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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 11 — May. 23, 2011
  • pp: 10199–10205

Uni-traveling-carrier variable confinement waveguide photodiodes

Jonathan Klamkin, Shannon M. Madison, Douglas C. Oakley, Antonio Napoleone, Frederick J. O’Donnell, Michael Sheehan, Leo J. Missaggia, Janice M. Caissie, Jason J. Plant, and Paul W. Juodawlkis  »View Author Affiliations

Optics Express, Vol. 19, Issue 11, pp. 10199-10205 (2011)

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Uni-traveling-carrier waveguide photodiodes (PDs) with a variable optical confinement mode size transformer are demonstrated. The optical mode is large at the input for minimal front-end saturation and the mode transforms as the light propagates so that the absorption profile is optimized for both high-power and high-speed performance. Two differently designed PDs are presented. PD A demonstrates a 3-dB bandwidth of 12.6 GHz, and saturation currents of 40 mA at 1 GHz and 34 mA at 10 GHz. PD B demonstrates a 3-dB bandwidth of 2.5 GHz, a saturation current greater than 100 mA at 1 GHz, a peak RF output power of + 19 dBm, and a third-order output intercept point of 29.1 dBm at a photocurrent of 60 mA.

© 2011 OSA

OCIS Codes
(230.5170) Optical devices : Photodiodes
(230.7370) Optical devices : Waveguides

ToC Category:
Optical Devices

Original Manuscript: April 1, 2011
Revised Manuscript: April 30, 2011
Manuscript Accepted: May 1, 2011
Published: May 9, 2011

Jonathan Klamkin, Shannon M. Madison, Douglas C. Oakley, Antonio Napoleone, Frederick J. O’Donnell, Michael Sheehan, Leo J. Missaggia, Janice M. Caissie, Jason J. Plant, and Paul W. Juodawlkis, "Uni-traveling-carrier variable confinement waveguide photodiodes," Opt. Express 19, 10199-10205 (2011)

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