基于光注入DL-OEO和参数混频器的可调高重复频率飞秒EOFCs

IF 5 2区物理与天体物理 Q1 OPTICS

Optics and Laser Technology Pub Date : 2025-09-27 DOI:10.1016/j.optlastec.2025.113982

Weiyu Dai , Jiahui Lin , Tongtong Xie , Yudong Cui , Yusheng Zhang , Hao Chen , Hongyan Fu

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引用次数: 0

摘要

本文提出了一种基于双环光电振荡器（DL-OEO）和参数混频器的稳定飞秒电光频梳（EOFC），并进行了实验验证。DL-OEO由一个强度调制器、一个相位调制器和两个光电反馈环路组成，其中在DL-OEO环路中对周期为1 （P1）的半导体激光器进行光注入以选择相应的微波信号。因此，可以产生具有可调和高重复频率的种子EOFC，并同时通过DL-OEO中使用的长光纤进行脉冲压缩。然后，将种子脉冲送入参数混频器，进一步将脉冲宽度压缩到飞秒级。在原理验证实验中，生成了重复频率在10.20 GHz ~ 18.21 GHz范围内可调的EOFCs，其脉冲宽度可压缩至~ 300 fs， 10 dB谱宽为20.75 nm，梳线216条。本文提出的飞秒EOFC在精密测量、光通信、量子计算等领域具有广阔的应用前景。

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Femtosecond EOFCs with tunable and high repetition frequency based on optically injected DL-OEO and parametric frequency mixer

In this paper, a stable femtosecond electro-optic frequency comb (EOFC) based on a dual-loop optoelectronic oscillator (DL-OEO) and a parametric frequency mixer is proposed and experimentally demonstrated. The DL-OEO is composed of an intensity modulator, a phase modulator, and two optoelectronic feedback loops, where optical injection into a semiconductor laser with a Period-one (P1) state is used in the DL-OEO loop for selecting the corresponding microwave signal. Hence, a seed EOFC with tunable and high repetition frequency can be generated and simultaneously be pulse-compressed through the long optical fiber used in the DL-OEO. Then, the seed pulse is sent into a parametric frequency mixer to further compress the pulse width to the order of femtoseconds. In the proof-of-principle experiment, EOFCs with tunable repetition frequency from 10.20 GHz to 18.21 GHz were generated, where the pulse width can be compressed to ∼ 300 fs, a 10 dB spectral width of 20.75 nm, and 216 comb lines. The proposed femtosecond EOFC has broad application prospects in precision measurement, optical communication, quantum computing, and other fields.

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems