High-Sensitivity Optical Preamplifier for WDM Systems Using an Optical Parametric Amplifier

被引：9

作者：

Liang, Yu ^{[1
]}

Li, Jia ^{[1
]}

Chui, P. C. ^{[1
]}

Wong, Kenneth K. Y. ^{[1
]}

机构：

[1] Univ Hong Kong, Photon Syst Res Lab, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2009年 / 21卷 / 20期

关键词：

Optical parametric amplifier (OPA); preamplifier; receiver sensitivity; DOPED FIBER PREAMPLIFIER; 10; GB/S; GAIN; AMPLIFICATION; SIGNALS;

D O I：

10.1109/LPT.2009.2030507

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We propose and demonstrate a novel preamplifier to improve receiver sensitivity for a 10-Gb/s return-to-zero on-off keying format by using a fiber optical parametric amplifier. Receiver sensitivity can reach down to -42 dBm at bit-error rate = 10(-9). This sensitivity is only 1.1 dB off the quantum limit. The crosstalk issue is also investigated for this dual-end detection scheme in a wavelength-division-multiplexing system.

引用

页码：1562 / 1564

页数：3

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