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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 6 — Mar. 19, 2007
  • pp: 3384–3389

An all-optical frequency up-converter utilizing four-wave mixing in a semiconductor optical amplifier for sub-carrier multiplexed radio-over-fiber applications

Hyoung-Jun Kim, Jong-In Song, and Ho-Jin Song  »View Author Affiliations

Optics Express, Vol. 15, Issue 6, pp. 3384-3389 (2007)

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A novel all-optical frequency up-converter utilizing four-wave mixing (FWM) in a semiconductor optical amplifier (SOA) was proposed and experimentally demonstrated. The frequency up-converter converted an optical intermediate frequency (IF) signal (fIF = 2.5 GHz) to an optical radio frequency (RF) signal (fRF = 35 and 40 GHz) through mixing with an optical local oscillator (LO) signal (fLO = 37.5 GHz). The up-converter showed positive conversion efficiency of 5.77 dB for the optical IF power of -22 dBm and the optical LO power of -13 dBm. This scheme showed broad bandwidths with respect to both LO and IF frequencies. The up-converter showed a phase noise of -84.5 dBc/Hz for the LO frequency of 37.5 GHz (fLO ) and the offset frequency of 10 kHz after the frequency up-conversion.

© 2007 Optical Society of America

OCIS Codes
(060.2630) Fiber optics and optical communications : Frequency modulation
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(250.5980) Optoelectronics : Semiconductor optical amplifiers

ToC Category:
Nonlinear Optics

Original Manuscript: January 11, 2007
Revised Manuscript: February 28, 2007
Manuscript Accepted: March 1, 2007
Published: March 19, 2007

Hyoung-Jun Kim, Jong-In Song, and Ho-Jin Song, "An all-optical frequency up-converter utilizing four-wave mixing in a semiconductor optical amplifier for sub-carrier multiplexed radio-over-fiber applications," Opt. Express 15, 3384-3389 (2007)

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