Simple model for polarization sensitivity of silica waveguide Mach-Zehnder interferometer

We propose a model for polarization response of Mach-Zehnder interferometer (MZI). Our model explains in particular the phase shift between two polarization states with low power applied to thermooptical heaters. We reproduce test results and, based on the model, propose ways to reduce the polarizat...

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Veröffentlicht in:	IEEE photonics technology letters 2005-10, Vol.17 (10), p.2116-2118
Hauptverfasser:	Heise, G., Narevich, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Arm Attenuators Birefringence Devices Gratings Heaters Heating equipment Mach-Zehnder interferometers Optical attenuators Optical interferometry Optical phase shifters Optical polarization Optical sensors Optical waveguides Page description languages Phase shift Photonics planar waveguides Polarization Silicon compounds waveguide junctions
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Beschreibung
Zusammenfassung:	We propose a model for polarization response of Mach-Zehnder interferometer (MZI). Our model explains in particular the phase shift between two polarization states with low power applied to thermooptical heaters. We reproduce test results and, based on the model, propose ways to reduce the polarization sensitivity of MZI-based devices such as variable optical attenuators.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2005.854342