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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 11 — Jun. 1, 2012
  • pp: 1901–1903

Noise conversion from pump to the passively mode-locked fiber lasers at 1.5 μm

Kan Wu, Perry Ping Shum, Sheel Aditya, Chunmei Ouyang, Jia Haur Wong, Huy Quoc Lam, and Kenneth Eng Kian Lee  »View Author Affiliations


Optics Letters, Vol. 37, Issue 11, pp. 1901-1903 (2012)
http://dx.doi.org/10.1364/OL.37.001901


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Abstract

We characterize the noise conversion from the pump relative intensity noise (RIN) to the RIN and phase noise of passively mode-locked lasers at 1.5 μm. Two mode locking mechanisms, nonlinear polarization rotation (NPR) and semiconductor saturable absorber mirror (SESAM), are compared for noise conversion for the first time. It is found that the RIN and the phase noise of both types of lasers are dominated by the noise converted from the pump RIN and thus, can be predicted with the measured pump RIN and noise conversion ratios. The SESAM laser is found to show an excess noise conversion from the laser RIN to the laser phase noise due to the slow saturable absorber effect.

© 2012 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(270.2500) Quantum optics : Fluctuations, relaxations, and noise
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Ultrafast Optics

History
Original Manuscript: April 9, 2012
Manuscript Accepted: April 11, 2012
Published: May 23, 2012

Citation
Kan Wu, Perry Ping Shum, Sheel Aditya, Chunmei Ouyang, Jia Haur Wong, Huy Quoc Lam, and Kenneth Eng Kian Lee, "Noise conversion from pump to the passively mode-locked fiber lasers at 1.5 μm," Opt. Lett. 37, 1901-1903 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-11-1901

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