FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Measurement of the Carrier Recovery Time in Semiconductor Optical Amplifier Based on Dual-Pump Four-Wave Mixing Technology |
CHENG Cheng, ZHANG Xin-Liang, ZHANG Yu, ZHOU En-Bo, LIU Lei, ZHANG Yin, HUANG De-Xiu |
Wuhan National Laboratory for Optoelectronics and School of Optoelectronics Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074 |
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Cite this article: |
CHENG Cheng, ZHANG Xin-Liang, ZHANG Yu et al 2009 Chin. Phys. Lett. 26 124208 |
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Abstract A scheme of measuring the carrier recovery time in semiconductor optical amplifiers (SOAs) based on dual pump Four-wave mixing technology is presented. The carrier recovery times under 120mA, 180mA 240mA and 300mA injected currents are measured to be 111ps, 81ps, 71ps and 53ps, respectively. The carrier recovery time of the spacing between the two umps is also investigated. The experimental results show that the conversion efficiency keeps constant when the spacing of the two pumps varies within a small range.
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Keywords:
42.55.Px
42.60.Lh. 42.65.-k
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Received: 20 May 2009
Published: 27 November 2009
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