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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 11, Iss. 7 — Jul. 1, 2013
  • pp: 071202–

An alternative phase modulator half-wave voltage measurement based on photonic link

Quanyi Ye, Chun Yang, Yuhua Chong, and Xianghua Li  »View Author Affiliations


Chinese Optics Letters, Vol. 11, Issue 7, pp. 071202- (2013)


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Abstract

We measure the half-wave voltage of LiNbO3 phase modulators in a 26-GHz wideband frequency range, and then analyze it by the phase modulation photonic peak gain linked to the interferometric demodulation. The optical interferometer is constructed with two 50:50 couplers and two fiber arms with a 1-m difference in fiber length. The photonic link gain peaks are frequency dependent, as indicated by the differential time delay in the interferometer. The procedure described is a new and practical half-wave voltage measurement method that can accurately predict the nonlinear frequency characteristics of the phase modulator. Moreover, the method can be applied to various types of LiNbO3 phase modulators.

© 2013 Chinese Optics Letters

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(230.4110) Optical devices : Modulators

ToC Category:
Instrumentation, Measurement, and Metrology

Citation
Quanyi Ye, Chun Yang, Yuhua Chong, and Xianghua Li, "An alternative phase modulator half-wave voltage measurement based on photonic link," Chin. Opt. Lett. 11, 071202- (2013)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-11-7-071202

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