DocumentCode :
1335585
Title :
All-Optical Flip-Flop Operation at 1-mA Bias Current in Polarization Bistable Vertical-Cavity Surface-Emitting Lasers With an Oxide Confinement Structure
Author :
Katayama, Takeo ; Yanai, Akio ; Yukawa, Kouhei ; Hattori, Satoshi ; Ikeda, Kazuhiro ; Koh, Shinji ; Kawaguchi, Hitoshi
Author_Institution :
Grad. Sch. of Mater. Sci., Nara Inst. of Sci. & Technol., Nara, Japan
Volume :
23
Issue :
23
fYear :
2011
Firstpage :
1811
Lastpage :
1813
Abstract :
Polarization bistable vertical-cavity surface-emitting lasers (VCSELs) with an oxidation confinement structure were fabricated for low power consumption operation. Threshold current of the VCSEL was reduced to 0.22 mA. The VCSEL operated in a single longitudinal and transverse mode and in one of two orthogonal linear polarization modes. All-optical flip-flop operation based on polarization bistability was achieved at a record low bias current of 1.15 mA, which is about one tenth of our previously developed polarization bistable VCSEL without a current confinement structure.
Keywords :
flip-flops; laser stability; light polarisation; optical logic; semiconductor lasers; surface emitting lasers; all optical flip flop operation; current 1 mA; low power consumption; orthogonal linear polarization modes; oxide confinement structure; polarization bistable; record low bias current; threshold current; vertical cavity surface emitting lasers; Flip-flops; Optical switches; Oxidation; Power generation; Threshold current; Vertical cavity surface emitting lasers; Flip-flops; optical bistability; optical polarization; vertical-cavity surface-emitting lasers (VCSELs);
fLanguage :
English
Journal_Title :
Photonics Technology Letters, IEEE
Publisher :
ieee
ISSN :
1041-1135
Type :
jour
DOI :
10.1109/LPT.2011.2169778
Filename :
6030918
Link To Document :
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