Hybrid Quantum Cascade Lasers on Silicon-on-Sapphire

Abstract

All project goals have been achieved: I. Quantum cascade lasers (QCLs) for lambda ~ 4.5 micron operation have been designed, grown, fabricated, and tested. II. Fabricated QCLs were epi-transferred to the silicon-on-sapphire (SOS) platform using approximately 250-nm-thick SU-8 adhesive layer. QCL-on-SOS devices were fabricated and tested. QCL-to-SOS mode coupler based on tapered waveguide was designed. III. Mode-coupled QCL on SOS were fabricated. Room-temperature operation of QCL-on-SOS was successfully demonstrated. Mid-IR light coupling to the SOS waveguide was experimentally confirmed.

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Document Details

Document Type
Technical Report
Publication Date
Nov 23, 2016
Accession Number
AD1038842

Entities

People

  • Mikhail A. Belkin

Organizations

  • University of Texas at Austin

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Adhesives
  • Couplings
  • Current Density
  • Department Of Defense
  • Electron Microscopes
  • Emission Spectra
  • Engineering
  • Far Field
  • Frequency Combs
  • Lasers
  • Microscopes
  • Photonics
  • Quantum Cascade Lasers
  • Scanning Electron Microscopes
  • Simulations
  • Spectra
  • Students

Fields of Study

  • Physics

Readers

  • Optical Physics and Photonics.
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.
  • Semiconductor Device Technology

Technology Areas

  • Directed Energy
  • Quantum Computing