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TE/TM mode splitters on InGaAsP/InP

In a monolithic heterodyne polarization diversity receiver, mode splitters which effectively separate the TE and TM polarization of the optical wave are required. For this purpose, a directional coupler which utilizes a metal cladding on one of its branches to separate both polarizations was investi...

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Published in:	IEEE photonics technology letters 1990-02, Vol.2 (2), p.114-115
Main Authors:	Albrecht, P., Hamacher, M., Heidrich, H., Hoffmann, D., Nolting, H., Weinert, C.M.
Format:	Article
Language:	English
Subjects:	360603 - Materials- Properties 426002 - Engineering- Lasers & Masers- (1990-) 440600 - Optical Instrumentation- (1990-) ARSENIC COMPOUNDS ARSENIDES CONTROL ENGINEERING GALLIUM ARSENIDES GALLIUM COMPOUNDS INDIUM ARSENIDES INDIUM COMPOUNDS Indium phosphide INDIUM PHOSPHIDES MATERIALS SCIENCE Metallization MODE CONTROL Optical crosstalk Optical mixing Optical polarization OPTICAL PROPERTIES Optical receivers Optical refraction OPTICAL SYSTEMS Optical variables control Optical waveguides OTHER INSTRUMENTATION PHOSPHIDES PHOSPHORUS COMPOUNDS PHYSICAL PROPERTIES PNICTIDES POLARIZATION WAVEGUIDES
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creator	Albrecht, P. Hamacher, M. Heidrich, H. Hoffmann, D. Nolting, H. Weinert, C.M.
description	In a monolithic heterodyne polarization diversity receiver, mode splitters which effectively separate the TE and TM polarization of the optical wave are required. For this purpose, a directional coupler which utilizes a metal cladding on one of its branches to separate both polarizations was investigated. The polarization splitters can act in two distinct modes of operation, depending on the degree of lateral confinement of the optical rib waveguide before an asymmetric coupler. For weak confinement, the metallized waveguide is guiding for TE- but nonguiding for TM-polarization, and negligible TM-crosstalk results.< >
doi_str_mv	10.1109/68.47064
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For this purpose, a directional coupler which utilizes a metal cladding on one of its branches to separate both polarizations was investigated. The polarization splitters can act in two distinct modes of operation, depending on the degree of lateral confinement of the optical rib waveguide before an asymmetric coupler. For weak confinement, the metallized waveguide is guiding for TE- but nonguiding for TM-polarization, and negligible TM-crosstalk results.< ></abstract><cop>United States</cop><pub>IEEE</pub><doi>10.1109/68.47064</doi><tpages>2</tpages></addata></record>
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source	IEEE Xplore (Online service)
subjects	360603 - Materials- Properties 426002 - Engineering- Lasers & Masers- (1990-) 440600 - Optical Instrumentation- (1990-) ARSENIC COMPOUNDS ARSENIDES CONTROL ENGINEERING GALLIUM ARSENIDES GALLIUM COMPOUNDS INDIUM ARSENIDES INDIUM COMPOUNDS Indium phosphide INDIUM PHOSPHIDES MATERIALS SCIENCE Metallization MODE CONTROL Optical crosstalk Optical mixing Optical polarization OPTICAL PROPERTIES Optical receivers Optical refraction OPTICAL SYSTEMS Optical variables control Optical waveguides OTHER INSTRUMENTATION PHOSPHIDES PHOSPHORUS COMPOUNDS PHYSICAL PROPERTIES PNICTIDES POLARIZATION WAVEGUIDES
title	TE/TM mode splitters on InGaAsP/InP
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