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Inverted deposition and high-velocity spinning to develop buried planar chalcogenide glass waveguides for highly nonlinear integrated optics

Mairaj, AK, Curry, RJ and Hewak, DW (2005) Inverted deposition and high-velocity spinning to develop buried planar chalcogenide glass waveguides for highly nonlinear integrated optics Applied Physics Letters, 86 (9). pp. 1-3.

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Abstract

We report on buried planar waveguides in a highly nonlinear infrared transmitting chalcogenide glass, fabricated using a combination of inverted deposition of the molten glass phase and high-velocity spinning. Films of gallium lanthanum sulphide (Ga:La:S) glass were deposited onto an expansion coefficient matched Ga:La:S cladding substrate. These amorphous films, with an optimized composition designed to be resistant against crystallization, were observed to have an excellent interface quality and uniformity. The designed planar chip had a buried core, 6 μm thick in the vertical direction, in single-mode operation at 1.064 μm and a measured propagation loss of <0.2 dB cm-1. Through this technique waveguides from Ga:La:S glass, a highly versatile optical semiconductor material, can potentially be used in nonlinear applications as well as provide passive and active integrated optic functionality into the infrared beyond 5 μm. © 2005 American Institute of Physics.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute
Authors :
AuthorsEmailORCID
Mairaj, AKUNSPECIFIEDUNSPECIFIED
Curry, RJUNSPECIFIEDUNSPECIFIED
Hewak, DWUNSPECIFIEDUNSPECIFIED
Date : 28 February 2005
Identification Number : 10.1063/1.1856686
Additional Information :

Copyright 2005 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

The following article appeared in Applied Physics Letters, 86 094102 and may be found at A.K. Mairaj et al., Appl. Phys.Lett. 86, 094102(2005)

Depositing User : Symplectic Elements
Date Deposited : 18 Jun 2014 11:05
Last Modified : 18 Jun 2014 13:33
URI: http://epubs.surrey.ac.uk/id/eprint/805321

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