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Proceedings Paper

Integrated photonic crystal waveguides on silicon-on-sapphire for chemical sensing in mid-infrared
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Paper Abstract

We experimentally demonstrate transmission characteristics of a W1 photonic crystal waveguide in silicon on sapphire at mid infrared wavelength of 3.43 m. Devices are studied as a function of lattice constant to tune the photonic stop band across the single wavelength of the source laser. The shift in the transmission profile as a function of temperature and refractive index is experimentally demonstrated. In addition to zero transmission in the stop gap, high transmission was observe for the characteristic of the waveguiding behavior of photonic crystal line defect modes.

Paper Details

Date Published: 27 February 2015
PDF: 7 pages
Proc. SPIE 9367, Silicon Photonics X, 93670T (27 February 2015); doi: 10.1117/12.2080266
Show Author Affiliations
Yi Zou, The Univ. of Texas at Austin (United States)
Swapnajit Chakravarty, Omega Optics, Inc. (United States)
Xiaochuan Xu, Omega Optics, Inc. (United States)
Ray T. Chen, The Univ. of Texas at Austin (United States)
Omega Optics, Inc. (United States)

Published in SPIE Proceedings Vol. 9367:
Silicon Photonics X
Graham T. Reed; Michael R. Watts, Editor(s)

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