3吉赫兹、瓦级飞秒拉曼孤子源。

3 GHz, watt-level femtosecond Raman soliton source.

作者信息

Lim Jinkang, Chen Hung-Wen, Xu Shanhui, Yang Zhongmin, Chang Guoqing, Kärtner Franz X

出版信息

Opt Lett. 2014 Apr 1;39(7):2060-3. doi: 10.1364/OL.39.002060.

DOI:10.1364/OL.39.002060

Abstract

We demonstrate a 3 GHz repetition rate, femtosecond Raman soliton source with its wavelength tunable from 1.15 to 1.35 μm. We investigate the dependence of Raman soliton formation on different photonic-crystal fibers (PCFs), input powers, and fiber lengths. To produce a Raman soliton peaking at the same wavelength, shorter PCFs demand higher input average powers and consequently generate stronger Raman soliton pulses. Using 30 cm PCF NL-3.2-945, the resulting Raman soliton pulse at 1.35 μm has 0.9 W average power. The integrated relative intensity noise of the Raman soliton pulse at 1.35 μm generated from the 54-cm PCF NL-3.2-945 is as low as 0.33% from 100 Hz to 10 MHz.

摘要

我们展示了一种重复频率为3 GHz的飞秒拉曼孤子源，其波长可在1.15至1.35μm范围内调谐。我们研究了拉曼孤子形成对不同光子晶体光纤（PCF）、输入功率和光纤长度的依赖性。为了产生在相同波长处达到峰值的拉曼孤子，较短的光子晶体光纤需要更高的输入平均功率，因此会产生更强的拉曼孤子脉冲。使用30 cm的PCF NL-3.2-945，在1.35μm处产生的拉曼孤子脉冲平均功率为0.9 W。由54-cm的PCF NL-3.2-945产生的1.35μm拉曼孤子脉冲在100 Hz至10 MHz范围内的积分相对强度噪声低至0.33%。