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Proceedings Paper

Fabrication and comprehensive study of silicon oxynitride based compact directional coupler and multimode interference coupler
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Paper Abstract

In this paper a comprehensive study of compact conventional Directional Coupler (DC) and Multimode Interference (MMI) coupler using a numerical model based on Simple Effective Index Method (SEIM) have been presented. The coupling length of the couplers is then compared with the results obtained by using commercially available Beam Propagation Method (BPM) based software with respect to different waveguide separation gap and different coupling gap’s refractive indices. The designed couplers are fabricated using SiON as a core and silica as a cladding. It is found both from the experimental and theoretical results that the beat length of conventional MMI coupler is ~ 1.9 times lower than that of conventional DC.

Paper Details

Date Published: 28 January 2013
PDF: 5 pages
Proc. SPIE 8760, International Conference on Communication and Electronics System Design, 876024 (28 January 2013); doi: 10.1117/12.2012435
Show Author Affiliations
Bidyut Deka, Tezpur Univ. (India)
Aradhana Dutta, Tezpur Univ. (India)
Gopal Hegde, Indian Institute of Sciences (India)
Partha Pratim Sahu, Tezpur Univ. (India)


Published in SPIE Proceedings Vol. 8760:
International Conference on Communication and Electronics System Design
Vijay Janyani; M. Salim; K. K. Sharma, Editor(s)

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