The University of Southampton

SiGe quantum well infrared photodetectors

Date:
2001-
Themes:
Photovoltaics and Energy, Quantum Electronics and Spintronics

As the range and scope of thermal imaging and sensing applications expand quantum well infrared photodetectors (QWIPs) are emerging as a new and important technology. The best known and most widely discussed are the n-type devices based on GaAs/AlGaAs. The combined promise of normal incidence detection, a route to integration and the potential for far-infrared ( >20 micron) detection, with Si/SiGe quantum well and quantum dot infrared photodetectors (QDIPS), provides the motivation behind this challenging projects that will develop SiGe epitaxy still further.

Primary investigator

Secondary investigators

  • Neil Lloyd
  • Phansak Iamraksa

Partners

  • Prof. P. Harrison, EEE, Leeds University
  • Dr M. Halsall, UMIST/Manchester

Associated research groups

  • Nano Research Group
  • Southampton Nanofabrication Centre
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