演示具有 1 千赫兹级本征线宽的大功率光子晶体表面发射激光器

IF 8.4 1区物理与天体物理 Q1 OPTICS

Optica Pub Date : 2024-02-26 DOI:10.1364/optica.505406

Ryohei Morita, Takuya Inoue, Masahiro Yoshida, Kentaro Enoki, Menaka De Zoysa, Kenji Ishizaki, and Susumu Noda

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引用次数: 0

摘要

光子晶体表面发射激光器（PCSEL）由于在光子带结构的奇点处产生二维共振，因此能够在较大的谐振器区域内实现单模高功率激光。由于 PCSEL 的激光模式中的光子数量远大于传统半导体激光器，因此 PCSEL 原则上适用于窄光谱线宽的相干操作。本文通过数值和实验研究了 1 毫米直径 PCSEL 在连续波（CW）操作下的本征光谱线宽，并演示了具有 1 千赫兹级本征线宽和 5 瓦级输出功率的 CW 操作。

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Demonstration of high-power photonic-crystal surface-emitting lasers with 1-kHz-class intrinsic linewidths

Photonic-crystal surface-emitting lasers (PCSELs) are capable of single-mode, high-power lasing over a large resonator area owing to two-dimensional resonance at a singularity point of the photonic band structure. Since the number of photons in the lasing mode in PCSELs are much larger than those in conventional semiconductor lasers, PCSELs are in principle suitable for coherent operation with a narrow spectral linewidth. In this paper, we numerically and experimentally investigate intrinsic spectral linewidths of 1-mm-diameter PCSELs under continuous-wave (CW) operation, and we demonstrate CW operation with 1-kHz-class intrinsic linewidths and 5-W-class output power.

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来源期刊

Optica OPTICS-

CiteScore

19.70

自引率

2.90%

发文量

191

审稿时长

2 months

期刊介绍： Optica is an open access, online-only journal published monthly by Optica Publishing Group. It is dedicated to the rapid dissemination of high-impact peer-reviewed research in the field of optics and photonics. The journal provides a forum for theoretical or experimental, fundamental or applied research to be swiftly accessed by the international community. Optica is abstracted and indexed in Chemical Abstracts Service, Current Contents/Physical, Chemical & Earth Sciences, and Science Citation Index Expanded.