双截面分布式布拉格反射器锥形激光器中的相对强度噪声

IF 2.5 4区 物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
Pawel Adamiec, Jose Manuel Garcia Tijero, Ignacio Esquivias, Hans Wenzel, Bernd Sumpf
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引用次数: 0

摘要

实验研究了发射波长在 1060 nm 左右的双段分布式布拉格反射器(DBR)锥形激光器中的相对强度噪声(RIN)。通过分析 RIN 光谱,获得了共振频率和阻尼。在此,研究了共振频率和共振频率下最大 RIN 值与脊波导(RW)和锥形部分电流的函数关系。低频 RIN 约为 -162 dB Hz-1,在提供高输出功率的电流下,RIN 峰值低至 -154 dB Hz-1。观察到的共振频率平方与 RW 部分电流的非线性关系可归因于载波饱和。在 3 A 锥形电流下,当 RW 电流大于 100 mA 时,测得的谐振频率高值超过 2.5 GHz,这表明增益杠杆增强。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Relative intensity noise in a two-section distributed Bragg reflector tapered laser
The relative intensity noise (RIN) in a two-section distributed Bragg reflector (DBR) tapered laser emitting around 1060 nm is being studied experimentally. By analyzing the RIN spectra, a resonance frequency and damping is obtained. Here, the dependence of the resonance frequency and the maximum RIN at the resonance frequency is studied as functions of the ridge waveguide (RW) and tapered section currents independently. The low frequency RIN is approximately -162 dB Hz-1, and the RIN peak at currents providing high output power is as low as -154 dB Hz-1. The observed nonlinearity of the squared resonance frequency with the RW section current is attributed to carrier saturation. The measured high values of the resonance frequency, exceeding 2.5 GHz for RW currents higher than 100 mA at a tapered current of 3 A, indicate gain lever enhancement.
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来源期刊
Physica Status Solidi-Rapid Research Letters
Physica Status Solidi-Rapid Research Letters 物理-材料科学:综合
CiteScore
5.20
自引率
3.60%
发文量
208
审稿时长
1.4 months
期刊介绍: Physica status solidi (RRL) - Rapid Research Letters was designed to offer extremely fast publication times and is currently one of the fastest double peer-reviewed publication media in solid state and materials physics. Average times are 11 days from submission to first editorial decision, and 12 days from acceptance to online publication. It communicates important findings with a high degree of novelty and need for express publication, as well as other results of immediate interest to the solid-state physics and materials science community. Published Letters require approval by at least two independent reviewers. The journal covers topics such as preparation, structure and simulation of advanced materials, theoretical and experimental investigations of the atomistic and electronic structure, optical, magnetic, superconducting, ferroelectric and other properties of solids, nanostructures and low-dimensional systems as well as device applications. Rapid Research Letters particularly invites papers from interdisciplinary and emerging new areas of research.
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