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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 18 — Sep. 15, 2009
  • pp: 2873–2875

Fiber-assisted single-photon spectrograph

Malte Avenhaus, Andreas Eckstein, Peter J. Mosley, and Christine Silberhorn  »View Author Affiliations

Optics Letters, Vol. 34, Issue 18, pp. 2873-2875 (2009)

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We demonstrate the implementation of a fiber-integrated spectrograph utilizing chromatic group velocity dispersion (GVD) in a single-mode fiber. By means of GVD we stretch an ultrafast pulse in time in order to spectrally resolve single photons in the time domain, detected by single-photon counting modules with very accurate temporal resolution. As a result, the spectrum of a very weak pulse is recovered from a precise time measurement with high signal-to-noise ratio. We demonstrate the potential of our technique by applying our scheme to analyzing the joint spectral intensity distribution of a parametric downconversion source at a telecommunication wavelength.

© 2009 Optical Society of America

OCIS Codes
(270.5570) Quantum optics : Quantum detectors
(300.6190) Spectroscopy : Spectrometers
(320.7140) Ultrafast optics : Ultrafast processes in fibers
(320.7150) Ultrafast optics : Ultrafast spectroscopy
(190.4975) Nonlinear optics : Parametric processes

ToC Category:
Ultrafast Spectroscopy

Original Manuscript: February 18, 2009
Revised Manuscript: June 9, 2009
Manuscript Accepted: July 23, 2009
Published: September 15, 2009

Malte Avenhaus, Andreas Eckstein, Peter J. Mosley, and Christine Silberhorn, "Fiber-assisted single-photon spectrograph," Opt. Lett. 34, 2873-2875 (2009)

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