1.4 GHz femtosecond comb generation by Fabry-Pérot filtering of optical parametric oscillator frequency comb
1.4 GHz femtosecond comb generation by Fabry-Pérot filtering of optical parametric oscillator frequency comb
复制标题
通过光学参量振荡器频率梳的 Fabry-Pérot 滤波生成 1.4 GHz 飞秒梳
DOI：
10.1049/el.2013.1504
复制
发表时间：
2013
影响因子：
1.1
通讯作者：
Ferreiro T
中科院分区：
文献类型：
--
作者：
Ferreiro T
基于光学参量振荡器的激光频率梳提供了从可见光到中红外的规则间隔频率的广泛可调谐源，在精密计量、光谱学和天文学中具有潜在的应用。报告的是梳状模间距到GHz域的扩展，通过使用法布里珀罗腔，其长度通过抖动锁定技术电子稳定到原始脉冲重复频率的谐波。重复频率和载波包络偏移频率分别锁定在280 MHz和10 MHz的1500 nm飞秒光学参量振荡器频率梳由高精细度腔滤波，以产生1.4 GHz的脉冲序列，对应于梳的模式间隔增加五倍。
Laser frequency combs based on optical parametric oscillators provide widely tunable sources of regularly spaced frequencies from the visible to the mid‐infrared, with potential applications in precision metrology, spectroscopy and astronomy. Reported is the extension of the comb mode spacing into the GHz domain by using a Fabry‐Pérot cavity, the length of which was electronically stabilised to a harmonic of the original pulse repetition frequency via a dither‐locking technique. A 1500 nm femtosecond optical parametric oscillator frequency comb, the repetition frequency and carrier‐envelope offset frequency of which were locked to 280 MHz and 10 MHz, respectively, was filtered by a high‐finesse cavity to generate a pulse sequence at 1.4 GHz, corresponding to a factor of five increase in the mode spacing of the comb.