Alam, Muhammad Z. and Sun, Xiao and Mojahedi, Mo and Aitchison, J. Stewart (2017) Augmented low index waveguide for confining light in low index media. Laser and Photonics Reviews, 11 (3). Art. No. 1500224. ISSN 1863-8880. https://resolver.caltech.edu/CaltechAUTHORS:20170530-084002577
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Abstract
Guiding light in the low index region of a high refractive index contrast waveguide can be beneficial for many applications including sensing, nonlinear optics and electro-optics. Existing methods to achieve this goal suffer from fabrication complexity, large loss, or poor optical confinement. We propose a simple structure to achieve a significant enhancement of light confinement in the low index medium. We explain the guiding principle of this structure using geometrical optics, and suggest a number of applications where this guiding structure can provide significant performance benefits. The combination of simplicity, ease of fabrication, and good confinement makes this waveguide an attractive choice for a wide range of applications. To illustrate this, we consider the integration of a nonlinear polymer with a silicon photonic waveguide, and show that significantly better performance with an easier fabrication process can be achieved using this new scheme.
Item Type: | Article | |||||||||
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Additional Information: | © 2017 by Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. Issue online: 19 May 2017; Version of record online: 19 May 2017; Manuscript Accepted: 24 April 2017; Manuscript Revised: 17 March 2017; Manuscript Received: 7 September 2015. | |||||||||
Subject Keywords: | Integrated optics; nonlinear optics; low index waveguide; geometrical optics | |||||||||
Issue or Number: | 3 | |||||||||
Record Number: | CaltechAUTHORS:20170530-084002577 | |||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20170530-084002577 | |||||||||
Official Citation: | M. Z. Alam, X. Sun, M. Mojahedi, J. S. Aitchison, Laser & Photonics Reviews 2017, 11, 1500224 | |||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
ID Code: | 77819 | |||||||||
Collection: | CaltechAUTHORS | |||||||||
Deposited By: | Tony Diaz | |||||||||
Deposited On: | 30 May 2017 17:08 | |||||||||
Last Modified: | 03 Oct 2019 18:02 |
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