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Proceedings Paper

Demonstration of ITU channel interleaver in SOI with large cross section single mode waveguides
Author(s): G. R. Bhatt; B. K. Das
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Paper Abstract

An integrated optical interleaver has been demonstrated in SOI platform using large cross section single mode rib waveguide structures. The 2×2 device structure is in fact an unbalanced Mach Zehnder Interferometer formed by cascading two identical directional couplers. The device was designed to separate alternate ITU channels operating at λ ~ 1550nm. The fabricated devices have been characterized in terms of insertion loss, polarization and wavelength dependencies, channel extinction etc. The first prototype device operating at ~ 100 GHz ITU channel spacing has been observed to be slightly polarization dependent and a channel extinction of ~ 8 dB was recorded for TE polarization.

Paper Details

Date Published: 31 May 2011
PDF: 5 pages
Proc. SPIE 8069, Integrated Photonics: Materials, Devices, and Applications, 806904 (31 May 2011); doi: 10.1117/12.886614
Show Author Affiliations
G. R. Bhatt, Indian Institute of Technology Madras (India)
B. K. Das, Indian Institute of Technology Madras (India)

Published in SPIE Proceedings Vol. 8069:
Integrated Photonics: Materials, Devices, and Applications
Ali Serpengüzel; Giancarlo Cesare Righini; Alfred Leipertz, Editor(s)

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