Wide passband wavelength multi/demultiplexer at 1.3/1.55 μm based on etched Fresnel mirror

J. Aarnio, P. Heimala, I. Stuns

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    Abstract

    The design, fabrication and analysis of the performance of an integrated optical wide passband multi/demultiplexer at 1.3 μm and 1.55 μm are presented. The device uses a large angle of incidence totally reflecting Fresnel mirror with average grating period of 44 μm to separate the wavelengths. The multi/demultiplexer is fabricated both on quartz and on silicon substrates using silica-based waveguide technology. The 3-dB passbands exceed 60 nm with crosstalk below -20 dB.

    Original languageEnglish
    Pages (from-to)228-236
    Number of pages9
    JournalIEE proceedings. Part J, Optoelectronics
    Volume139
    Issue number3
    DOIs
    Publication statusPublished - 1 Jan 1992
    MoE publication typeNot Eligible

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