Sumitomo Chemical to exhibit compound semiconductor products, deliver invited talk at SPIE Photonics West 2024 in San Francisco; company to showcase gallium nitride substrates, gallium arsenide epitaxial wafers

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December 20, 2023 (press release) –

Sumitomo Chemical to Attend SPIE Photonics West 2024 to Exhibit its Compound Semiconductor Products and Present an Invited Talk

Dec. 20, 2023

Sumitomo Chemical will participate in SPIE Photonics West 2024, the world’s largest optics and photonics conference and exhibition, to be held in San Francisco, California, the United States, from Tuesday, January 30 to Thursday, February 1, 2024. This will be the Company’s first time attending SPIE Photonics West. This conference, organized by the International Society for Optics and Photonics (SPIE), the leading society in this field, showcases a wide range of the latest optical and photonic technologies and applications, including optical communications, lasers, and optoelectronic devices.

Sumitomo Chemical offers compound semiconductor products that are garnering attention as next-generation materials. At SPIE Photonics West 2024, the Company will exhibit gallium nitride (GaN) substrates for blue laser diodes and gallium arsenide (GaAs) epitaxial wafers used in vertical cavity surface emitting laser (VCSEL) applications. In addition, Hajime Fujikura, Fellow, Ibaraki Works, Sumitomo Chemical, will present an invited talk at the conference on Monday, January 29, the day before the exhibition starts. You are invited to attend his invited talk and visit the Company's exhibition booth.

1. Overview of the Exhibition
SPIE Photonics West 2024
Date: Tuesday, January 30 to Thursday, February 1, 2024
Venue: The Moscone Center, San Francisco, California, the United States
Sumitomo Chemical’s booth number: 2561
(For more information, please see Sumitomo Chemical Co., Ltd. : SPIE Photonics West 2024 Exhibition.)

2. Sumitomo Chemical’s Exhibitions
Compound semiconductor products:
- GaN substrates
Sumitomo Chemical provides high-quality GaN substrates used in optical and electronic devices. The Company is developing higher-quality GaN substrates that will improve the performance of highly efficient laser metal processing machines, mercury-free laser light source projectors, and other optical and electronic devices that contribute to reducing environmental impact.


- GaAs epitaxial wafers for use in VCSEL diodes
VCSELs are expected to be used in a broad range of applications, including facial recognition devices and light detection and ranging (LiDAR) devices. Sumitomo Chemical produces GaAs epitaxial wafers for VCSELs tailored to meet customer needs.

3. Sumitomo Chemical’s Invited Talk
Title: GaN and AlGaN epitaxy by HVPE
Presenter: Hajime Fujikura (Fellow, Ibaraki Works, Sumitomo Chemical Co., Ltd.)
Date: Monday, January 29, 4:20 p.m. to 4:50 p.m. PST
Abstract of the Presentation: For more information, please see  GaN and AlGaN epitaxy by HVPE | SPIE Photonics West.


Sumitomo Chemical Co., Ltd.
SCIOCS Division
Phone: +81-3-5201-0323

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