Broadband mode converter

The present invention relates to mode converters. A mode converter for converting an optical signal from a first propagation mode (e.g., LP) to a second propagation mode (e.g., LP). The mode converter includes a first waveguide supporting a first mode of propagation. The mode converter also includes...

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Bibliographic Details
Main Authors Huang, Lin, Judkins, Justin Boyd
Format Patent
LanguageEnglish
Published 30.09.2003
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Summary:The present invention relates to mode converters. A mode converter for converting an optical signal from a first propagation mode (e.g., LP) to a second propagation mode (e.g., LP). The mode converter includes a first waveguide supporting a first mode of propagation. The mode converter also includes a second waveguide supporting a second mode of propagation. The first and second waveguides each having a group index characteristic, wherein the first group index characteristic is matched with the second group index characteristic such that electromagnetic energy propagating through the first waveguide at the first mode couples to the second waveguide at the second mode.