Scatterings
Microring Resonator Comb Shapes Ultrashort Pulses
A team based at Purdue University has crafted a tiny, chip-sized ring resonator comb that generates shaped pulses.
(Top) A microring resonator that converts continuous laser light into numerous ultrashort pulses. (Bottom) A grooved structure that holds an optical fiber leading into the device.
Frequency combs generate discrete spectral lines at specific wavelengths—but they can also generate precise short pulses. A team based at Purdue University (Indiana, U.S.A.) crafted a tiny, chip-sized ring resonator comb that generates shaped pulses (Nature Photonics doi:10.1038/nphoton.2011.255).
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