Birefringence compensation applying double-core waveguiding structures

K. Wörhoff, B.J. Offrein, P.V. Lambeck, G.L. Bona, A. Driessen

    Research output: Contribution to journalArticleAcademicpeer-review

    21 Citations (Scopus)

    Abstract

    For application in communication networks, polarization-independent planar optical waveguiding structures are essential, because the polarization state of the optical signal in an optical network is arbitrary. A new concept for polarization-independent waveguides simply adds a thin birefringence-compensating layer, which results in a double-core waveguiding structure. One of the major advantages of the double-core concept is its technological simplicity. The impact of the layer parameters is simulated and the compensating mechanisms are discussed. The feasibility of this concept is demonstrated on waveguides fabricated with silicon oxynitride technology, where the channel birefringence is tuned over a wide range by varying the thickness of the birefringence compensating layer.
    Original languageEnglish
    Pages (from-to)206-208
    Number of pages3
    JournalIEEE photonics technology letters
    Volume11
    Issue number2
    DOIs
    Publication statusPublished - Feb 1999

    Keywords

    • Telecommunication
    • Integrated optics
    • Birefringence compensation
    • Chemical vapor deposition
    • Silicon oxynitride

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