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期刊论文

Stable and Broad Bandwidth Multiwavelength Fiber Ring Laser Incorporating a Highly Nonlinear Photonic Crystal Fiber

张爱玲Ailing Zhang Heliang Liu M. S. Demokan and H. Y. Tam

IEEE PHOTONICS TECHNOLOGY LETTERS, VOL.17, NO.12, DECEMBER 2005,-0001,():

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摘要/描述

A stable and broad bandwidth multiwavelength fiberring laser suitable for use in dense wavelength-division-multiplexing systems is demonstrated. A highly nonlinear photonic crystal fiber is inserted in the ring cavity to stabilize the power fluctuation and broaden the output spectrum. A thin-film Fabry-Pérot etalon filter is used to get stable wavelength lasing. A Sagnac filter is employed to achieve uniform power distribution at each wavelength at the laser output. A laser with a power fluctuation about 0.1dB in each wavelength within 20min and with wavelength shift of less than 0.016 nm within 10min is achieved. A stable 24-wavelength lasing operation with wavelength spacing of 0.8 nm within the 3-dB spectral range of 1573-1594 nm and signal-to-noise ratio better than 48dB is observed experimentally.

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