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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 12 — Jun. 15, 2009
  • pp: 1822–1824

Modulation efficiency of a Li Nb O 3 waveguide electro-optic intensity modulator operating at high microwave frequency

Yi Liao, Huijuan Zhou, and Zhou Meng  »View Author Affiliations

Optics Letters, Vol. 34, Issue 12, pp. 1822-1824 (2009)

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The modulation efficiency, at high-frequency microwave modulation, of a Li Nb O 3 waveguide electro-optic modulator is shown to be degraded severely, especially when it is used as a frequency translator in a Brillouin-distributed fiber-sensing system. We derive an analytical expression for this attenuation regarding the phase-velocity mismatch and the impedance mismatch during the modulation process. Theoretical results are confirmed by experimental results based on a 15 Gb s Li Nb O 3 optical intensity modulator.

© 2009 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4080) Fiber optics and optical communications : Modulation
(110.4100) Imaging systems : Modulation transfer function
(190.2640) Nonlinear optics : Stimulated scattering, modulation, etc.

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: February 26, 2009
Revised Manuscript: April 19, 2009
Manuscript Accepted: April 20, 2009
Published: June 9, 2009

Yi Liao, Huijuan Zhou, and Zhou Meng, "Modulation efficiency of a LiNbO3 waveguide electro-optic intensity modulator operating at high microwave frequency," Opt. Lett. 34, 1822-1824 (2009)

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