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Theoretical Study of SOA-Based Wavelength Conversion with NRZ and RZ Format at 40Gb/s |
DONG Jian-Ji1;ZHANG Xin-Liang1;FU Song-Nian2;SHUM Ping2;HUANG De-Xiu1 |
1Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 4300742Network Technology Research Centre, Nanyang Technological University, Singapore 637553 |
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Cite this article: |
DONG Jian-Ji, ZHANG Xin-Liang, FU Song-Nian et al 2007 Chin. Phys. Lett. 24 990-993 |
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Abstract We theoretically discuss 40Gb/s semiconductor optical amplifier (SOA)-based wavelength conversion (WC) using a detuning optical bandpass filter based on ultrafast dynamic characteristics of SOA. Both the inverted and non-inverted WCs are obtained by shifting the filter central wavelength with respect to the probe wavelength when input data signal is in return-to-zero (RZ) format. However, we can obtain format conversion from nonreturn-to-zero (NRZ) to pseudo-return-to-zero (PRZ) and inverted WC when the input signal is in NRZ format.
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Keywords:
42.79.Nv
85.60.-q
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Received: 08 December 2006
Published: 26 March 2007
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