Quantum-Cascade Lasers Generating at the 4.8-μm Wavelength at Room Temperature


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Аннотация

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.

Авторлар туралы

V. Mamutin

Ioffe Physical Technical Institute

Хат алмасуға жауапты Автор.
Email: mamutin@mail.ru
Ресей, St. Petersburg, 194021

A. Vasil’ev

Ioffe Physical Technical Institute

Email: mamutin@mail.ru
Ресей, St. Petersburg, 194021

A. Lyutetskii

Ioffe Physical Technical Institute

Email: mamutin@mail.ru
Ресей, St. Petersburg, 194021

N. Il’inskaya

Ioffe Physical Technical Institute

Email: mamutin@mail.ru
Ресей, St. Petersburg, 194021

A. Usikova

Ioffe Physical Technical Institute

Email: mamutin@mail.ru
Ресей, St. Petersburg, 194021

Yu. Zadiranov

Ioffe Physical Technical Institute

Email: mamutin@mail.ru
Ресей, St. Petersburg, 194021

N. Maleev

Ioffe Physical Technical Institute

Email: mamutin@mail.ru
Ресей, St. Petersburg, 194021

A. Sofronov

Peter the Great St. Petersburg Polytechnic University

Email: mamutin@mail.ru
Ресей, St. Petersburg, 195251

D. Firsov

Peter the Great St. Petersburg Polytechnic University

Email: mamutin@mail.ru
Ресей, St. Petersburg, 195251

L. Vorob’ev

Peter the Great St. Petersburg Polytechnic University

Email: mamutin@mail.ru
Ресей, St. Petersburg, 195251

V. Ustinov

Ioffe Physical Technical Institute

Email: mamutin@mail.ru
Ресей, St. Petersburg, 194021

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