A high-tolerance-multi-step-long-period diffraction grating for InP/SiPh integrated lasers
Masahiro Matsuura,
Masakazu Takabayashi,
Satoshi Nishikawa
et al.
Abstract:We present a high-tolerance multi-step-long-period diffraction grating (MSLP-DG) for the integration of III-V and silicon photonics (SiPh). The MSLP-DG can be easily fabricated on III-V chips and enables efficient emission of diffraction light from the facet of III-V chips through its multi-step and long-period structure. An optical coupling is achieved by combining III-V chips with MSLP-DG and SiPh chips with conventional diffraction gratings. Compared with the direct butt-coupling scheme between waveguides, … Show more
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