Optical device with reduced temperature dependence

Optical apparatus with improved center wavelength temperature stability. In an embodiment, an AWG has a plurality of slots inserted along the optical paths. The slots contain one or more compensation materials which collectively correct for an order Q temperature dependency of the AWG base material....

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Bibliographic Details
Main Authors Bulthuis, Hindrick Freerk, Kowalczyk, Tony C, Jubber, Michael G
Format Patent
LanguageEnglish
Published 08.07.2008
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Summary:Optical apparatus with improved center wavelength temperature stability. In an embodiment, an AWG has a plurality of slots inserted along the optical paths. The slots contain one or more compensation materials which collectively correct for an order Q temperature dependency of the AWG base material. Q>=2 or the number of compensation materials is at least 2 or both.