Spontaneous Emission and Lasing of a Two-Wavelength Quantum-Cascade Laser

A. V. Babichev; A. G. Gladyshev; A. S. Kurochkin; E. S. Kolodeznyi; V. N. Nevedomskii; L. Ya. Karachinsky; I. I. Novikov; A. N. Sofronov; A. Yu. Egorov

doi:10.1134/S1063782619030023

Spontaneous Emission and Lasing of a Two-Wavelength Quantum-Cascade Laser

Authors: Babichev A.V.¹^,2, Gladyshev A.G.¹^,2, Kurochkin A.S.¹, Kolodeznyi E.S.¹, Nevedomskii V.N.³, Karachinsky L.Y.¹^,2^,3, Novikov I.I.¹^,2^,3, Sofronov A.N.⁴, Egorov A.Y.¹^,2
Affiliations:
1. ITMO University
2. Connector Optics LLC
3. Ioffe Institute
4. Peter the Great St. Petersburg Polytechnic University
Issue: Vol 53, No 3 (2019)
Pages: 345-349
Section: Semiconductor Structures, Low-Dimensional Systems, and Quantum Phenomena
URL: https://journals.rcsi.science/1063-7826/article/view/205854
DOI: https://doi.org/10.1134/S1063782619030023
ID: 205854

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Abstract

The results of experiments on the fabrication (by molecular-beam epitaxy) and investigation of the heterostructures of a two-frequency quantum-cascade laser produced on the basis of a heteropair of In_0.53Ga_0.47As/Al_0.48In_0.52As solid solutions on an InP substrate are presented. The heterostructures contained quantum cascades emitting at a wavelength of 9.6 μm and cascades emitting at a wavelength of 7.6 μm. The high structural quality of the fabricated heterostructures is shown. The spontaneous emission and lasing spectra are investigated and the multimodal laser generation of stripe lasers at a wavelength of 7.6 μm is demonstrated.

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Spontaneous Emission and Lasing of a Two-Wavelength Quantum-Cascade Laser

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