本光单偏振光发射机评估板可用于复杂的诸如-QPSK, QAM, OFDM光信号的生成. 主板集成了双平行MZ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 IQ/QAM Transmitter is a high performance modulation evaluation unit that allows user to produce optical signals with complex modulation schemes (QPSK, QAM, OFDM). It integrates high bandwidth dual parallel Mach-Zehnder modulator and high speed RF drivers capable of dealing with data rate up to 56 Gbps. It features an embedded bias controller that allows to automatically set the modulator operating point.
FEATURES
C or L band wavelength range
Data-rate up to 56 Gbps
Automatic bias point setup and tracking
APPLICATIONS
Long Haul Optical Transmission
Microwave Photonics
Carrier-Suppressed Single Sideband
Testing and Measurement
| Parameters | Unit | Parameter | ||
| Min. | Typ. | Max. | ||
| Operating Wavelength | nm | 1530 | 1550 | 1610 |
| Optical Bandwidth | GHz | 22 | 25 | 28 |
| On/Off Extinction Ratio @ DC | dB | 20 | 26 | 32 |
| Insertion Loss | dB | 4.5 | 6.0 | 7.5 |
| Maximum Data Rate | Gbps | 40 | 50 | 56 |
| Chirp, Alpha Parameter | dB | -0.1 | 0 | +0.1 |
| Input Optical Power @ CW | dBm | -15 | 10 | 15 |
| RF-MZI Electrode | – | Internal Push-Pull (Drive Voltage Vpi, Typ. 3.5V@22Gbps) | ||
| RF Input Amplitude @50Ohms | mVpp | 50 | 500 | 1000 |
| RF Channel Gain Difference | dB | – | 0.5 | – |
| RF Gain Adjustment Range | dB | 0 | 10 | 21 |
| Eye Diagram Adjustment | – | Jitter and Cross-over | ||
| Bias Control Mode | – | Automatic | ||
| Modulation Format/Application | – | IQ/QPSK/QAM/OFDM/CS-SSC | ||
| Optical Input Option | – | Tunable Laser | ||
| RF Input Port | – | Connector Type | Input Impedance | Port Number |
| 1.85mm V-Female | 50Ohms | 2 | ||
| Optical Fiber and Connector | – | PM1550@Optical Input and Output, FC/APC | ||
| Adjustment Interface | – | Trimming Potentiometer, Manual | ||
| Operating Temperature | ℃ | 0 ~50 | ||
| Power supply* | – | DC 12V, 1A (EVB) | ||
| Dimensions (L×W×H)* | mm | 135×166×32 (EVB) | ||
Notes:
*The specifications subject to change without notice.
*The appearance and the key component varies according to different performance requirements.
