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Proceedings Paper

Multimode interferometers based on non-conventional waveguides
Author(s): Ana Júlia R. F. de Oliveira; Vitaly Felix Rodriguez-Esquerre
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Paper Abstract

For advanced photonics networks all kind of optical devices are being developed with the aim of routing high speed optical signals. The multimode interference MMI principle is becoming important because these devices have a simple configuration, compactness and are suitable for integration. MMI couplers based on subwavelength periodical gratings and silicon nanowires are here analyzed based the coupled-mode formulation. Several geometrical configurations were analyzed as a function of the operating wavelength, by varying the width/radius, the period, the segment length (dutycycle) and the nanowires radius. It was observed that for some specific configurations a wavelength independent behavior can be obtained.

Paper Details

Date Published: 7 March 2014
PDF: 8 pages
Proc. SPIE 8980, Physics and Simulation of Optoelectronic Devices XXII, 89801G (7 March 2014); doi: 10.1117/12.2037809
Show Author Affiliations
Ana Júlia R. F. de Oliveira, Univ. Federal da Bahia (Brazil)
Univ. Federal do Vale do São Francisco (Brazil)
Vitaly Felix Rodriguez-Esquerre, Univ. Federal da Bahia (Brazil)


Published in SPIE Proceedings Vol. 8980:
Physics and Simulation of Optoelectronic Devices XXII
Bernd Witzigmann; Marek Osiński; Fritz Henneberger; Yasuhiko Arakawa, Editor(s)

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