Turn-on Dynamics of Quantum Cascade Lasers with a Wavelength of 8100 nm at Room Temperature

V. V. Dudelev; S. N. Losev; V. Yu. Myl’nikov; A. V. Babichev; E. A. Kognovitskaya; S. O. Slipchenko; A. V. Lyutetskii; N. A. Pikhtin; A. G. Gladyshev; L. Ya. Karachinsky; I. I. Novikov; A. Yu. Egorov; V. I. Kuchinskii; G. S. Sokolovskii

doi:10.1134/S1063784218110087

Turn-on Dynamics of Quantum Cascade Lasers with a Wavelength of 8100 nm at Room Temperature

Authors: Dudelev V.V.¹^,2, Losev S.N.¹, Myl’nikov V.Y.¹, Babichev A.V.¹, Kognovitskaya E.A.³, Slipchenko S.O.¹, Lyutetskii A.V.¹, Pikhtin N.A.¹, Gladyshev A.G.⁴, Karachinsky L.Y.²^,4, Novikov I.I.²^,4, Egorov A.Y.², Kuchinskii V.I.¹, Sokolovskii G.S.¹^,2
Affiliations:
1. Ioffe Institute,
2. ITMO University
3. Saint Petersburg Electrotechnical University LETI
4. Connector Optics Co.
Issue: Vol 63, No 11 (2018)
Pages: 1656-1658
Section: Optics
URL: https://journals.rcsi.science/1063-7842/article/view/202327
DOI: https://doi.org/10.1134/S1063784218110087
ID: 202327

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Abstract

Lasing of quantum cascade lasers is demonstrated at a radiation wavelength of 8100 nm at room temperature. Analysis of oscillograms of optical pulses is used to determine dependence of mean and peak radiation intensities on current. A delay of turn-on of quantum cascade lasers is experimentally estimated at a level of two times higher than the lasing threshold to be greater than theoretically estimated delay by several orders of magnitude.