Room Temperature Lasing of Multi-Stage Quantum-Cascade Lasers at 8 μm Wavelength

A. V. Babichev; A. G. Gladyshev; A. S. Kurochkin; E. S. Kolodeznyi; G. S. Sokolovskii; V. E. Bougrov; L. Ya. Karachinsky; I. I. Novikov; A. G. Bousseksou; A. Yu. Egorov

doi:10.1134/S1063782618080031

Room Temperature Lasing of Multi-Stage Quantum-Cascade Lasers at 8 μm Wavelength

作者: Babichev A.V.¹^,2, Gladyshev A.G.², Kurochkin A.S.¹, Kolodeznyi E.S.¹, Sokolovskii G.S.¹^,3^,4, Bougrov V.E.¹, Karachinsky L.Y.¹^,2^,3, Novikov I.I.¹^,2^,3, Bousseksou A.G.⁵, Egorov A.Y.¹
隶属关系:
1. ITMO University
2. Connector Optics LLC
3. Ioffe Institute
4. Saint Petersburg Electrotechnical University “LETI”
5. Center of Nanoscience and Nanotechnology (C2N)
期: 卷 52, 编号 8 (2018)
页面: 1082-1085
栏目: Physics of Semiconductor Devices
URL: https://bakhtiniada.ru/1063-7826/article/view/203935
DOI: https://doi.org/10.1134/S1063782618080031
ID: 203935

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Room-temperature lasing at a wavelength of 8 μm in multistage quantum-cascade lasers pumped by current pulses is demonstrated. A quantum-cascade laser heterostructure based on the In_0.53Ga_0.47As/A_l0.48In_0.52As alloy heteropair, matched to an InP substrate, is grown by molecular-beam epitaxy and consists of 50 identical cascades placed in a waveguide with air as the top cladding. A threshold current density of ~5.1 kA/cm² at a temperature of 300 K is obtained in ridge lasers with a cavity length of 1.4 mm and a ridge width of 24 μm.

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Room Temperature Lasing of Multi-Stage Quantum-Cascade Lasers at 8 μm Wavelength

全文:

详细

作者简介

A. Babichev

A. Gladyshev

A. Kurochkin

E. Kolodeznyi

G. Sokolovskii

V. Bougrov

L. Karachinsky

I. Novikov

A. Bousseksou

A. Egorov

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