Abstract

We report a widely tunable ring-cavity tellurite fiber Raman laser covering the S+C+L+U band. A tunable range (14951600nm, limited by the tunable optical bandpass filter) over 100nm is obtained by using a single-mode tellurite fiber with high Raman gain coefficients (55W1km1) and large Raman shift (22.3THz) as the gain medium. Furthermore, the free-running 1665nm Raman fiber laser is achieved from the ring cavity by removing the tunable optical bandpass filter, which shows that such a tellurite fiber has potential for constructing a widely tunable fiber Raman laser covering the S+C+L+U band. A high optical signal-to-noise ratio of over 60dB for almost all of the tunable range is also demonstrated.

© 2008 Optical Society of America

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References

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  1. M. J. F. Digonnet, Rare-Earth-Doped Fiber Lasers and Amplifiers (Marcel Dekker, 2001), pp. 113-170.
  2. A. Bellemare, M. Karasek, C. Riviere, F. Babin, G. He, V. Roy, and G. W. Schinn, IEEE J. Sel. Top. Quantum Electron. 7, 22 (2001).
    [CrossRef]
  3. Y. Ohishi, A. Mori, M. Yamada, H. Ono, Y. Nishida, and K. Oikawa, Opt. Lett. 23, 274 (1998).
    [CrossRef]
  4. S. Ohara and N. Sugimoto, Opt. Lett. 33, 1201 (2008).
    [CrossRef] [PubMed]
  5. M. N. Islam, Raman Amplifiers for Telecommunications 1: Physical principles (Springer, 2004), pp. 1-34.
    [CrossRef]
  6. A. Mori, H. Masuda, K. Shikano, and M. Shimizu, J. Lightwave Technol. 21, 1300 (2003).
    [CrossRef]

2008 (1)

2003 (1)

2001 (1)

A. Bellemare, M. Karasek, C. Riviere, F. Babin, G. He, V. Roy, and G. W. Schinn, IEEE J. Sel. Top. Quantum Electron. 7, 22 (2001).
[CrossRef]

1998 (1)

Babin, F.

A. Bellemare, M. Karasek, C. Riviere, F. Babin, G. He, V. Roy, and G. W. Schinn, IEEE J. Sel. Top. Quantum Electron. 7, 22 (2001).
[CrossRef]

Bellemare, A.

A. Bellemare, M. Karasek, C. Riviere, F. Babin, G. He, V. Roy, and G. W. Schinn, IEEE J. Sel. Top. Quantum Electron. 7, 22 (2001).
[CrossRef]

Digonnet, M. J. F.

M. J. F. Digonnet, Rare-Earth-Doped Fiber Lasers and Amplifiers (Marcel Dekker, 2001), pp. 113-170.

He, G.

A. Bellemare, M. Karasek, C. Riviere, F. Babin, G. He, V. Roy, and G. W. Schinn, IEEE J. Sel. Top. Quantum Electron. 7, 22 (2001).
[CrossRef]

Islam, M. N.

M. N. Islam, Raman Amplifiers for Telecommunications 1: Physical principles (Springer, 2004), pp. 1-34.
[CrossRef]

Karasek, M.

A. Bellemare, M. Karasek, C. Riviere, F. Babin, G. He, V. Roy, and G. W. Schinn, IEEE J. Sel. Top. Quantum Electron. 7, 22 (2001).
[CrossRef]

Masuda, H.

Mori, A.

Nishida, Y.

Ohara, S.

Ohishi, Y.

Oikawa, K.

Ono, H.

Riviere, C.

A. Bellemare, M. Karasek, C. Riviere, F. Babin, G. He, V. Roy, and G. W. Schinn, IEEE J. Sel. Top. Quantum Electron. 7, 22 (2001).
[CrossRef]

Roy, V.

A. Bellemare, M. Karasek, C. Riviere, F. Babin, G. He, V. Roy, and G. W. Schinn, IEEE J. Sel. Top. Quantum Electron. 7, 22 (2001).
[CrossRef]

Schinn, G. W.

A. Bellemare, M. Karasek, C. Riviere, F. Babin, G. He, V. Roy, and G. W. Schinn, IEEE J. Sel. Top. Quantum Electron. 7, 22 (2001).
[CrossRef]

Shikano, K.

Shimizu, M.

Sugimoto, N.

Yamada, M.

IEEE J. Sel. Top. Quantum Electron. (1)

A. Bellemare, M. Karasek, C. Riviere, F. Babin, G. He, V. Roy, and G. W. Schinn, IEEE J. Sel. Top. Quantum Electron. 7, 22 (2001).
[CrossRef]

J. Lightwave Technol. (1)

Opt. Lett. (2)

Other (2)

M. N. Islam, Raman Amplifiers for Telecommunications 1: Physical principles (Springer, 2004), pp. 1-34.
[CrossRef]

M. J. F. Digonnet, Rare-Earth-Doped Fiber Lasers and Amplifiers (Marcel Dekker, 2001), pp. 113-170.

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Figures (5)

Fig. 1
Fig. 1

(a) Schematic of a widely tunable ring-cavity tellurite fiber Raman laser, (b) transmission losses of the isolator and the 10 dB WDM coupler at 1550 nm , (c) transmission loss of tellurite fiber.

Fig. 2
Fig. 2

Raman gain coefficients of tellurite fiber pumped at 1460 nm .

Fig. 3
Fig. 3

Emission spectra of tunable tellurite fiber Raman laser by tuning the tunable optical bandpass filter when the pump power of 1480 nm laser was fixed at 1.4 W .

Fig. 4
Fig. 4

Power dependence of tunable tellurite fiber Raman laser using a 10% output coupler.

Fig. 5
Fig. 5

Power dependence of tunable tellurite fiber Raman laser using a 50% output coupler.

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