Raman amplification characteristics of As2Se3 photonic crystal fibers.

Raman amplification characteristics of As2Se3 photonic crystal fibers.
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DOI:
10.1364/ol.33.002431
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发表时间:
2008-11
期刊:
影响因子:
3.6
通讯作者:
S. Varshney;K. Saitoh;K. Iizawa;Y. Tsuchida;M. Koshiba;R. Sinha
S. Varshney;K. Saitoh;K. Iizawa;Y. Tsuchida;M. Koshiba;R. Sinha
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
S. Varshney;K. Saitoh;K. Iizawa;Y. Tsuchida;M. Koshiba;R. Sinha

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我们展示了 As2Se3 光子晶体光纤 (PCF) 的色散和拉曼放大特性。我们将增益特性与传统 As2Se3 光纤进行比较,发现 PCF 中的拉曼增益效率可以提高 4 倍以上。这使得我们可以使用较小长度的光纤或使用低泵浦功率来获得类似的增益特性。数值模拟表明,当以 1.5 微米波长泵浦、输入功率为 500 mW 时,1.1 m 长的 PCF 可以实现 10 dB 的峰值增益。
We present the dispersion and Raman amplification characteristics of As2Se3 photonic crystal fibers (PCFs). We compare the gain characteristics with conventional As2Se3 fibers and find that the Raman gain efficiency in PCFs can be improved by a factor of more than 4. This allows us to either use a small length of the fiber or to use the low pump power to attain similar gain characteristics. Numerical simulations reveal that a peak gain of 10 dB can be achieved in a 1.1 m long PCF when it is pumped at 1.5 microm in wavelength with an input power of 500 mW.