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Quantum Dot Lasers$
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Victor M. Ustinov, Alexey E. Zhukov, Anton Yu. Egorov, and Nikolai A. Maleev

Print publication date: 2003

Print ISBN-13: 9780198526797

Published to Oxford Scholarship Online: January 2010

DOI: 10.1093/acprof:oso/9780198526797.001.0001

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Quantum dot vertical-cavity surface-emitting lasers

Quantum dot vertical-cavity surface-emitting lasers

(p.226) 8 Quantum dot vertical-cavity surface-emitting lasers
Quantum Dot Lasers

Victor M. Ustinov

Alexey E. Zhukov

Anton Yu. Egorov

Nikolai A. Maleev

Oxford University Press

This chapter discusses the fabrication and performance of QD vertical-cavity surface-emitting lasers (VCSELs) as well as their possible applications. The physical fundamentals of optical microcavities and VCSELs are briefly reviewed. Some fundamental issues and specific features of QD VCSEL design and fabrication are considered. Specifically, scalability properties of QD VCSELs in comparison with quantum well structures are discussed. The effects of realistic (existing) QD active media on VCSEL design are examined. A technique of selective wet oxidation of AlGaAs alloys is described, and its use in QD VCSEL technology is justified. The current status of QD VCSELs is presented, and their possible device applications are also discussed. Advantages of InGaAs quantum dots for GaAs-based long-wavelength VCSELs are considered.

Keywords:   microcavity, surface-emitting lasers, quantum dot VCSEL, selective oxidation

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