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Proceedings Paper

Balanced optical mixer integrated in InGaAlAs/InP for coherent receivers
Author(s): Claudio Caldera; Carlo S. De Bernardi; Giovanni Destefanis; Marina Meliga; Salvatore Morasca; Cesare F. Rigo; Alessandro Stano
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Paper Abstract

3-dB couplers integrated on InGaAlAs/InP grown by Molecular Beam Epitaxy (MBE) have been studied designed and fabricated. The device structure is based on the modal interference principle modelling has been performed by beam propagation and effective index methods and on this basis devices were designed covering a range of geometrical parameters. Devices have been fabricated on single and double heterostructures by wet chemical etching and characterized over the 1. 47-1. 53 im range by a tunable color center laser. Balanced coupling has been observed in several devices with a best one of output balanced within 0. 1 dB over 15 nm.

Paper Details

Date Published: 1 January 1991
PDF: 6 pages
Proc. SPIE 1372, Coherent Lightwave Communications: Fifth in a Series, (1 January 1991); doi: 10.1117/12.24911
Show Author Affiliations
Claudio Caldera, CSELT SpA (Italy)
Carlo S. De Bernardi, CSELT SpA (Italy)
Giovanni Destefanis, CSELT SpA (Italy)
Marina Meliga, CSELT SpA (Italy)
Salvatore Morasca, CSELT SpA (Italy)
Cesare F. Rigo, CSELT SpA (Italy)
Alessandro Stano, CSELT SpA (Italy)

Published in SPIE Proceedings Vol. 1372:
Coherent Lightwave Communications: Fifth in a Series
Harish R. Sunak; Roger C. Steele, Editor(s)

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