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Optics Express

Optics Express

  • Editor: C. Martijin de Sterke
  • Vol. 19, Iss. 7 — Mar. 28, 2011
  • pp: 6414–6419

Low-noise Raman fiber amplifier pumped by semiconductor disk laser

A. Chamorovskiy, J. Rautiainen, A. Rantamäki, and O. G. Okhotnikov  »View Author Affiliations


Optics Express, Vol. 19, Issue 7, pp. 6414-6419 (2011)
http://dx.doi.org/10.1364/OE.19.006414


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Abstract

A 1.3 µm Raman fiber amplifier pumped by 1.22 µm semiconductor disk laser in co-propagation geometry is demonstrated. Measured relative intensity noise of −148 dB/Hz over frequency range up to 3.5 GHz was measured at 900 mW of pump power. 9 dB gain was achieved with co-propagating pumping geometry with less than 2 dB additional noise induced by amplifier to the signal. Nearly shot-noise-limited operation of semiconductor disk laser combined with the diffraction-limited beam allows for efficient core-pumping of the single-mode fiber Raman amplifiers and represents a highly practical approach which takes full advantage of co-propagating pumping.

© 2011 OSA

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(140.4480) Lasers and laser optics : Optical amplifiers
(290.5910) Scattering : Scattering, stimulated Raman
(140.7260) Lasers and laser optics : Vertical cavity surface emitting lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 20, 2011
Revised Manuscript: March 9, 2011
Manuscript Accepted: March 11, 2011
Published: March 21, 2011

Citation
A. Chamorovskiy, J. Rautiainen, A. Rantamäki, and O. G. Okhotnikov, "Low-noise Raman fiber amplifier pumped by semiconductor disk laser," Opt. Express 19, 6414-6419 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-7-6414


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