Quantum-Cascade Lasers Generating at the 4.8-μm Wavelength at Room Temperature
- Authors: Mamutin V.V.1, Vasil’ev A.P.1, Lyutetskii A.V.1, Il’inskaya N.D.1, Usikova A.A.1, Zadiranov Y.M.1, Maleev N.A.1, Sofronov A.N.2, Firsov D.A.2, Vorob’ev L.E.2, Ustinov V.M.1
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Affiliations:
- Ioffe Physical Technical Institute
- Peter the Great St. Petersburg Polytechnic University
- Issue: Vol 44, No 9 (2018)
- Pages: 814-816
- Section: Article
- URL: https://journals.rcsi.science/1063-7850/article/view/207906
- DOI: https://doi.org/10.1134/S1063785018090249
- ID: 207906
Cite item
Abstract
We report on room-temperature generation at the 4.8-μm wavelength in a lattice-matched structure of a quantum cascade laser (QCL) grown on indium phosphide (InP) substrate. Laser heterostructures grown by molecular beam epitaxy (MBE) comprised 30 cascades and were designed to generate at the 4.80 μm wavelength corresponding to an atmospheric transparency window. Experiments demonstrated effective lasing at temperatures from 80 to 300 K on a wavelength coinciding with the calculated value, which confirmed the high quality of interfaces, high precision of layer thicknesses, and high accuracy of active region doping.
About the authors
V. V. Mamutin
Ioffe Physical Technical Institute
Author for correspondence.
Email: mamutin@mail.ru
Russian Federation, St. Petersburg, 194021
A. P. Vasil’ev
Ioffe Physical Technical Institute
Email: mamutin@mail.ru
Russian Federation, St. Petersburg, 194021
A. V. Lyutetskii
Ioffe Physical Technical Institute
Email: mamutin@mail.ru
Russian Federation, St. Petersburg, 194021
N. D. Il’inskaya
Ioffe Physical Technical Institute
Email: mamutin@mail.ru
Russian Federation, St. Petersburg, 194021
A. A. Usikova
Ioffe Physical Technical Institute
Email: mamutin@mail.ru
Russian Federation, St. Petersburg, 194021
Yu. M. Zadiranov
Ioffe Physical Technical Institute
Email: mamutin@mail.ru
Russian Federation, St. Petersburg, 194021
N. A. Maleev
Ioffe Physical Technical Institute
Email: mamutin@mail.ru
Russian Federation, St. Petersburg, 194021
A. N. Sofronov
Peter the Great St. Petersburg Polytechnic University
Email: mamutin@mail.ru
Russian Federation, St. Petersburg, 195251
D. A. Firsov
Peter the Great St. Petersburg Polytechnic University
Email: mamutin@mail.ru
Russian Federation, St. Petersburg, 195251
L. E. Vorob’ev
Peter the Great St. Petersburg Polytechnic University
Email: mamutin@mail.ru
Russian Federation, St. Petersburg, 195251
V. M. Ustinov
Ioffe Physical Technical Institute
Email: mamutin@mail.ru
Russian Federation, St. Petersburg, 194021