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 journalArticle

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 languageEnglish
Pages (from-to)3470-3473
Number of pages4
JournalOptics Letters
Volume42
Issue number17
Early online date30 Aug 2017
DOIs
Publication statusPublished - 1 Sep 2017

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optical waveguides
silicon dioxide
waveguides
lasers
flexibility
refractivity
air

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.

Cite this

Lv, Jing ; Bai, Jing ; Zhou, Kaiming ; Mei, Xuesong ; Wang, Kedian ; Li, Ming ; Cheng, Guanghua. / Transmission performance of 90°-bend optical waveguides fabricated in fused silica by femtosecond laser inscription. In: Optics Letters. 2017 ; Vol. 42, No. 17. pp. 3470-3473.
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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; Cheng, Guanghua.

In: Optics Letters, Vol. 42, No. 17, 01.09.2017, p. 3470-3473.

Research output: Contribution to journalArticle

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AU - Li, Ming

AU - Cheng, Guanghua

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