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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 24 — Nov. 19, 2012
  • pp: 27163–27173

Cancellation of photodiode-induced second harmonic distortion using single side band modulation from a dual parallel Mach-Zehnder

Preetpaul S. Devgan, Alexander S. Hastings, Vincent J. Urick, and Keith J. Williams  »View Author Affiliations

Optics Express, Vol. 20, Issue 24, pp. 27163-27173 (2012)

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We have theoretically and experimentally investigated using a dual parallel Mach-Zehnder modulator (DP-MZM) in an RF photonic link to cancel the second harmonic distortion due to the photodiode. Biasing the DP-MZM for single sideband modulation, the second harmonic generated by the DP-MZM can be set out of phase with the second harmonic generated at the photodiode. We measure the output intercept point of the second harmonic distortion of the link to be 55.3 dBm, which is an improvement of over 32 dB as compared to only the photodiode.

© 2012 OSA

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.4080) Fiber optics and optical communications : Modulation
(230.5170) Optical devices : Photodiodes
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: July 10, 2012
Revised Manuscript: August 24, 2012
Manuscript Accepted: October 19, 2012
Published: November 16, 2012

Preetpaul S. Devgan, Alexander S. Hastings, Vincent J. Urick, and Keith J. Williams, "Cancellation of photodiode-induced second harmonic distortion using single side band modulation from a dual parallel Mach-Zehnder," Opt. Express 20, 27163-27173 (2012)

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