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Proceedings Paper

Broadband athermal devices and their applications
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Paper Abstract

Photonic integrated circuits suffer from a thermal drift of device performance, which is a key obstacle to the development of commercial optoelectronic products. Temperature-insensitive integrated waveguides and resonators have been demonstrated at a single wavelength, using materials with a negative TOC, which are not suitable for WDM devices and wideband nonlinear devices. Here, we propose two waveguides to realize the generation of broadband athermal features. For one of them, the temperature-insensitivity over a bandwidth of 780 nm (1280 to 2060 nm) with an ultra-small effective-TOC within is ±1×10-6/K. Uniquely, the waveguide has small anomalous dispersion (from 66 to 329 ps/nm/km) over the same band and is suitable for frequency comb generation without being affected by intra-cavity thermal dynamics. We also show another waveguide design with an effective-TOC variation of ±1×10-6/K over a bandwidth of 1060 nm, from 1220 to 2280 nm. The obtained dispersion varies from -232 to -502 ps/nm/km over the same band, which can be used in nonlinear devices.

Paper Details

Date Published: 5 November 2018
PDF: 8 pages
Proc. SPIE 10814, Optoelectronic Devices and Integration VII, 108140I (5 November 2018); doi: 10.1117/12.2504099
Show Author Affiliations
Lijuan Xu, Tianjin Univ. (China)
Tianjin Unv. of Technology and Education (China)
Yuhao Guo, Tianjin Univ. (China)
Jing Wang, Tianjin Univ. (China)
Liuqing He, Tianjin Univ. (China)
Henan Liu, Tianjin Univ. (China)
Guifang Li, Tianjin Univ. (China)
CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Lin Zhang, Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 10814:
Optoelectronic Devices and Integration VII
Xuping Zhang; Baojun Li; Changyuan Yu; Xinliang Zhang, Editor(s)

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