Thermal Management in AlGaAs‐On‐Insulator Microresonators: Enabling and Extending Soliton Comb Generation

IF 9.8 1区 物理与天体物理 Q1 OPTICS
Yanjing Zhao, Chaochao Ye, Yang Liu, Yueguang Zhou, Kresten Yvind, Minhao Pu
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引用次数: 0

Abstract

Dissipative Kerr solitons offer a promising approach for integrated frequency comb sources. Although aluminum gallium arsenide (AlGaAs) exhibits ultrahigh nonlinearity, its strong thermo‐optic effect raises significant challenges for stable soliton generation. Triggerring solitons necessitates either cryogenic cooling or resonator engineering, imposing stringent requirements on operational environments, comb spacing, and bandwidth. In this work, thermal management in AlGaAs‐on‐insulator microresonators is addressed using an auxiliary laser. This approach effectively suppresses the adverse thermal resonance shifts, thus enabling room‐temperature soliton comb generation. Simultaneously, the residual thermal effects can be leveraged to expand the soliton existence range up to 37 GHz without active feedback. The scheme imposes no limitations on resonator parameters, facilitating the observation of near‐zero‐dispersion solitons. This broadens the exploration horizons on the AlGaAsOI platform. The extended soliton existence range ensures a stable and robust soliton operation, which is crucial for fully exploiting the ultra‐high effective nonlinearity and high optical quality factors exhibited by this platform. This advancement is poised to accelerate the practical deployment of AlGaAs frequency comb sources.
AlGaAs - On - Insulator微谐振器的热管理:实现和扩展孤子梳的产生
耗散克尔孤子为集成频率梳源提供了一种很有前途的方法。虽然砷化铝镓(AlGaAs)具有超高的非线性,但其强烈的热光效应对稳定孤子的产生提出了重大挑战。触发孤子需要低温冷却或谐振器工程,对操作环境,梳间距和带宽提出了严格的要求。在这项工作中,使用辅助激光器解决了AlGaAs - on -绝缘体微谐振器的热管理问题。这种方法有效地抑制了不利的热共振位移,从而使室温孤子梳的产生成为可能。同时,在没有主动反馈的情况下,可以利用残余热效应将孤子的存在范围扩大到37 GHz。该方案对谐振腔参数没有限制,便于观测近零色散孤子。这拓宽了AlGaAsOI平台的勘探视野。孤子存在范围的扩大保证了孤子运行的稳定性和鲁棒性,这对于充分利用该平台所表现出的超高有效非线性和高光学质量因子至关重要。这一进展有望加速AlGaAs频率梳源的实际部署。
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来源期刊
CiteScore
14.20
自引率
5.50%
发文量
314
审稿时长
2 months
期刊介绍: Laser & Photonics Reviews is a reputable journal that publishes high-quality Reviews, original Research Articles, and Perspectives in the field of photonics and optics. It covers both theoretical and experimental aspects, including recent groundbreaking research, specific advancements, and innovative applications. As evidence of its impact and recognition, Laser & Photonics Reviews boasts a remarkable 2022 Impact Factor of 11.0, according to the Journal Citation Reports from Clarivate Analytics (2023). Moreover, it holds impressive rankings in the InCites Journal Citation Reports: in 2021, it was ranked 6th out of 101 in the field of Optics, 15th out of 161 in Applied Physics, and 12th out of 69 in Condensed Matter Physics. The journal uses the ISSN numbers 1863-8880 for print and 1863-8899 for online publications.
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