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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 20 — Sep. 26, 2011
  • pp: 19104–19113

Controlling the 1 μm spontaneous emission in Er/Yb co-doped fiber amplifiers

Grzegorz Sobon, Pawel Kaczmarek, Arkadiusz Antonczak, Jaroslaw Sotor, and Krzysztof M. Abramski  »View Author Affiliations

Optics Express, Vol. 19, Issue 20, pp. 19104-19113 (2011)

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In this paper we present our experimental studies on controlling the amplified spontaneous emission (ASE) from Yb3+ ions in Er/Yb co-doped fiber amplifiers. We propose a new method of controlling the Yb-ASE by stimulating a laser emission at 1064 nm in the amplifier, by providing a positive 1 μm signal feedback loop. The results are discussed and compared to a conventional amplifier setup without 1 μm ASE control and to an amplifier with auxiliary 1064 nm seeding. We have shown, that applying a 1064 nm signal loop in an Er/Yb amplifier can increase the output power at 1550 nm and provide stable operation without parasitic lasing at 1 μm.

© 2011 OSA

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3500) Lasers and laser optics : Lasers, erbium
(140.4480) Lasers and laser optics : Optical amplifiers

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 12, 2011
Revised Manuscript: August 29, 2011
Manuscript Accepted: August 31, 2011
Published: September 16, 2011

Grzegorz Sobon, Pawel Kaczmarek, Arkadiusz Antonczak, Jaroslaw Sotor, and Krzysztof M. Abramski, "Controlling the 1 μm spontaneous emission in Er/Yb co-doped fiber amplifiers," Opt. Express 19, 19104-19113 (2011)

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