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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 19 — Oct. 1, 2006
  • pp: 2924–2926

Pulse-amplitude equalization by negative impulse modulation for rational harmonic mode locking

Sarper Ozharar, Sangyoun Gee, Franklyn Quinlan, Shinwook Lee, and Peter J. Delfyett  »View Author Affiliations


Optics Letters, Vol. 31, Issue 19, pp. 2924-2926 (2006)
http://dx.doi.org/10.1364/OL.31.002924


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Abstract

We propose a novel technique based on negative impulse modulation for pulse repetition rate multiplication by rational harmonic mode locking with pulse-amplitude-equalized pulses directly from the laser cavity. We have generated a pulse train of 15 GHz with more than 16 dB suppression of unwanted amplitude modulation spurs by using a 1 GHz RF signal. This is the highest suppression ratio for a repetition rate multiplication factor of 15 to our knowledge.

© 2006 Optical Society of America

OCIS Codes
(140.3560) Lasers and laser optics : Lasers, ring
(140.4050) Lasers and laser optics : Mode-locked lasers
(320.5550) Ultrafast optics : Pulses

ToC Category:
Ultrafast Optics

History
Original Manuscript: May 17, 2006
Revised Manuscript: July 21, 2006
Manuscript Accepted: July 25, 2006
Published: September 11, 2006

Citation
Sarper Ozharar, Sangyoun Gee, Franklyn Quinlan, Shinwook Lee, and Peter J. Delfyett, "Pulse-amplitude equalization by negative impulse modulation for rational harmonic mode locking," Opt. Lett. 31, 2924-2926 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-19-2924

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