | 128 |
| Chirp, Alpha Parameter | dB | -0.15 | 0 | +0.15 |
| Input Optical Power @ CW | dBm | -10 | 10 | 15 |
| RF-MZI Electrode | – | Internal Push-Pull Drive Voltage Vpi Typ. 3.5V@23GHz | ||
| RF Input Amplitude @50Ohms | mVpp | 100 | 500 | 1000 |
| RF Channel Gain Difference | dB | – | 1 | – |
| RF Gain Adjustment Range | dB | 0 | 25 | – |
| Eye Diagram Adjustment | – | Jitter and Cross-over | ||
| Bias Control Mode | – | Automatic | ||
| Modulation Format Application | – | Dual Polarization IQ/QPSK/QAM/CS-SSC | ||
| Optical Input Option | – | Tunable Laser | ||
| RF Input Port | – | SMA Female | 50Ohms | 4 Ports |
| Optical Fiber and Connector | – | PM1550, FC/APC | ||
| Adjustment Interface | – | Manual Trimming Potentiometer | ||
| Operating Temperature | ℃ | 0 ~50 | ||
| Power supply* | – | DC 12V, 2A (EVB) | ||
| Dimensions (L×W×H)* | mm | 150×100×30 (EVB, without Heat Sink) |
Notes: *The specifications subject to change without notice.
*The appearance and the key component vary according to different performance requirements.
ORDER INFORMATION
TX-DPIQ-1-2-3-4-5-6-7
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Package | Bandwidth | Wavelength | Optional 1 | Optional 2 | Optional 3 | Connector |
| B=EVB | 10=10GHz | C=C band | BC=Bias Controller | DR=RF Driver | TL=Tunable Laser | FA=FC/APC |
| M=Module | 20=20GHz | L=L band | N=No BC | N=No DR | N=No TL | NA=None |
Constellation Diagram – X & Y Polarization
