Fabrication-tolerant integrated polarisation splitter based on cascaded Mach - Zehnder interferometers

We report a fabrication-tolerant polarisation splitter based on cascaded Mach - Zehnder interferometers. This configuration enables a factor of 2 - 3 increase (at the level) in the tolerance to the phase difference in comparison with a single interferometer. As an example, we present numerical simul...

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Veröffentlicht in:	Quantum electronics (Woodbury, N.Y.) N.Y.), 2013-01, Vol.43 (12), p.1154-1158
Hauptverfasser:	Koshelev, A.Yu, Goltsov, A.Yu
Format:	Artikel
Sprache:	eng
Schlagworte:	beam propagation method (BPM) Channels COMPARATIVE EVALUATIONS Computer simulation COMPUTERIZED SIMULATION Deviation integrated optics Interferometers Mach − Zehnder interferometer MACH-ZEHNDER INTERFEROMETER Mach-Zehnder interferometers Mathematical models Noise levels Phase shift PHYSICS OF ELEMENTARY PARTICLES AND FIELDS polarisation splitter POLARIZATION silicon nitride SILICON NITRIDES WAVEGUIDES
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container_end_page	1158
container_issue	12
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container_title	Quantum electronics (Woodbury, N.Y.)
container_volume	43
creator	Koshelev, A.Yu Goltsov, A.Yu
description	We report a fabrication-tolerant polarisation splitter based on cascaded Mach - Zehnder interferometers. This configuration enables a factor of 2 - 3 increase (at the level) in the tolerance to the phase difference in comparison with a single interferometer. As an example, we present numerical simulation of a splitter with a centre wavelength of , based on a planar waveguide from . The permissible channel waveguide width deviation from calculation results ( extinction coefficient bandwidth) is for the TE polarisation and for the TM polarisation.
doi_str_mv	10.1070/QE2013v043n12ABEH015300
format	Article
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This configuration enables a factor of 2 - 3 increase (at the level) in the tolerance to the phase difference in comparison with a single interferometer. As an example, we present numerical simulation of a splitter with a centre wavelength of , based on a planar waveguide from . The permissible channel waveguide width deviation from calculation results ( extinction coefficient bandwidth) is for the TE polarisation and for the TM polarisation.</abstract><cop>United States</cop><pub>Turpion Ltd and the Russian Academy of Sciences</pub><doi>10.1070/QE2013v043n12ABEH015300</doi><tpages>5</tpages></addata></record>
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subjects	beam propagation method (BPM) Channels COMPARATIVE EVALUATIONS Computer simulation COMPUTERIZED SIMULATION Deviation integrated optics Interferometers Mach − Zehnder interferometer MACH-ZEHNDER INTERFEROMETER Mach-Zehnder interferometers Mathematical models Noise levels Phase shift PHYSICS OF ELEMENTARY PARTICLES AND FIELDS polarisation splitter POLARIZATION silicon nitride SILICON NITRIDES WAVEGUIDES
title	Fabrication-tolerant integrated polarisation splitter based on cascaded Mach - Zehnder interferometers
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