Direct space-to-time pulse shaper with reflective arrayed waveguide gratings and phase masks.
We demonstrate for what we believe to be the first time the generation of sequences of ultrafast optical pulses by phase modulation in a direct space-to-time pulse shaper. The pulse shaper is based on the combination of a reflective arrayed waveguide grating multiplexer and an external reflector. The spatial modulation of the phase was obtained by fabricating corrugated patterns on the external reflector. We demonstrate that pulse sequences with different repetition rates can be obtained by changing the period in the patterned mask.
Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, USA.
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Krishnan
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Grave de Peralta
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Kuryatkov
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Bernussi
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Temkin