Abstract
We demonstrate a discretely tunable mode-locked laser (time-to-wavelength mapped laser) consisting of a 32 wavelength silica-on-silicon planar lightwave circuit arrayed waveguide grating and an integrated electro-absorption modulator / semiconductor optical amplifier. The AWG is used to form a wavelength-dependent delay circuit to allow the oscillation wavelength to be selected by varying the mode-locking frequency. The wavelength range is 1535.5-1560.5 nm, the wavelength spacing is 100 GHz, and the repetition rate is in the 10 GHz regime.
© 2001 Optical Society of America
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