利用半导体激光器和光放大器的增益开关级联的光频率梳的设计和频谱整形

IF 2.2 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2025-07-16 DOI:10.1016/j.optcom.2025.132194

Marko M. Krstić, Stefana D. Bogojević, Jasna V. Crnjanski, Dejan M. Gvozdić

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引用次数: 0

摘要

本文提出了一种基于增益开关DFB激光器和反射半导体光放大器级联的优化结构的简单光频梳生成技术。这两个器件的偏置电流被定制为多谐波波形，使用元启发式算法优化，以最大限度地增加在3db裕度内平坦度的梳线数量。我们报告的平顶梳带宽范围为125至171 GHz，最多有29条梳线，自由频谱范围可调范围为5至12.5 GHz。

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Design and spectral shaping of optical frequency combs using gain-switched cascade of a semiconductor laser and optical amplifier

In this paper, we present a simple optical frequency comb generation technique based on the optimized structure consisting of a gain-switched DFB laser and reflective semiconductor optical amplifier cascade. Bias currents of the two devices are tailored as multi-harmonic waveforms, using a meta-heuristic algorithm optimization for maximizing the number of comb lines with flatness within 3 dB margin. We report flat-top comb bandwidths in range from 125 to 171 GHz, with up to 29 comb lines and free spectral range tunability from 5 to 12.5 GHz.

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来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.