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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 47, Iss. 3 — Jan. 20, 2008
  • pp: 417–421

Stabilization of a fiber-optic two-arm interferometer for ultra-short pulse signal processing applications

Yongwoo Park, Tae-Jung Ahn, and José Azaña  »View Author Affiliations

Applied Optics, Vol. 47, Issue 3, pp. 417-421 (2008)

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We experimentally demonstrate a stable ultrafast first-order temporal differentiator using a fiber-optic Michelson interferometer incorporating a simple feedback stabilization control, which is based on dithering a single wavelength cw reference. Feedback control signals are acquired by a phase-lock-loop and used for automatically adjusting and maintaining the resonance wavelength of the differentiator at the pulse center wavelength without dithering or disturbing the interferometer arms. Picosecond odd-symmetry Hermite–Gaussian waveforms using the implemented first-order differentiator have been stably generated. The demonstrated stabilization system should prove useful for a wide range of ultrafast pulse processing and analysis applications based on the use of two-arm interferometers.

© 2008 Optical Society of America

OCIS Codes
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:
Ultrafast Optics

Original Manuscript: September 5, 2007
Manuscript Accepted: October 25, 2007
Published: January 17, 2008

Yongwoo Park, Tae-Jung Ahn, and José Azaña, "Stabilization of a fiber-optic two-arm interferometer for ultra-short pulse signal processing applications," Appl. Opt. 47, 417-421 (2008)

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