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Factors affecting the performance of a multi-tone carrier source based re-circulating frequency shifter |
Xi Li-Xia(席丽霞)†, Li Jian-Ping(李建平), Zhang Xiao-Guang(张晓光), Tian Feng(田凤), and Zhang Wen-Bo(张文博) |
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China |
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Abstract Generation of single-sideband (SSB) multi-carrier source based on a recirculating frequency shifter (RFS) is analysed theoretically and realized experimentally. The effects of affecting factors originating from the deviation from the right operation bias voltage and unbalanced amplitude, and the phase of the radio frequency (RF) drive signals on the performance of the multi-tone source are discussed in detail. Based on the theoretical analysis, high-quality 50-tone output is successfully realized. Experiments under some implementation imperfections are also carried out. The imperfect and low-quality output results are in good agreement with theoretical analysis.
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Received: 15 February 2011
Revised: 23 March 2011
Accepted manuscript online:
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PACS:
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42.30.Lr
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(Modulation and optical transfer functions)
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42.79.-e
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(Optical elements, devices, and systems)
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42.81.-i
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(Fiber optics)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 60977049) and the Chinese Universities
Scientific Fund (Grant No. BUPT 2009RC0413). |
Cite this article:
Xi Li-Xia(席丽霞), Li Jian-Ping(李建平), Zhang Xiao-Guang(张晓光), Tian Feng(田凤), and Zhang Wen-Bo(张文博) Factors affecting the performance of a multi-tone carrier source based re-circulating frequency shifter 2011 Chin. Phys. B 20 084202
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