Transmission performance of 90°-bend optical waveguides fabricated in fused silica by femtosecond laser inscription

Lv, Jing, Bai, Jing, Zhou, Kaiming, Mei, Xuesong, Wang, Kedian, Li, Ming and Cheng, Guanghua (2017). Transmission performance of 90°-bend optical waveguides fabricated in fused silica by femtosecond laser inscription. Optics Letters, 42 (17), pp. 3470-3473.

Abstract

The L-shape waveguide was written in fused silica using a femtosecond laser with beam shaping. The guiding structure supports good light turning; 0.88 dB/turn was achieved at the silica-air interface. By using the finite-different time-domain method, the turn loss due to the turning structure and refractive index of the L-shape waveguide has been simulated. The results show that the proposed method has unprecedented flexibility in fabricating a 90°-bend waveguide.

Publication DOI: https://doi.org/10.1364/OL.42.003470
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences > Institute of Photonics
Additional Information: © 2017 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
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Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2017-09-01
Authors: Lv, Jing
Bai, Jing
Zhou, Kaiming ( 0000-0002-6011-1912)
Mei, Xuesong
Wang, Kedian
Li, Ming
Cheng, Guanghua

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