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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 17 — Sep. 1, 2010
  • pp: 2855–2857

Optical manipulation and transport of microparticles on silicon nitride microring-resonator-based add–drop devices

Hong Cai and Andrew W. Poon  »View Author Affiliations


Optics Letters, Vol. 35, Issue 17, pp. 2855-2857 (2010)
http://dx.doi.org/10.1364/OL.35.002855


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Abstract

We demonstrate optical manipulation and transport of 1 μm sized polystyrene particles on silicon nitride microring-resonator-based add–drop devices in an integrated optofluidic chip. By tuning the input laser wavelength and upon certain resonance quality factors, we observe microparticles (i) transported to the throughput port, (ii) routed to the microring and trapped in round trips, and (iii) transported to the drop port. We investigate the microparticle velocity at various laser wavelengths and in various spatial regions of the devices with different resonance quality factors. Such a device can act as a particle add–drop filter for “particle circuits” in lab-on-a-chip applications.

© 2010 Optical Society of America

OCIS Codes
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
(230.3120) Optical devices : Integrated optics devices
(230.5750) Optical devices : Resonators

ToC Category:
Optical Devices

History
Original Manuscript: June 18, 2010
Revised Manuscript: July 28, 2010
Manuscript Accepted: July 30, 2010
Published: August 19, 2010

Citation
Hong Cai and Andrew W. Poon, "Optical manipulation and transport of microparticles on silicon nitride microring-resonator-based add–drop devices," Opt. Lett. 35, 2855-2857 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-17-2855

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