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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 27, Iss. 9 — May. 1, 2002
  • pp: 749–750

Improved optical coupling in waveguide photodetectors incorporating a wedge-shaped input facet

G. S. Kinsey, R. Sidhu, A. L. Holmes, Jr., and J. C. Campbell  »View Author Affiliations


Optics Letters, Vol. 27, Issue 9, pp. 749-750 (2002)
http://dx.doi.org/10.1364/OL.27.000749


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Abstract

A simple method for improving the input coupling in uncleaved waveguide photodetectors is demonstrated. A wedge-shaped recess is incorporated into the input facet to reduce reflection. Over a range of device sizes and wedge shapes, mean quantum efficiency was increased by 16% relative to flat, uncleaved input facets.

© 2002 Optical Society of America

OCIS Codes
(040.5160) Detectors : Photodetectors
(130.2790) Integrated optics : Guided waves

Citation
G. S. Kinsey, R. Sidhu, A. L. Holmes, Jr., and J. C. Campbell, "Improved optical coupling in waveguide photodetectors incorporating a wedge-shaped input facet," Opt. Lett. 27, 749-750 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-9-749


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References

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  2. C.-L. Ho, M. C. Wu, W.-J. Ho, J.-W. Liaw, and H.-L. Wang, J. Quantum Electron. 36, 333 (2000).
  3. B. Sweetman, AIR & SPACE/Smithsonian Mag. 12, 18 (1997).

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