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THz quantum cascade lasers based on a hyperuniform design

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published
  • Riccardo Degl'Innocenti
  • Y. D. Shah
  • L. Masini
  • A. Ronzani
  • A. Pitanti
  • Y. Ren
  • D. S. Jessop
  • A. Tredicucci
  • H. E. Beere
  • D. A. Ritchie
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Article number93700A
<mark>Journal publication date</mark>8/02/2015
<mark>Journal</mark>Proceedings of SPIE
Volume9370
Number of pages6
Publication StatusPublished
<mark>Original language</mark>English
EventQuantum Sensing and Nanophotonic Devices XII - San Francisco, United States
Duration: 8/02/201512/02/2015

Conference

ConferenceQuantum Sensing and Nanophotonic Devices XII
Country/TerritoryUnited States
CitySan Francisco
Period8/02/1512/02/15

Abstract

A terahertz quantum cascade laser has been realized from an isotropic disordered hyperuniform design. Such a system presents a photonic band-gap although it is characterized by an efficient depletion of the long range order. Hyperuniform patterns allow greater versatility in engineering band gaps in comparison to standard photonic-crystal materials. Bidimensional hyperuniform patterns were simulated for hexagonal tiles composed of high refractive index disks merged in a low dielectric constant polymeric matrix. Based on this design, quantum cascade lasers were fabricated by standard photolithography, metal evaporation, lift-off and dry-etching techniques in a half-stack bound to continuum active region emitting around 2.9 THz.