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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 21 — Oct. 13, 2008
  • pp: 16766–16773

A microelectromechanically tunable asymmetric Fabry-Perot quantum well modulator at 1.55 µm

T. H. Stievater, D. Park, M. W. Pruessner, W. S. Rabinovich, S. Kanakaraju, and C. J. K. Richardson  »View Author Affiliations

Optics Express, Vol. 16, Issue 21, pp. 16766-16773 (2008)

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Placing a quantum well modulator in an asymmetric Fabry-Perot cavity enables significantly higher contrast ratios than are possible in a conventional surface-normal quantum well modulator. However, fixed-cavity asymmetric Fabry-Perot quantum well modulators require extremely precise and uniform crystal growth and are sensitive to small fluctuations in temperature or angle of incidence. Here, we experimentally demonstrate an InP-based microelectromechanically tunable asymmetric Fabry-Perot quantum well modulator that operates in the optical C-band. By actuating a suspended InGaAlAs reflector, the cavity mode can be perfectly matched to the appropriate quantum well absorption wavelength. The devices exhibit contrast ratios over 30 (15 dB) at 8 volts quantum well bias and modulation speeds of 1 MHz.

© 2008 Optical Society of America

OCIS Codes
(230.2090) Optical devices : Electro-optical devices
(230.3990) Optical devices : Micro-optical devices
(230.4205) Optical devices : Multiple quantum well (MQW) modulators
(230.4685) Optical devices : Optical microelectromechanical devices

ToC Category:
Optical Devices

Original Manuscript: June 3, 2008
Revised Manuscript: September 2, 2008
Manuscript Accepted: September 18, 2008
Published: October 7, 2008

T. H. Stievater, D. Park, M. W. Pruessner, W. S. Rabinovich, S. Kanakaraju, and C. J. K. Richardson, "A microelectromechanically tunable asymmetric Fabry-Perot quantum well modulator at 1.55 µm," Opt. Express 16, 16766-16773 (2008)

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