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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 29, Iss. 14 — Jul. 15, 2011
  • pp: 2156–2165

Q-Switched DFB Fiber Laser Based on a Shape Memory Alloy Optical Fiber Phase Modulator

Alex Fraser, Réal Vallée, Jean-Daniel Deschênes, Martin Bernier, Jérôme Genest, and Éric Weynant

Journal of Lightwave Technology, Vol. 29, Issue 14, pp. 2156-2165 (2011)

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A detailed analysis of the behavior of a DFB fiber laser based on a high-speed tunable intra-cavity phase-shifter is presented. The phase-shifter made of a specially designed shape memory alloy is inducing a birefringence, thus allowing the laser to operate on either x or y polarization mode in the CW regime or in the <i>Q</i>-switched regime. The spectral characteristics of the laser are analyzed in detail for both regimes and the cavity properties are derived from the relaxation oscillation frequency.

© 2011 IEEE

Alex Fraser, Réal Vallée, Jean-Daniel Deschênes, Martin Bernier, Jérôme Genest, and Éric Weynant, "Q-Switched DFB Fiber Laser Based on a Shape Memory Alloy Optical Fiber Phase Modulator," J. Lightwave Technol. 29, 2156-2165 (2011)

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