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

Jing Lv; Jing Bai; Kaiming Zhou; Xuesong Mei; Kedian Wang; Ming Li; Guanghua Cheng

doi:10.1364/OL.42.003470

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

Jing Lv, Jing Bai, Kaiming Zhou, Xuesong Mei, Kedian Wang, Ming Li, Guanghua Cheng^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Pages (from-to)	3470-3473
Number of pages	4
Journal	Optics Letters
Volume	42
Issue number	17
Early online date	30 Aug 2017
DOIs	https://doi.org/10.1364/OL.42.003470
Publication status	Published - 1 Sep 2017

Bibliographical note

© 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.

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10.1364/OL.42.003470

Transmission performance of 90degree bend optical waveguide fabricated in fused silica by fs laser inscirption
© 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.
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title = "Transmission performance of 90°-bend optical waveguides fabricated in fused silica by femtosecond laser inscription",

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.",

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AU - Zhou, Kaiming

AU - Mei, Xuesong

AU - Wang, Kedian

AU - Li, Ming

AU - Cheng, Guanghua

N1 - © 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.

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