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Prof. Gamani Karunasiri



Prof. Kevin B. Smith

Associate Chairs:


Prof. Dick Harkins


Prof. Joseph Hooper

Contact Us:

Department of Physics
Spanagel Hall, Room 203
833 Dyer Road
Monterey, CA 93943-5216
(831) 656-2145
DSN: 756-2145

Curriculum Sponsor


Mission Statement

Gamani Karunasiri
Professor of Physics
Ph.D. Physics, U. of Pittsburgh, 1984

Dr. Karunasiri joined the faculty of NPS in 2000.  He conducts research in multicolor infrared detectors, uncooled infrared sensors, and semiconductor sensors which mimic biological vision systems. Prof Karunasiri has published over 70 journal papers and holds two patents. He held the Andrew Mellon Predoctoral Fellowship from the University of Pittsburgh and won Teaching Honors Awards from the National University of Singapore. Prof. Karunasiri has advised 3 Ph.D. and over 15 M.S. students. He is a member the Institute of Electrical and Electronic Engineers (IEEE).

Phone: 831-656-2886, Email:

Gamani Karunasiri
Mail Code: PH/Kg
Department of Physics
Graduate School of Engineering and Applied Sciences
Monterey, CA 93943
Phone: 831-656-2886
Email: karunasiri (at)
PhD - University of Pittsburgh, 1984
BS - University of Colombo, Sri Lanka, 1979


  • 2007 - present Professor of Physics
  • 2000 - 2006 Associate Professor of Physics


  • 1994 - 2000 Associate Professor, Department of Electrical Engineering, National University of Singapore
  • 1987 - 1993 Assistant Research Engineer, Department of Electrical Engineering, University of California, Los Angeles


  • Solid State Physics
  • Semiconductor Devices
  • Optoelectronics
  • Micro-electro-mechanical-systems (MEMS)


  • Quantum well infrared detectors
  • Uncooled thermal imagers
  • Artificial vision systems
  • Infrared face recognition
  • MEMS based sensors


  • Teaching Honors list Award (1999, 2000)
  • Andrew Mellon Predoctoral Fellowship (1983-1984)


  • Member, Institute of Electrical and Electronics Engineers (IEEE)

SELECTED PUBLICATIONS: (View an extended list)

  • G. Karunasiri, Spontaneous pulse generation using silicon controlled rectifier, Appl. Phys. Lett., 89, 023501 (2006).
  • M. P. Touse, G. Karunasiri, L. R. Kevin, H. Li, and T. Mei, Near and mid infrared detection using GaAs/InxGa1-xAs/InyGa1-yAs multiple step quantum wells, Appl. Phys. Lett., 86, 093501 (2005).
  • Performance of Microbolometer Focal Plane Arrays under Varying Pressure, IEEE EDL, 21, 233-235 (2000). (X. He, G. Karunasiri, T. Mei, W. J. Zeng, P. Neuzil, and U. Sridhar)
  • Tunable Infrared Modulator and Switch Using Stark Shift in Step Quantum Wells, Electron Device Letters, 11, 227 (1990). (G. Karunasiri, Y. J. Mii, and K. L. Wang)
  • New Mode of Infrared Detection Using Quantum Wells, Appl. Phys. Lett. 45, 649 (1984). (D. D. Coon and G. Karunasiri)


  • Keywords: Physics, solid-state, Optoelectronics, infrared, semiconductors, heterostructures



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