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- Title
Room Temperature Lasing of Single-Mode Arched-Cavity Quantum-Cascade Lasers.
- Authors
Babichev, A. V.; Gladyshev, A. G.; Kurochkin, A. S.; Dudelev, V. V.; Kolodeznyi, E. S.; Sokolovskii, G. S.; Bugrov, V. E.; Karachinsky, L. Ya.; Novikov, I. I.; Denisov, D. V.; Ionov, A. S.; Slipchenko, S. O.; Lyutetskii, A. V.; Pikhtin, N. A.; Egorov, A. Yu.
- Abstract
Single-mode lasing at room temperature in quantum-cascade lasers (QCLs) with arched cavity design has been demonstrated. The output optical power in single-mode lasing regime at ~7.7-μm lasing wavelength was above 6 mW with a side-mode suppression ratio of up to 25 dB. The QCL heterostructure for the arched cavities was grown by molecular-beam epitaxy (MBE) based on a heterojunction of In0.53Ga0.47As/Al0.48In0.52As solid alloys, lattice-matched with InP substrate, and InP layers performing the function of waveguide claddings.
- Subjects
ACTIVE medium; LASERS; TEMPERATURE; EPITAXY; HETEROJUNCTIONS; QUANTUM cascade lasers; ALLOYS
- Publication
Technical Physics Letters, 2019, Vol 45, Issue 4, p398
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/S1063785019040205