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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 21 — Nov. 1, 2013
  • pp: 4327–4330

Coherence and shot-to-shot spectral fluctuations in noise-like ultrafast fiber lasers

Antoine F. J. Runge, Claude Aguergaray, Neil G. R. Broderick, and Miro Erkintalo  »View Author Affiliations


Optics Letters, Vol. 38, Issue 21, pp. 4327-4330 (2013)
http://dx.doi.org/10.1364/OL.38.004327


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Abstract

We report on experimental studies of coherence and fluctuations in noise-like pulse trains generated by ultrafast fiber oscillators. By measuring the degree of first-order coherence using a Young’s-type interference experiment, we prove the lack of phase coherence across the seemingly regular array of pulses. We further quantify the pulse-to-pulse fluctuations by recording the single-shot spectra of the megahertz pulse train, and experimentally demonstrate the existence of spectral fluctuations that remain unresolved in conventional time-averaged ensemble measurements. Phase incoherence and spectral fluctuations are contrasted with quantified coherence and spectral stability when the laser is soliton mode-locked.

© 2013 Optical Society of America

OCIS Codes
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(140.3510) Lasers and laser optics : Lasers, fiber
(140.7090) Lasers and laser optics : Ultrafast lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 26, 2013
Revised Manuscript: September 16, 2013
Manuscript Accepted: September 20, 2013
Published: October 21, 2013

Citation
Antoine F. J. Runge, Claude Aguergaray, Neil G. R. Broderick, and Miro Erkintalo, "Coherence and shot-to-shot spectral fluctuations in noise-like ultrafast fiber lasers," Opt. Lett. 38, 4327-4330 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-21-4327

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