Applied Sciences (Dec 2019)

Hybrid External Cavity Laser with an Amorphous Silicon-Based Photonic Crystal Cavity Mirror

  • Simone Iadanza,
  • Chinna Devarapu,
  • Alexandros Liles,
  • Robert Sheehan,
  • Liam O’Faoláin

DOI
https://doi.org/10.3390/app10010240
Journal volume & issue
Vol. 10, no. 1
p. 240

Abstract

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The authors present results on the performance of a hybrid external cavity photonic crystal laser-comprising semiconductor optical amplifier, and a 2D photonic crystal cavity fabricated in low-temperature amorphous silicon. The authors demonstrate that lithographic control over amorphous silicon photonic crystal cavity-resonant wavelengths is possible, and that single-mode lasing at optical telecommunications wavelengths is possible on an amorphous silicon platform.

Keywords