Experimental demonstration of self-aligned InP/InGaAsP polarization converter for polarization multiplexed photonic integrated circuits

Masaru Zaitsu, Takuo Tanemura, Akio Higo, Yoshiaki Nakano

    Research output: Contribution to journalArticlepeer-review

    37 Citations (Scopus)

    Abstract

    Highly efficient, low-loss, and compact InP/InGaAsP polarization converter based on a half-ridge waveguide structure is fabricated and demonstrated experimentally. The device is fabricated by a simple self-aligned process and integrated with a ridge InP waveguide. Using a 150-μm-long device, we obtain the mode conversion of more than 96% and the on-chip loss of less than 1.0 dB over the broad wavelength range from 1510 to 1575 nm. The experimental results are explained quantitatively using the full-vector eigenmode calculation, which also reveals large fabrication tolerance of the demonstrated device.

    Original languageEnglish
    Pages (from-to)6910-6918
    Number of pages9
    JournalOptics Express
    Volume21
    Issue number6
    DOIs
    Publication statusPublished - 2013 Mar 25

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

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