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The Mbe Growth of Widegap II-VI Injection Lasers and LEDs

Published online by Cambridge University Press:  25 February 2011

W. Xie ,
D.C. Grillo ,
M. Kobayashi ,
R. L. Gunshor ,
H. Jeon ,
J. Ding ,
A. V. Nurmikko ,
G. C. Hua  and
N. Otsuka
W. Xie
Affiliation:
School of Electrical Engineering, Purdue University, West Lafayette, IN 47907
D.C. Grillo
Affiliation:
School of Electrical Engineering, Purdue University, West Lafayette, IN 47907
M. Kobayashi
Affiliation:
School of Electrical Engineering, Purdue University, West Lafayette, IN 47907
R. L. Gunshor
Affiliation:
School of Electrical Engineering, Purdue University, West Lafayette, IN 47907
H. Jeon
Affiliation:
Division of Engineering and Department of Physics, Brown University, Providence, RI 02912
J. Ding
Affiliation:
Division of Engineering and Department of Physics, Brown University, Providence, RI 02912
A. V. Nurmikko
Affiliation:
Division of Engineering and Department of Physics, Brown University, Providence, RI 02912
G. C. Hua
Affiliation:
School of Materials Engineering, Purdue University, West Lafayette, IN 47907
N. Otsuka
Affiliation:
School of Materials Engineering, Purdue University, West Lafayette, IN 47907
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Abstract

Striking progress in the development of II-VI semiconductor heterostructures, coupled with seminal advances in doping, has very recently led to the first demonstration of blue and blue/green diode lasers operating from cryogenic to room temperature. The active region in these devices was based on the (Zn, Cd)Se/ZnSe multiple quantum wells (MQW) which had earlier been actively studied as a candidate for laser medium by optical pumping techniques. We report on the performance of such MQW diode lasers with emphasis on structural versatility in terms of preparation on both p-type and n-type GaAs substrates, and where sulfur is or is not incorporated for blue/green color lasing. In this work we have obtained pulsed, high power, high quantum efficiency laser emission up to near room temperature conditions. Efficient LED devices are described which operate in the blue (494nm) at room temperature.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 242: Symposium G – Wide Band-Gap Semiconductors , 1992 , 203
Copyright
Copyright © Materials Research Society 1992

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References

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