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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 28 — Oct. 1, 2007
  • pp: 6907–6911

Impact of relative intensity noise of vertical-cavity surface-emitting lasers on optics-based micromachined audio and seismic sensors

Robert Littrell, Neal A. Hall, Murat Okandan, Roy Olsson, and Darwin Serkland  »View Author Affiliations


Applied Optics, Vol. 46, Issue 28, pp. 6907-6911 (2007)
http://dx.doi.org/10.1364/AO.46.006907


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Abstract

The relative intensity noise of vertical-cavity surface-emitting lasers (VCSELs) in the 100 mHz  to  50 kHz frequency range is experimentally investigated using two representative single-mode VCSELs. Measurements in this frequency range are relevant to recently developed optical-based micromachined acoustic and accelerometer sensing structures that utilize VCSELs as the light source to form nearly monolithic 1 mm 3 packages. Although this frequency regime is far lower than the gigahertz range relevant to optical communication applications for which VCSELs are primarily designed, the intensity noise is found to be low and well within the range of cancellation using basic reference detection principles.

© 2007 Optical Society of America

OCIS Codes
(130.6010) Integrated optics : Sensors
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers

ToC Category:
Optoelectronics

History
Original Manuscript: March 26, 2007
Revised Manuscript: July 25, 2007
Manuscript Accepted: August 4, 2007
Published: September 21, 2007

Citation
Robert Littrell, Neal A. Hall, Murat Okandan, Roy Olsson, and Darwin Serkland, "Impact of relative intensity noise of vertical-cavity surface-emitting lasers on optics-based micromachined audio and seismic sensors," Appl. Opt. 46, 6907-6911 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-28-6907

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