光子学报, 2014, 43 (2): 0206006, 网络出版: 2014-02-18   

重构-等效啁啾分布反馈半导体激光器的多信号直调特性

On the Multi-signal Direct Modulation Characteristis of a Reconstruction-equivalent-chirp Distributed Feedback Laser Diode
作者单位
南京航空航天大学 电子信息工程学院 微波光子实验室, 南京 210016
摘要
在测量与分析频率响应与动态范围的基础上, 研究了重构-等效啁啾分布反馈半导体.直调激光器偏置电流以及调制信号的微波功率对直调结果的影响.将300 Mb/s基带信号与1.562 5 Gb/s超宽带信号同时直接加载到该激光器上, 经过10 km单模光纤传输后进行波形、频谱及误码率的检测, 结果表明: 基带信号与超宽带信号的功率代价分别为1.98 dB与0.92 dB;该激光器具有良好的多信号直接调制性能, 在基于波分复用无源光网络的多业务融合网络中具有重要的应用前景.
Abstract
The direct modulation performance of a reconstruction-equivalent-chirp distributed feedback laser diode was experimentally investigated. The frequency response and the dynamic range were measured and analyzed. The influence on the direct modulation performance caused by the bias current of the laser diode and the RF power of the modulated signal was also investigated. Error-free transmission of a 300 Mb/s baseband signal together with a 1.562 5 Gb/s ultra-wideband signal in a 10 km single mode fiber using the distributed feedback laser diode was achieved. The power penalties of the baseband signal and the ultra-wideband signal were 1.98 dB and 0.92 dB, respectively. The distributed feedback laser diode can find applications in the wavelength-division-multiplexed passive optical network based hybrid networks.

陈刚, 张方正, 潘时龙. 重构-等效啁啾分布反馈半导体激光器的多信号直调特性[J]. 光子学报, 2014, 43(2): 0206006. CHEN Gang, ZHANG Fang-Zheng, PAN Shi-Long. On the Multi-signal Direct Modulation Characteristis of a Reconstruction-equivalent-chirp Distributed Feedback Laser Diode[J]. ACTA PHOTONICA SINICA, 2014, 43(2): 0206006.

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