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Proceedings Paper

Integrated Optical Polarization Controller Chip In LiNbO3 Using A Near Z Axis Propagation Direction
Author(s): A. Donaldson; P. D. Dow
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Paper Abstract

We assess the design and fabrication of an optically wideband four element polarization controller chip in LiNb03 for use in the 1.55 µm wavelength low loss window of silica fibres. The design allows for mixing of the local oscillator (LO) and signal by the integration of a 3 dB coupler which should provide suitable outputs for a balanced detector pair. In addition, we attempt to optimise mode converter performance in the device by using near Z axis propagation. The results inidicate that there are some unforseen problems that arise when couplers and off axis waveguide structures are fabricated on this particular crystal orientation.

Paper Details

Date Published: 6 December 1988
PDF: 9 pages
Proc. SPIE 0993, Integrated Optical Circuit Engineering VI, (6 December 1988); doi: 10.1117/12.960079
Show Author Affiliations
A. Donaldson, Marconi Research Centre (United Kingdom)
P. D. Dow, Marconi Research Centre (United Kingdom)

Published in SPIE Proceedings Vol. 0993:
Integrated Optical Circuit Engineering VI
Mark A. Mentzer, Editor(s)

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