Integrated acousto-optic polarization analyzer sensor

Luiz Poffo; Pierre Lemaître-Auger; Philippe Benech; Pierre Benech

doi:10.1117/12.810802

9 February 2009 Integrated acousto-optic polarization analyzer sensor

Luiz Poffo, Pierre Lemaître-Auger, Philippe Benech, Pierre Benech

Proceedings Volume 7218, Integrated Optics: Devices, Materials, and Technologies XIII; 72181B (2009) https://doi.org/10.1117/12.810802
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

Ion-exchange in glass substrate has long been an enabling technology for optical waveguides device manufacturing. Thus, in the last years, hybridization of ion-exchanged glass waveguides components has become a promising method for functional integration. In that context, we propose a Integrated acousto-optic Polarization Analyzer Sensor (IPAS) made by ion-exchange in a glass substrate. The IPAS consists in two Y-junctions that give three different outputs. The first one is simply one output waveguides of the first Y-junction. The two other outputs are the waveguides following the second Y-junction. A piezoelectric plate is placed over the entrance waveguide of the second Y-junction. It creates an artificial anisotropy when it is excited electrically. For each one of the three output signals, a polarizer is inserted between the waveguide's end and a photodetector. The IPAS is a compact hybrid realization insensitive to vibrations and easy to realize. It is capable to determine, with adequate signal processing, the polarization state of a light beam. Experimental results are obtained with a single buried straight waveguide made by low birefringence Ag⁺↔Na⁺ ion-exchange. The measured polarization state is compared with a commercial polarization analyzer.

Citation Download Citation

Luiz Poffo, Pierre Lemaître-Auger, Philippe Benech, and Pierre Benech "Integrated acousto-optic polarization analyzer sensor", Proc. SPIE 7218, Integrated Optics: Devices, Materials, and Technologies XIII, 72181B (9 February 2009); https://doi.org/10.1117/12.810802

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