Control of the carrier-envelope phases of a synchronously pumped femtosecond optical parametric oscillator and its applications

被引:0
作者
Barry J S Gale
Derryck T Reid
机构
[1] UltrafastOpticsGroup,SchoolofEngineeringandPhysicalSciences,Heriot-WattUniversity,EdinburghEHAS,UK
基金
英国工程与自然科学研究理事会;
关键词
optical parametric oscillator; carrier-envelope phase; coherent synthesis; frequency comb;
D O I
暂无
中图分类号
TN304 [材料];
学科分类号
0805 ; 080501 ; 080502 ; 080903 ;
摘要
The intrinsic synchronization, multi-color outputs and related carrier-envelope phases (CEP) among pulses bring advantages to synchronously pumped femtosecond optical parametric oscillators and the pumping sources for broadband frequency comb generation and ultrashort waveform coherent syn-thesis. In this paper, we discuss our latest research results in this field, which cover the following as-pects: the phase relationship and energy conservation law in an OPO and related experimental verifi-cation; control of the pumping Ti:sapphire femtosecond laser's CEP by self-referencing technology, and its repetition-rate locking by piezoelectric transducer (PZT); CEP locking of the pulses from the OPO by beating the non-phase-matched visible outputs against pump supercontinuum to obtain a driving signal for a fast PZT on the OPO end mirror; the generation of a broadband frequency comb spanning from 400 nm to 2.4 μm with 1.2 kHz bandwidth; and the realization of coherent interference between phase controlled pump pulses and signal second harmonic pulses.
引用
收藏
页码:642 / 651
页数:10
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