Abstract

We demonstrate a single-frequency Brillouin distributed feedback laser (DFB). The DFB laser cavity was a 12.4 cm long fiber Bragg grating with a π-phase shift offset from the grating center. It exhibited a threshold of 30 mW and conversion efficiency from pump to Stokes wave as high as 27%. Higher-order Stokes waves were suppressed by more than 20 dB. The Stokes output of the laser could be obtained in either the forward or backward direction, simply by changing the orientation of the offset of the discrete phase shift with respect to the pump propagation direction. The DFB laser operated over a pump frequency range of 1.2 GHz, more than 60 times larger than the SBS gain bandwidth.

© 2012 Optical Society of America

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2011 (1)

2008 (1)

2007 (1)

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1998 (1)

V. C. Lauridsen, J. H. Povlsen, and P. Varming, Electron. Lett. 34, 2028 (1998).
[CrossRef]

1994 (1)

1991 (1)

1982 (1)

Abedin, K. S.

Al-Mansoori, M. H.

Archambault, J.-L.

Benito, D.

Blake, M.

J. Geng, S. Staines, Z. Wang, J. Zong, M. Blake, and S. Jiang, in Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2006), paper OThC4.

Chodorow, M.

Dolfi, D.

Ezekiel, S.

Garde, M. J.

Geng, J.

J. Geng, S. Staines, and S. Jiang, Opt. Lett. 33, 16 (2008).
[CrossRef]

J. Geng and S. Jiang, Opt. Lett. 32, 11 (2007).
[CrossRef]

J. Geng, S. Staines, Z. Wang, J. Zong, M. Blake, and S. Jiang, in Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2006), paper OThC4.

Huignard, J.-P.

Jiang, S.

J. Geng, S. Staines, and S. Jiang, Opt. Lett. 33, 16 (2008).
[CrossRef]

J. Geng and S. Jiang, Opt. Lett. 32, 11 (2007).
[CrossRef]

J. Geng, S. Staines, Z. Wang, J. Zong, M. Blake, and S. Jiang, in Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2006), paper OThC4.

Kamil Abd-Rahman, M.

Kremp, T.

Kringlebotn, J. T.

Lauridsen, V. C.

V. C. Lauridsen, J. H. Povlsen, and P. Varming, Electron. Lett. 34, 2028 (1998).
[CrossRef]

Loayssa, A.

Mahamd Adikan, F. R.

Mahdi, M. A.

Nicholson, J. W.

Norcia, S.

Payne, D. N.

Porque, J.

Povlsen, J. H.

V. C. Lauridsen, J. H. Povlsen, and P. Varming, Electron. Lett. 34, 2028 (1998).
[CrossRef]

Reekie, L.

Rokhsari, H.

Shaw, H. J.

Smith, S. P.

Staines, S.

J. Geng, S. Staines, and S. Jiang, Opt. Lett. 33, 16 (2008).
[CrossRef]

J. Geng, S. Staines, Z. Wang, J. Zong, M. Blake, and S. Jiang, in Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2006), paper OThC4.

Stokes, L. F.

Tonda-Goldstein, S.

Vahala, K. J.

Varming, P.

V. C. Lauridsen, J. H. Povlsen, and P. Varming, Electron. Lett. 34, 2028 (1998).
[CrossRef]

Wang, Z.

J. Geng, S. Staines, Z. Wang, J. Zong, M. Blake, and S. Jiang, in Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2006), paper OThC4.

Westbrook, P. S.

Zarinetchi, F.

Zong, J.

J. Geng, S. Staines, Z. Wang, J. Zong, M. Blake, and S. Jiang, in Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2006), paper OThC4.

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Figures (6)

Fig. 1.
Fig. 1.

Experimental setup.

Fig. 2.
Fig. 2.

Transmission spectrum of Bragg grating. The pump and lasing wavelengths are indicated by vertical lines.

Fig. 3.
Fig. 3.

Optical spectra of the output in the forward and backward direction. (a) Electrical spectrum of the pump–signal beat note. (b) The phase shift is facing inward (see Fig. 1).

Fig. 4.
Fig. 4.

Output power versus pump frequency detuning. The arrow indicates the tuning direction. Zero detuning corresponds to the pump frequency when the laser starts oscillating and is roughly the same as that shown in Fig. 2. The inset is described in the text.

Fig. 5.
Fig. 5.

Optical spectrum of the output in the forward direction, with the discrete phase shift facing outward.

Fig. 6.
Fig. 6.

Stokes power against incident pump power. Each point is taken after optimizing pump detuning to maximize the output.

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