High-order optical vortex beam generation based on watt-class spatial phase plate-integrated photonic-crystal surface-emitting lasers

被引：0

作者：

Tokushima, Tomoki ^{[1
]}

Noda, Susumu ^{[2
]}

Kitamura, Kyoko ^{[1
,2
,3
]}

机构：

[1] Kyoto Inst Technol, Matsugasaki, Kyoto 6068585, Japan

[2] Kyoto Univ, Grad Sch Engn, Kyoto 6158510, Japan

[3] Tohoku Univ, Grad Sch Engn, Aoba Ku, Sendai 9808579, Japan

来源：

OPTICS LETTERS | 2024年 / 49卷 / 04期

基金：

日本学术振兴会;

关键词：

ORBITAL ANGULAR-MOMENTUM; GAUSSIAN-BEAM; HIGH-POWER; LIGHT; MODES;

D O I：

10.1364/OL.510853

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We develop spatial phase plate (SPP)-integrated photoniccrystal surface -emitting lasers featuring double -lattice photonic-crystal structures embedded using a crystal regrowth technique. SPPs possessing eight segmentations per phase rotation number l are fabricated on the top surface to generate optical vortex beams (OVBs) with l = 1-3. The beams exhibit a high output power of similar to 5 W and high mode purities of 85%, 78%, and 72% for l = 1-3, respectively. These purity values are comparable with those of a pure Gaussian mode passing through an SPP. The compact, high -power, and high -purity OVB sources can be used in the fields of material processing, optical manipulation, and microscopy. (c) 2024 Optica Publishing Group

引用

页码：973 / 976

页数：4

共 15 条

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Kitamura, Kyoko
Kitazawa, Miki
Noda, Susumu
OPTICS EXPRESS, 2019, 27 (02) : 1045 - 1050
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[3] Watt-class high-power, high-beam-quality photonic-crystal lasers
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Liang, Yong
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NATURE PHOTONICS, 2014, 8 (05) : 406 - 411
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[8] Design of photonic-crystal surface-emitting lasers with enhanced in-plane optical feedback for high-speed operation
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