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
收藏
页码：1562 / 1564
页数：3
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