Journal
NANO LETTERS
Volume 10, Issue 7, Pages 2408-2411Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl100501d
Keywords
Optical trapping; microring; resonator; nanomanipulation
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Funding
- Harvard Nanoscale Science and Engineering Center (NSEC)
- National Science Foundation (NSF)
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We demonstrate optically trapping of microparticles on silicon microring resonators Once trapped on a microring, a particle can be confined in an optical potential with a depth of 25 k(B)T over the entire microring's circumference The particles are propelled around the microring at hundreds of micrometers per second, producing periodic revolutions at a few hertz We anticipate that the increased force and highly accurate positioning obtainable with this system will lead to various nanomanipulation applications
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