采用近阈值DFB激光器作为种子光增强基于RSOA的双向WDM-PON的反射容忍度

Digest of the 9th International Conference on Optical Internet (COIN 2010) Pub Date : 2010-07-11 DOI:10.1109/COIN.2010.5546459

Jie-hyun Lee, Seunghyun Cho, Y. Jang, Sang-Soo Lee

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引用次数: 0

摘要

我们成功地提高了基于RSOA的单光纤双向WDM-PON的反射容限，其中DFB激光二极管被用作种子源。我们建议在DFB激光二极管的近阈值区域工作，以扩大其谱线宽度。在- 32 dB链路反射条件下，在20km范围内的误码率低于10−10。

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Enhancement of reflection tolerance in a bidirectional WDM-PON based on RSOA employing near-threshold operated DFB laser as a seed light

We successfully enhanced reflection tolerance in a single fiber bidirectional WDM-PON based on RSOA where DFB laser diode is utilized as a seeding source. We propose to operate DFB laser diode at its near threshold regime to broaden its spectral linewidth. With such a broadened linewidth, the back-reflection induced beating noise is mitigated, and we can achieve the BER below 10−10 over 20km under −32 dB link reflection.

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Digest of the 9th International Conference on Optical Internet (COIN 2010)

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