Comparison of different fiber amplifiers in Yb-doped fiber femtosecond optical frequency combs
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- 作者：H. Liua ; S. Caob ; caoshiying@nim.ac.cn" class="auth_mail" title="E-mail the corresponding author ; B. Linb ; Z. Fangb
- 关键词：Yb-doped fiber laser ; Yb-doped fiber amplifier ; Self-similar amplifier ; Fiber optical frequency comb
- 刊名：Optics Communications
- 出版年：2016
- 出版时间：15 December 2016
- 年：2016
- 卷：381
- 期：Complete
- 页码：403-408
- 全文大小：2104 K
文摘
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In this paper, f0 (carrier-envelope offset frequency) with a signal-to-noise ratio of 40 dB is generated in an Yb-doped fiber femtosecond optical frequency comb (Yb-FOFC) .
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It is the first time to compare and analyze the effects of direct optical pulse amplification (DOPA) and self-similar amplification (SSA), on the output parameters of the amplifiers, minimal output power of the octave spectrum meeting f0 detection requirements, and the SNR of f0.
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The experimental results indicate that under the condition of a low pump power or a low output power, DOPA is preferred in the Yb-FOFC.
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However, under the condition of a high pump power or a high output power, SSA is preferred.