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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 34 — Dec. 1, 2013
  • pp: 8332–8337

Linear and stable photonic radio frequency phase shifter based on a dual-parallel Mach–Zehnder modulator using a two-drive scheme

Jianguo Shen, Guiling Wu, Weiwen Zou, Ruihao Chen, and Jianping Chen  »View Author Affiliations


Applied Optics, Vol. 52, Issue 34, pp. 8332-8337 (2013)
http://dx.doi.org/10.1364/AO.52.008332


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Abstract

We theoretically and experimentally demonstrate a linear and stable photonic RF phase shifter based on a dual-parallel Mach–Zehnder modulator (DPMZM) using a two-drive scheme. To avoid the effect of the residual optical carrier and overcome the lowest frequency limit from the optical filter, a local microwave signal and a signal up-converted from the under-phase-shifted RF signal are applied to the two RF inputs of the DPMZM, respectively. A phase-shifted RF signal is generated by beating the two first-order upper sidebands located in the passband of the optical filter. A continuous and linear phase shift of more than 360° and power variation of less than ±0.15dB at 1 GHz are achieved by simply tuning the bias voltage of the modulator. A phase tuning bandwidth of more than 17 MHz and phase drift of less than 0.5° within 2000 s are also observed.

© 2013 Optical Society of America

OCIS Codes
(060.5060) Fiber optics and optical communications : Phase modulation
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 12, 2013
Revised Manuscript: October 20, 2013
Manuscript Accepted: October 28, 2013
Published: November 25, 2013

Citation
Jianguo Shen, Guiling Wu, Weiwen Zou, Ruihao Chen, and Jianping Chen, "Linear and stable photonic radio frequency phase shifter based on a dual-parallel Mach–Zehnder modulator using a two-drive scheme," Appl. Opt. 52, 8332-8337 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-34-8332

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