Vertical-Cavity Surface-Emitting 1.55-μm Lasers Fabricated by Fusion
A. V. Babichev , L. Ya. Karachinskii , I. I. Novikov , A. G. Gladyshev , S. A. Blokhin , S. Mikhailov , V. Iakovlev , A. Sirbu , Grzegorz Stępniak , Łukasz Chorchos , Jarosław Piotr Turkiewicz , K. O. Voropaev , A. S. Ionov , M. Agustin , Nikolay N. Ledentsov , A. Yu. Egorov
AbstractThe results of studies on fabrication of vertical-cavity surface-emitting 1.55-μm lasers by fusing AlGaAs/GaAs distributed-Bragg-reflector wafers and an active region based on thin In0.74Ga0.26As quantum wells grown by molecular-beam epitaxy are presented. Lasers with a current aperture diameter of 8 μm exhibit continuous lasing with a threshold current below 1.5 mA, an output optical power of 6 mW, and an efficiency of approximately 22%. Single-mode lasing with a side-mode suppression ratio of 40–45 dB is observed in the entire operating current range. The effective modulation frequency of these lasers is as high as 9 GHz and is limited by the low parasitic cutoff frequency and self-heating.
|Journal series||Technical Physics Letters, ISSN 1063-7850, (A 15 pkt)|
|Publication size in sheets||0.5|
|Score|| = 15.0, 22-11-2018, ArticleFromJournal|
= 15.0, 22-11-2018, ArticleFromJournal
|Publication indicators||: 2016 = 1.006; : 2017 = 0.808 (2) - 2017=0.699 (5)|
|Citation count*||1 (2019-01-16)|
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.