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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 6 — Mar. 15, 2008
  • pp: 554–556

Photonic generation of a microwave signal by incorporating a delay interferometer and a saturable absorber

Guojie Chen, Dexiu Huang, Xinliang Zhang, and Hui Cao  »View Author Affiliations

Optics Letters, Vol. 33, Issue 6, pp. 554-556 (2008)

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A novel approach to generate microwave signals is presented by employing a dual-wavelength erbium-doped fiber ring laser. By using a delay interferometer as a comb filter cascaded with a tunable bandpass filter and a saturable absorber formed by an unpumped polarization-maintaining erbium-doped fiber, a stable wavelength-tunable dual-wavelength single longitudinal-mode laser is achieved. A microwave signal at 20.07 GHz with a linewidth of < 25 kHz is demonstrated by beating the two wavelengths at a photodetector.

© 2008 Optical Society of America

OCIS Codes
(140.3570) Lasers and laser optics : Lasers, single-mode
(350.4010) Other areas of optics : Microwaves
(060.2840) Fiber optics and optical communications : Heterodyne

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: October 10, 2007
Revised Manuscript: January 26, 2008
Manuscript Accepted: February 1, 2008
Published: March 11, 2008

Guojie Chen, Dexiu Huang, Xinliang Zhang, and Hui Cao, "Photonic generation of a microwave signal by incorporating a delay interferometer and a saturable absorber," Opt. Lett. 33, 554-556 (2008)

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