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Measurement of the carrier recovery time in SOA based on four-wave mixing on narrow-band ASE spectrum |
Cheng Cheng(程乘), Zhang Xin-Liang(张新亮)†ger, Zhang Yu(张羽), Liu Lei(刘磊), and Huang De-Xiu(黄德修) |
Wuhan National Laboratory for Optoelectronics, School of Optoelectronics Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China |
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Abstract Carrier recovery time is a key parameter that determines the performance of a semiconductor optical amplifier (SOA). A measurement method of carrier recovery time in SOA based on a nearly degenerate four-wave mixing of narrow-band amplified spontaneous emission (ASE) spectra is presented. The results show the carrier times are 50.2, 44.6, and 23.6 ps when the injected currents are 120, 180, and 240 mA, respectively, which are in agreement with the nominal values of the sample.
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Received: 22 December 2009
Revised: 24 May 2010
Accepted manuscript online:
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PACS:
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42.55.Px
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(Semiconductor lasers; laser diodes)
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42.60.Lh
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(Efficiency, stability, gain, and other operational parameters)
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42.62.Eh
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(Metrological applications; optical frequency synthesizers for precision spectroscopy)
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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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Fund: Project supported by National High Technology Research and Development Program of China (Grant No. 2006AA03Z414), the National Natural Science Foundation of China (Grant No. 60877056), and the Science Fund for Distinguished Young Scholars of Hubei Province of China (Grant No. 2006ABB017). |
Cite this article:
Cheng Cheng(程乘), Zhang Xin-Liang(张新亮), Zhang Yu(张羽), Liu Lei(刘磊), and Huang De-Xiu(黄德修) Measurement of the carrier recovery time in SOA based on four-wave mixing on narrow-band ASE spectrum 2010 Chin. Phys. B 19 104206
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