Abstract
We report an actively mode-locked fiber ring laser. A simple and low-insertion-loss acousto-optic modulator driven by standing flexural waves, which couples core-to-cladding modes in a standard single-mode optical fiber, is used as an active mechanism for mode locking. Among the remarkable features of the modulator, we mention its high modulation depth (72%), broad bandwidth (), easy tunability in the optical wavelength, and low insertion losses (). The narrowest optical pulses obtained were of time width, peak power, repetition rate of , and of pump power.
© 2010 Optical Society of America
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