C+L 波段外腔免跳模可调激光源的输出特性

IF 2.1 4区物理与天体物理 Q2 OPTICS

Photonics Pub Date : 2024-07-21 DOI:10.3390/photonics11070677

Jisheng Sun, Liqiang Qiu, Lei Liu, Liwen Sheng, Yudong Cui, Lin Huang, Mengchun Pan, Fushun Nian, Jiafei Hu

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引用次数: 0

摘要

具有宽波长调谐范围、无跳模（MHF）运行和高光谱纯度的可调谐激光源对于高分辨率光谱学、相干检测和智能光纤传感等应用至关重要。在本文中，我们介绍了一种基于外腔反馈的宽范围可调谐激光源，它使用半导体增益芯片作为激光增益介质，工作时不存在跳模现象。实验测量了激光的波长、功率和光谱特性。实现了从 1480 nm 到 1620 nm 的宽 MHF 连续波长调谐范围，侧模抑制比超过 61.65 dB。在整个 C+L 波段，还实现了超过 11.14 dBm 的输出光功率和良好的功率稳定性。这种拟议的外腔可调谐激光源具有窄本征线宽和 MHF 可调谐辐射，最大扫描速度为 200 nm/s，可用于高分辨率矢量光谱分析等实际应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Output Characteristics of External-Cavity Mode-Hop-Free Tunable Laser Source in C+L Band

Tunable laser sources with a wide wavelength tuning range, mode-hop-free (MHF) operation, and high spectral purity are essential for applications such as high-resolution spectroscopy, coherent detection, and intelligent fiber sensing. In this paper, we present a wide-range tunable laser source that operates without mode hopping, based on external cavity feedback using a semiconductor gain chip as the laser gain medium. The wavelength, power, and spectral characteristics of the laser are experimentally measured. A wide MHF continuous wavelength tuning range from 1480 nm to 1620 nm with a side-mode suppression ratio of more than 61.65 dB is achieved. An output optical power of more than 11.14 dBm with good power stability can also be realized in the full C+L band. This proposed external-cavity tunable laser source features a narrow intrinsic linewidth and MHF tunable radiation with a maximum sweep speed of 200 nm/s, enabling practical applications such as high-resolution vector spectrum analysis.

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来源期刊

Photonics Physics and Astronomy-Instrumentation

CiteScore

2.60

自引率

20.80%

发文量

817

审稿时长

8 weeks

期刊介绍： Photonics (ISSN 2304-6732) aims at a fast turn around time for peer-reviewing manuscripts and producing accepted articles. The online-only and open access nature of the journal will allow for a speedy and wide circulation of your research as well as review articles. We aim at establishing Photonics as a leading venue for publishing high impact fundamental research but also applications of optics and photonics. The journal particularly welcomes both theoretical (simulation) and experimental research. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation and experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material.