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Cascaded Raman fibre laser for stable dual-wavelength operation

Cascaded Raman fibre laser for stable dual-wavelength operation

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The authors have demonstrated a stable and tunable dual-wavelength Raman fibre laser, which can be used as a pump source for a hybrid type and gain controlled C- and L-band distributed Raman and lumped erbium-doped fibre amplifier. Intensity and wavelength tuning of the two lasing modes at 1480 nm and 1500 nm are achieved by tuning one and both of the fibre gratings used in the laser cavity, respectively.


    1. 1)
      • Chernikov, S.V., Lewis, S.A.E., Taylor, J.R.: `Broadband Raman amplifiers in the spectral range of 1480–1620 nm', WG6-1, Conf. Optical Fiber Communications, 1999.
    2. 2)
      • Emori, T., Namiki, S.: `100 nm bandwidth flat gain Raman amplifierspumped and gain equalized by 12-wavelength-channel WDM high power laser diodes', PD19-1, Conf. Optical Fiber Communications, 1999.
    3. 3)
      • Do Il Chang , Dong Sung Lim , Min Yong Jeon , Hak Kyu Lee , Kyong Hon Kim , Taesang Park . Dual wavelength cascaded Raman fibre laser. Electron. Lett. , 1356 - 1358
    4. 4)
      • Rottwitt, K., Kidorf, H.D.: `A 92 nm bandwidth Raman amplifier', PD6-1, Conf. Optical Fiber Communications, 1998.
    5. 5)
      • Chang, Do Il, Lim, Dong Sung, Jeon, Min Yong, Lee, Hak Kyu, Kim, Kyong Hon , Park, Taesang, Shin, W., Oh, K.: `A novel intra-cavity for efficient cascadedRaman generation using WDM couplers', WDD14-1, Conf. Optical Fiber Communications, 2001.

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