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Proceedings Paper

Highly tunable corrugated metal nano-grating laser using current injection
Author(s): Jed Khoury; Charles L. Woods; John Kierstead; John Donoghue
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Paper Abstract

In this paper we designed a highly tunable laser with a corrugated metallic nano-grating. The design leverages the free electron laser design based on either the transit of an e-beam in the vicinity of a metallic grating or the transit of an ebeam through a periodic, transverse magnetic field produced by arranging magnets with alternating poles. Our design consists of a nano-film that is evaporated over a PMMA nano-grating. Current is injected into the nano-grating thin film. The electrons in the injected current experience an oscillating motion due to the corrugated grating structure. If the mean free path of the electrons within the nano-grating is long enough compared to the nano-grating spacing, the electron wave emits electromagnetic radiation. We developed the electromagnetic emission theory by solving Maxwell's equations for a current injected into a nano-wave grating, taking into consideration the electron mean free path. A corrugated nano-grating device with an area of 300 μm × 300 μm and a 30 nm grating spacing was fabricated.

Paper Details

Date Published: 13 May 2011
PDF: 8 pages
Proc. SPIE 8031, Micro- and Nanotechnology Sensors, Systems, and Applications III, 80312L (13 May 2011); doi: 10.1117/12.883519
Show Author Affiliations
Jed Khoury, Air Force Research Lab. (United States)
Charles L. Woods, Air Force Research Lab. (United States)
John Kierstead, Solid State Scientific Corp. (United States)
John Donoghue, Solid State Scientific Corp. (United States)

Published in SPIE Proceedings Vol. 8031:
Micro- and Nanotechnology Sensors, Systems, and Applications III
Thomas George; M. Saif Islam; Achyut K. Dutta, Editor(s)

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