光学
塔尔博特效应
光纤布拉格光栅
脉冲压缩
超短脉冲
材料科学
激光器
带宽限制脉冲
物理
栅栏
电信
计算机科学
雷达
作者
Carlos R. Fernández-Pousa,Reza Maram,José Azaña
出处
期刊:Optics Letters
[The Optical Society]
日期:2017-06-19
卷期号:42 (13): 2427-2427
被引量:33
摘要
We report on the linear conversion of continuous-wave (CW) laser light to optical pulses using temporal Talbot array illuminators (TAIs) with fractional orders 1/q(q≤10), implemented by use of multilevel PM and dispersive propagation in a chirped fiber Bragg grating. The generated, sub-nanosecond optical pulse trains have repetition rates in the gigahertz range and show the presence of satellite pulses originated by the finite electrical modulation bandwidth (7.5 GHz). Though this fact impacts the resulting extinction ratio, an experimental comparison with time and Fresnel lenses indicates that temporal TAIs represent compact systems with high light gathering efficiency (>87%) at moderate values of compression (q≤8), which can be tailored in repetition rate, gain, or width, through the fractional Talbot order for its use in pulse compression systems fed by CW light.
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