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Title: Novel type-II material system for laser applications in the near-infrared regime

The design and experimental realization of a type-II “W”-multiple quantum well heterostructure for emission in the λ > 1.2 μm range is presented. The experimental photoluminescence spectra for different excitation intensities are analyzed using microscopic quantum theory. On the basis of the good theory–experiment agreement, the gain properties of the system are computed using the semiconductor Bloch equations. Gain values comparable to those of type-I systems are obtained.
Authors:
; ; ; ; ;  [1] ;  [2] ; ;  [3]
  1. Department of Physics and Material Sciences Center, Philipps-Universität Marburg, Renthof 5, 35032 Marburg (Germany)
  2. NAsP_I_I_I_/_V GmbH, Am Knechtacker 19, 35041 Marburg (Germany)
  3. Nonlinear Control Strategies Inc, 3542 N. Geronimo Ave., Tucson, AZ 85705 (United States)
Publication Date:
OSTI Identifier:
22488527
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Advances; Journal Volume: 5; Journal Issue: 4; Other Information: (c) 2015 Author(s); Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; BLOCH EQUATIONS; COMPARATIVE EVALUATIONS; DESIGN; EXCITATION; LASERS; PHOTOLUMINESCENCE; QUANTUM WELLS; SEMICONDUCTOR MATERIALS; SPECTRA