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Applied Optics

Applied Optics


  • Vol. 41, Iss. 1 — Jan. 1, 2002
  • pp: 148–153

Reflective light modulator based on ε-GaSe crystal

Kerim Allakhverdiev, Namik Ismailov, Zehra Salaeva, Faik Mikailov, Aydin Gulubayov, Tofik Mamedov, and Sardar Babaev  »View Author Affiliations

Applied Optics, Vol. 41, Issue 1, pp. 148-153 (2002)

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We report the results of investigating a low-voltage, polarization-insensitive, reflective-type modulator based on an ε-GaSe crystal and operated at the 1.960-eV line of a He–Ne laser. We demonstrate that the modulation in an Al–ε-GaSe–Cu device results mainly from the Franz–Keldysh effect. Relatively high speed and low operating voltage could make these modulators with Schottky-barrier contacts attractive devices in the red range of the spectrum.

© 2002 Optical Society of America

OCIS Codes
(120.7000) Instrumentation, measurement, and metrology : Transmission
(130.5990) Integrated optics : Semiconductors
(230.2090) Optical devices : Electro-optical devices
(240.0310) Optics at surfaces : Thin films
(270.6620) Quantum optics : Strong-field processes
(300.1030) Spectroscopy : Absorption

Original Manuscript: November 9, 2000
Revised Manuscript: June 14, 2001
Published: January 1, 2002

Kerim Allakhverdiev, Namik Ismailov, Zehra Salaeva, Faik Mikailov, Aydin Gulubayov, Tofik Mamedov, and Sardar Babaev, "Reflective light modulator based on ε-GaSe crystal," Appl. Opt. 41, 148-153 (2002)

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