光泵浦埋介电光子晶体表面发射激光器

IF 2.4 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Journal Pub Date : 2025-04-15 DOI:10.1109/JPHOT.2025.3561087

E. M. Raftery;D. Lee;B. J. Thompson;K. Chow;W. K. North;M. L. Lee;K. D. Choquette

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引用次数: 0

摘要

我们提出并演示了一种利用亚微米埋地介电特性作为光子晶体低折射率成分的光子晶体表面发射激光器（PCSEL）的设计。PCSELs是一种半导体激光器，具有优异的光束特性，包括高亮度和窄圆光斑尺寸，使其成为激光雷达、光通信、材料加工和定向能等应用的有吸引力的光源。然而，在inp基材料中，质量输运变形会挑战传统封装空气空洞光子晶体的完整性和均匀性。为了克服这个问题，我们制作了埋藏介质的PCSELs，旨在在再生过程中保持光子晶体结构，并提高在高功率和高电流密度工作下的可靠性。利用分子束外延（MBE）的横向外延过度生长制备的完全封装的介电特性，我们报道了在室温下光泵浦埋藏介质PCSEL的第一个发射波长为1.5 μm的激光。

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Photopumped Buried Dielectric Photonic-Crystal Surface-Emitting Lasers

We propose and demonstrate a photonic-crystal surface-emitting laser (PCSEL) design utilizing sub-micron buried dielectric features as the low-index component of the photonic crystal. PCSELs are semiconductor lasers with exceptional beam characteristics, including high brightness and narrow, round spot sizes, making them attractive sources for applications such as LiDAR, optical communications, material processing, and directed energy. However, mass transport deformation in InP-based materials can challenge the integrity and uniformity of conventional encapsulated air void photonic crystals. To overcome this, we fabricate buried dielectric PCSELs designed to preserve the photonic crystal structure during regrowth and enhance reliability under high-power and high-current-density operation. We report the first lasing from a photopumped buried dielectric PCSEL at room temperature with emission at 1.5 μm, utilizing fully encapsulated dielectric features fabricated by lateral epitaxial overgrowth via molecular-beam epitaxy (MBE).

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来源期刊

IEEE Photonics Journal ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS

CiteScore

4.50

自引率

8.30%

发文量

489

审稿时长

1.4 months

期刊介绍： Breakthroughs in the generation of light and in its control and utilization have given rise to the field of Photonics, a rapidly expanding area of science and technology with major technological and economic impact. Photonics integrates quantum electronics and optics to accelerate progress in the generation of novel photon sources and in their utilization in emerging applications at the micro and nano scales spanning from the far-infrared/THz to the x-ray region of the electromagnetic spectrum. IEEE Photonics Journal is an online-only journal dedicated to the rapid disclosure of top-quality peer-reviewed research at the forefront of all areas of photonics. Contributions addressing issues ranging from fundamental understanding to emerging technologies and applications are within the scope of the Journal. The Journal includes topics in: Photon sources from far infrared to X-rays, Photonics materials and engineered photonic structures, Integrated optics and optoelectronic, Ultrafast, attosecond, high field and short wavelength photonics, Biophotonics, including DNA photonics, Nanophotonics, Magnetophotonics, Fundamentals of light propagation and interaction; nonlinear effects, Optical data storage, Fiber optics and optical communications devices, systems, and technologies, Micro Opto Electro Mechanical Systems (MOEMS), Microwave photonics, Optical Sensors.