Integrated Optical Polarization Controller Chip In LiNbO3 Using A Near Z Axis Propagation Direction

A. Donaldson; P. D. Dow

doi:10.1117/12.960079

6 December 1988 Integrated Optical Polarization Controller Chip In LiNbO₃ Using A Near Z Axis Propagation Direction

A. Donaldson, P. D. Dow

Proceedings Volume 0993, Integrated Optical Circuit Engineering VI; (1988) https://doi.org/10.1117/12.960079
Event: O-E/Fiber LASE '88, 1988, Boston, MA, United States

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.

Citation Download Citation

A. Donaldson and P. D. Dow "Integrated Optical Polarization Controller Chip In LiNbO₃ Using A Near Z Axis Propagation Direction", Proc. SPIE 0993, Integrated Optical Circuit Engineering VI, (6 December 1988); https://doi.org/10.1117/12.960079

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