Hybrid vertical-cavity laser with lateral emission into a silicon waveguide

Gyeong Cheol Park, Weiqi Xue, Alireza Taghizadeh, Elizaveta Semenova, Kresten Yvind, Jesper Mørk, Il-Sug Chung

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    Abstract

    We experimentally demonstrate an optically-pumped III-V/Si vertical-cavity laser with lateral emission into a silicon waveguide. This on-chip hybrid laser comprises a distributed Bragg reflector, a III-V active layer, and a high-contrast grating reflector, which simultaneously funnels light into the waveguide integrated with the laser. This laser has the advantages of long-wavelength vertical-cavity surface-emitting lasers, such as low threshold and high side-mode suppression ratio, while allowing integration with silicon photonic circuits, and is fabricated using CMOS compatible processes. It has the potential for ultrahigh-speed operation beyond 100 Gbit/s and features a novel mechanism for transverse mode control.
    Original languageEnglish
    JournalLaser & Photonics Reviews
    Volume9
    Issue number3
    Pages (from-to)L11–L15
    ISSN1863-8880
    DOIs
    Publication statusPublished - 2015

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