Abstract
A stable and broad bandwidth multiwavelength erbium-doped fiber laser is proposed and demonstrated successfully. A nonlinear optical loop mirror which induces wavelength-dependent cavity loss and behaves as an amplitude equalizer is employed to ensure stable room-temperature multiwavelength operation. Up to 50 wavelengths lasing oscillations with wavelength spacing of 0.8nm within a 3-dB spectral range of 1562–1605nm has been achieved. The measured power fluctuation of each wavelength is about 0.1dB within a 2-h period.
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