Final published version
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Article number | 93700A |
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<mark>Journal publication date</mark> | 8/02/2015 |
<mark>Journal</mark> | Proceedings of SPIE |
Volume | 9370 |
Number of pages | 6 |
Publication Status | Published |
<mark>Original language</mark> | English |
Event | Quantum Sensing and Nanophotonic Devices XII - San Francisco, United States Duration: 8/02/2015 → 12/02/2015 |
Conference | Quantum Sensing and Nanophotonic Devices XII |
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Country/Territory | United States |
City | San Francisco |
Period | 8/02/15 → 12/02/15 |
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.