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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 21 — Oct. 12, 2009
  • pp: 19160–19165

Direct imaging of tunneling from a potential well

Mathew Tomes, Kerry J. Vahala, and Tal Carmon  »View Author Affiliations

Optics Express, Vol. 17, Issue 21, pp. 19160-19165 (2009)

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We experimentally map the wavefunction in the vicinity of a radial potential well. We photograph light intensity near the tunneling region as well as measure the spiraling phase structure via interference with a reference wave. This spiraling phase structure is required for conservation of angular momentum. The experimental image reveals the non-intuitive emission of light from a region in space that is empty of material and relatively far from the device.

© 2009 OSA

OCIS Codes
(230.5750) Optical devices : Resonators
(140.3945) Lasers and laser optics : Microcavities

ToC Category:
Optical Devices

Original Manuscript: July 22, 2009
Revised Manuscript: September 3, 2009
Manuscript Accepted: September 10, 2009
Published: October 8, 2009

Mathew Tomes, Kerry J. Vahala, and Tal Carmon, "Direct imaging of tunneling from a potential well," Opt. Express 17, 19160-19165 (2009)

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