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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 15 — Aug. 1, 2014
  • pp: 4408–4411

Injection locking for stable all-optical pulse generation via gain-induced FWM

Fangxin Li and Amr S. Helmy  »View Author Affiliations

Optics Letters, Vol. 39, Issue 15, pp. 4408-4411 (2014)

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We propose and demonstrate a technique to stabilize pulse generation based on gain-induced four wave mixing (FWM) via injection locking with no feedback. Robust and low-phase noise pulse generation was achieved. Pulse-train generation from 230 MHz to 76GHz with a linewidth of 1Hz is experimentally demonstrated. The injection locking effectively narrows the linewidth of the generated pulse by four orders of magnitude. The fiber ring cavity reduces the sideband phase noise by 100 times and suppresses the residual injection signal by three orders of magnitude.

© 2014 Optical Society of America

OCIS Codes
(140.5960) Lasers and laser optics : Semiconductor lasers
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(320.5550) Ultrafast optics : Pulses

ToC Category:
Ultrafast Optics

Original Manuscript: May 8, 2014
Manuscript Accepted: June 10, 2014
Published: July 23, 2014

Fangxin Li and Amr S. Helmy, "Injection locking for stable all-optical pulse generation via gain-induced FWM," Opt. Lett. 39, 4408-4411 (2014)

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