Single-mode Condition and Bending Loss Analysis of Ultrafast Laser-inscribed Mid-infrared Waveguides in GeAsSe Chalcogenide Glass

Authors

  • Takashi Yasui Faculty of Engineering, Kitami Institute of Technology, Kitami-shi, Hokkaido, 090-8507, Japan

DOI:

https://doi.org/10.13052/2023.ACES.J.381207

Keywords:

Astrophotonics, beam-propagation method, bending-loss analysis, finite-element method, optical waveguide, single-mode condition

Abstract

In this study, single-mode conditions and bending losses of optical waveguides based on Ge33As12Se55 chalcogenide glass, commercially known as IG2, for astrophotonic devices in the mid-infrared spectral range are numerically analyzed. The scalar finite-element method was used to analyze single-mode conditions. For the bending-loss analysis, equivalent straight waveguides of bent waveguides were analyzed using the two-dimensional finite-difference beam-propagation method. The results revealed design rules for astrophotonic optical integrated circuits in the mid-infrared spectral range.

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Author Biography

Takashi Yasui, Faculty of Engineering, Kitami Institute of Technology, Kitami-shi, Hokkaido, 090-8507, Japan

Takashi Yasuiya graduated with the B.S. degree in Electronic Engineering from Fukui University, Fukui, Japan, in 1997, and the M.S. and Ph.D. degrees in Electronic Engineering from Hokkaido University, Sapporo, Japan, in 1999 and 2001, respectively. From 1999 to 2002, he was a Research Fellow of the Japan Society for the Promotion of Science. In 2002, he joined Fujitsu Ltd., Chiba, Japan. From 2004 to 2011, he was an Assistant Professor of the Department of Electronic and Control Systems Engineering, Shimane University, Matsue, Japan. Since 2011, he has been an Associate Professor of the Faculty of Engineering, Kitami Institute of Technology, Kitami, Japan. He has been engaged in research on wave electronics. Yasui is a member of the IEEE, the Optica, and the Institute of Electronics, Information and Communication Engineers (IEICE) of Japan. In 2018, he was awarded the Excellent Paper Award from IEICE.

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Published

2023-12-30

How to Cite

[1]
T. Yasui, “Single-mode Condition and Bending Loss Analysis of Ultrafast Laser-inscribed Mid-infrared Waveguides in GeAsSe Chalcogenide Glass”, ACES Journal, vol. 38, no. 12, pp. 975–980, Dec. 2023.

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2023: Vol 38 Iss 12

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