The light-well: A tuneable free-electron light source on a chip

Details The light-well: A tuneable free-electron light source on a chip The light-well: A tuneable free-electron light source on a chip

2009-07-13

arxiv.org/abs/0907.2143v1

Phys. Rev. Lett. 103, 113901 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.103.113901

The passage of a free-electron beam through a nano-hole in a periodically layered metal/dielectric structure creates a new type of tuneable, nanoscale radiation source - a 'light-well'. With a lateral size of just a few hundred nanometers, and an emission intensity of ~200 W/cm^2 such light-wells may be employed in nanophotonic circuits as chip-scale sources, or in densely packed ensembles for optical memory and display applications.

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