Chin. Phys. Lett.  2012, Vol. 29 Issue (5): 054202    DOI: 10.1088/0256-307X/29/5/054202
FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
Single- and Dual-Channel DPSK Signal Amplitude Regeneration Based on a Single Semiconductor Optical Amplifier
HUANG Xi,QIN Cui,YU Yu,ZHANG Zheng,ZHANG Xin-Liang**
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074
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HUANG Xi, QIN Cui, YU Yu et al  2012 Chin. Phys. Lett. 29 054202
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Abstract We experimentally demonstrate that, based on operational condition optimization, a common quantum well (QW) semiconductor optical amplifier (SOA) has the ability of amplitude regeneration for return-to-zero (RZ) differential phase shift keying (DPSK) signals. For a single-channel RZ-DPSK regeneration scheme, a significant eye-opening enhancement and a negative power penalty of about 1.0 dB are obtained. For dual-channel RZ-DPSK regeneration, it can also be found that the eye-opening improvement and power penalty decrease in each channel. In addition, the DPSK regeneration scheme based on a single QW SOA is quite simple and stable.
Received: 31 August 2011      Published: 30 April 2012
PACS:  42.55.Px (Semiconductor lasers; laser diodes)  
  42.65.Re (Ultrafast processes; optical pulse generation and pulse compression)  
  42.65.Sf (Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/29/5/054202       OR      https://cpl.iphy.ac.cn/Y2012/V29/I5/054202
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HUANG Xi
QIN Cui
YU Yu
ZHANG Zheng
ZHANG Xin-Liang
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