Multimode interference switch design with loose manufacturing tolerance
Identifieur interne : 00A910 ( Main/Repository ); précédent : 00A909; suivant : 00A911Multimode interference switch design with loose manufacturing tolerance
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Abstract
We present a design and simulations for a low power consumption, low manufacturing tolerance optical switch for integrated photonic lightwave circuits (PLC). The design is applicable to all material platforms, including silicon, lithium niobate, indium phosphide, glass, polymer, sol-gel, and gallium arsenide, just to name a few. The mechanism is one that functions by altering the index of refraction in the multimode slab region of a multimode interference splitter via the thermo-optic or electro-optic effect. The design is unique in that the electrodes are distributed to maintain multimode behavior, which 1. renders the device easy to manufacture via very loose tolerances, and 2. allows the multiple modes to vary adiabatically so as to maintain efficient optical power switching. The power consumption is only about four times higher than that of a Mach-Zehnder interferometer switch, and it requires much less tolerance in manufacturing. © 2004 Society of Photo-Optical Instrumentation Engineers.
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Pridmore</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Waveguide Solutions, 6125 Lakeview Road, Suite 200, Charlotte, North Carolina 28269</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country xml:lang="fr">États-Unis</country><placeName><region type="state">Caroline du Nord</region></placeName><wicri:cityArea>Waveguide Solutions, 6125 Lakeview Road, Suite 200, Charlotte</wicri:cityArea></affiliation></author><author><name sortKey="Farahi, Faramarz" uniqKey="Farahi F">Faramarz Farahi</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Waveguide Solutions, 6125 Lakeview Road, Suite 200, Charlotte, North Carolina 28269</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country xml:lang="fr">États-Unis</country><placeName><region type="state">Caroline du Nord</region></placeName><wicri:cityArea>Waveguide Solutions, 6125 Lakeview Road, Suite 200, Charlotte</wicri:cityArea></affiliation></author></titleStmt><publicationStmt><idno type="inist">04-0076278</idno><date when="2004-01">2004-01</date><idno type="stanalyst">PASCAL 04-0076278 AIP</idno><idno type="RBID">Pascal:04-0076278</idno><idno type="wicri:Area/Main/Corpus">00BF87</idno><idno type="wicri:Area/Main/Repository">00A910</idno></publicationStmt><seriesStmt><idno type="ISSN">0091-3286</idno><title level="j" type="abbreviated">Opt. eng.</title><title level="j" type="main">Optical engineering</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Computerized simulation</term><term>Electro-optical switches</term><term>Electrodes</term><term>Instrumentation</term><term>Integrated optoelectronics</term><term>Optical beam splitters</term><term>Optical design techniques</term><term>Refractive index</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>4265P</term><term>4282B</term><term>4279T</term><term>4279F</term><term>Appareillage</term><term>Simulation ordinateur</term><term>Commutateur électrooptique</term><term>Optoélectronique intégrée</term><term>Séparateur faisceau optique</term><term>Indice réfraction</term><term>Electrode</term><term>Technique conception optique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We present a design and simulations for a low power consumption, low manufacturing tolerance optical switch for integrated photonic lightwave circuits (PLC). The design is applicable to all material platforms, including silicon, lithium niobate, indium phosphide, glass, polymer, sol-gel, and gallium arsenide, just to name a few. The mechanism is one that functions by altering the index of refraction in the multimode slab region of a multimode interference splitter via the thermo-optic or electro-optic effect. The design is unique in that the electrodes are distributed to maintain multimode behavior, which 1. renders the device easy to manufacture via very loose tolerances, and 2. allows the multiple modes to vary adiabatically so as to maintain efficient optical power switching. 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