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Optics Letters

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  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 9 — May. 1, 2014
  • pp: 2641–2644

Improved linearity in down-converted analog photonic link by polarization manipulation

Peng Li, Lianshan Yan, Tao Zhou, Wenliang Li, Zhiyu Chen, Wei Pan, and Bin Luo  »View Author Affiliations


Optics Letters, Vol. 39, Issue 9, pp. 2641-2644 (2014)
http://dx.doi.org/10.1364/OL.39.002641


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Abstract

A method to improve the linearity of the down-converted analog photonic link is proposed and experimentally demonstrated, consisting of two phase modulators, a polarizer, and an optical filter. Down-conversion of a 10-GHz microwave signal to 100-MHz intermediate frequency is successfully achieved. By carefully optimizing the angles between the transverse-electric and transverse-magnetic modes, the third-order inter-modulation distortion (IMD3) is suppressed. The linearization method leads to a suppression of the IMD3 by more than 14 and 13 dB improvement of spurious-free dynamic range.

© 2014 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(350.4010) Other areas of optics : Microwaves

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 10, 2014
Revised Manuscript: March 29, 2014
Manuscript Accepted: March 30, 2014
Published: April 22, 2014

Citation
Peng Li, Lianshan Yan, Tao Zhou, Wenliang Li, Zhiyu Chen, Wei Pan, and Bin Luo, "Improved linearity in down-converted analog photonic link by polarization manipulation," Opt. Lett. 39, 2641-2644 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-9-2641


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