Abstract

This paper reports our investigation on widely tunable fiber-ring lasers and broadband amplified spontaneous emission (ASE) light sources with thulium-doped fluoride fibers (TDFs). The experimental results for thulium-doped optical fiber amplifiers will also be discussed. We achieved widely tunable fiber lasers that had tuning ranges of 94 nm with 1550 nm + 1050 nm pump configurations and of 85 nm with 1550 nm + 1400 nm pump configurations, respectively. It was observed that the lasers oscillated under multilongitudinal-mode operation with linewidth of 400 MHz, signal-to-source noise ratio of 60 dB, and power stability of 0.003 dB for a laser output of 1 mW. A broadband ASE source with a power density of more than -15 dBm/nm between 1465 and 1535 nm was also demonstrated with a novel hybrid configuration by using both TDF and erbium-doped fiber.

© 2003 IEEE

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Opt. Lett. (3)

Other (15)

J. Zhang, J. W. Y. Lit and G. W. Schinn, "Cancellation of associated frequency dithering in a single-frequency compound-ring erbium-doped fiber laser", IEEE Photon. Technol. Lett., vol. 8, pp. 1621-1623, Dec. 1996 .

T. Komukai, T. Yamamoto and Y. Miyajima, "Upconversion pumped thulium-doped fluoride fiber amplifier and laser operating at 1.47 µm ", IEEE J. Quantum Electron., vol. 31, pp. 1880 -1889, Nov. 1995.

T. Sakamoto, M. Shimizu and S. Sudo, "35-dB Gain Tm-Doped ZBLYAN Fiber Amplifier Operating at 1.65 µm", IEEE Photon. Technol. Lett., vol. 8, pp. 349-351, Mar. 1996.

J. Bromage, H. J. Thiele and L. E. Nelson, "Raman amplification in the S-band", in OFC'2002, Anaheim, CA, 2002.

A. S. L. Gomes, M. L. Sundheimer, M. T. Carvalho, J. F. Martins-Filho, C. J. A. Bastos-Filho and W. Margulis, "Novel dual wavelength (1050 nm + 800 nm) pumping scheme for thulium doped fiber amplifiers", in OFC'2002, Anaheim, CA, 2002,postdeadline paper PD2-1.

F. Roy, "Recent advances in thulium-doped fiber amplifier", in OFC'2002, Anaheim, CA, 2002.

H. Chen, F. Babin, M. Leblanc, D. Gariépy, G. He and G. W. Schinn, "S-band amplifiers and tunable lasers with thulium-doped fluoride fiber", in ECOC'2002, Denmark, Sept. 8-12 2002,paper 02.2.4.

B. N. Samson, N. J. Traynor, D. T. Walton, A. J. G. Ellison, J. D. Minelly, J. P. Trentelman and J. E. Dickinson, "Thulium-doped silicate amplifier at 1460-1520 nm", in Proc. OAA'00, 2000, PdP6.

H. Masuda, S. Aozasa and M. Shimizu, "Ultra-wide-band hybrid amplifier consisting of two dispersion-compensating fibers for Raman amplification and thulium-doped fiber", Electron. Lett., vol. 38, pp. 500-501, 2002.

F. Roy, D. Bayart, A. Le Sauze and P. Baniel, "Noise and gain band management of thulium-doped fiber amplifier with dual-wavelength pumping schemes", IEEE Photon. Technol. Lett., vol. 13, pp. 788-790, Aug. 2001.

F. Roy, F. Leplingard, L. Lorcy, A. Le Sauze, P. Baniel and D. Bayart, "48% power conversion efficiency in single pump gain-hifted thulium-doped fiber amplifier", Electron. Lett., vol. 37, pp. 943-944, 2001.

T. Kasamatsu, Y. Yano and T. Ono, "Laser-diode-pumped highly efficient gain-shifted thulium-doped fiber amplifier operating in the 1480-1510-nm band", IEEE Photon. Technol. Lett., vol. 13, pp. 433-435, May 2001.

T. Kasamatsu, Y. Yano and T. Ono, "Gain-shifted dual-wavelength-pumped thulium-doped fiber amplifier for WDM signals in the 1.48-1.51-µm wavelength region", IEEE Photon. Technol. Lett., vol. 13, pp. 31-33, Jan. 2001.

S. Aozasa, T. Sakamoto, T. Kanamori, K. Hoshino, K. Kobayashi and M. Shimizu, "Tm-doped fiber amplifiers for 1470-nm-band WDM signals", IEEE Photon. Tech. Lett., vol. 12, pp. 1331-1333, Oct. 2000 .

T. Kasamatsu, Y. Yano and T. Ono, "Laser-diode pumping (1.4 and 1.56 µm ) of gain-shifted thulium-doped fiber amplifier", Electron. Lett., vol. 36, pp. 1607-1608, 2000.

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