Analysis of the Internal Optical Losses of the Vertical-Cavity Surface-Emitting Laser of the Spectral Range of 1.55 µm Formed by a Plate Sintering Technique

S. A. Blokhin; M. A. Bobrov; A. A. Blokhin; A. G. Kuzmenkov; N. A. Maleev; V. M. Ustinov; E. S. Kolodeznyi; S. S. Rochas; A. V. Babichev; I. I. Novikov; A. G. Gladyshev; L. Ya. Karachinsky; D. V. Denisov; K. O. Voropaev; A. S. Ionov; A. Yu. Egorov

doi:10.1134/S0030400X1907004X

Analysis of the Internal Optical Losses of the Vertical-Cavity Surface-Emitting Laser of the Spectral Range of 1.55 µm Formed by a Plate Sintering Technique

Authors: Blokhin S.A.¹, Bobrov M.A.¹, Blokhin A.A.¹^,2, Kuzmenkov A.G.², Maleev N.A.¹, Ustinov V.M.², Kolodeznyi E.S.³, Rochas S.S.³, Babichev A.V.³, Novikov I.I.³, Gladyshev A.G.³, Karachinsky L.Y.¹^,4, Denisov D.V.⁴^,5, Voropaev K.O.⁶^,7, Ionov A.S.⁷, Egorov A.Y.³
Affiliations:
1. Ioffe Physical Technical Institute
2. The Submicron Heterostructures for Microelectronics Research and Engineering Center of the Russian Academy of Sciences
3. ITMO University
4. OOO Connector Optics
5. St. Petersburg Electrotechnical University LETI
6. Yaroslav-the-Wise Novgorod State University
7. OAO OKB-Planeta
Issue: Vol 127, No 1 (2019)
Pages: 140-144
Section: Laser Physics and Laser Optics
URL: https://journal-vniispk.ru/0030-400X/article/view/166045
DOI: https://doi.org/10.1134/S0030400X1907004X
ID: 166045

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Abstract

The results of a study of internal optical losses and current injection efficiency in vertical-emitting lasers of a spectral range of 1.55 µm obtained by sintering plates of high-q Bragg reflectors and the active region on the basis of thin strained InGaAs/InAlGaAs quantum wells have been presented. It has been shown that the proposed design of the laser provides a record low level of internal optical losses (less than 6.5 cm^–1) and high efficiency of current injection (more than 90%) at room temperature, which allows the realization of submilliampere threshold currents. As the temperature rises to 85°C, the current injection efficiency drops to 70% due to the thermal emission of charge carriers from the active region, accompanied by an increase in internal optical losses to 9.1 cm^–1 because of an increase in absorption on free carriers and/or intersubband absorption in the valence band.

Keywords

vertical-cavity surface-emitting laser, quantum well, epitaxial heterostructure

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Analysis of the Internal Optical Losses of the Vertical-Cavity Surface-Emitting Laser of the Spectral Range of 1.55 µm Formed by a Plate Sintering Technique

Full Text

Abstract

Keywords

About the authors

Supplementary files