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single laser News
3-D bow-tie nanolaser defies diffraction limit
EVANSTON, Ill. – Nanolaser devices operating at room temperature defy the diffraction limit, thanks to a lasing cavity composed of 3-D bow-tie-shaped metal nanoparticle dimers designed by researchers at Northwestern University. The diffraction limit has been a...
Virus-Sized Laser Defies Diffraction Limit
EVANSTON, Ill., Nov. 6, 2012 — The bow tie is a popular shape for pasta and maybe soon it will be for lasers, too. Single-laser devices the size of virus particles operate at room temperature and defy the diffraction limit, thanks to a lasing cavity composed of 3-D bow-tie-shaped...
Nanopatterning with Lasers and Microspheres
Aug 1, 2008 — Although it concerns the very small, optical nanopatterning has some very big problems. Available techniques are slow, hard to use, expensive or limited in what they can produce. Now Princeton University researchers Euan McLeod and Craig B. Arnold...
Four-Wave Mixing Trumps Homogeneous Gain in Erbium Laser
Oct 1, 2005 — Although current wavelength-division multiplexing (WDM) systems require a different laser for each wavelength transmitted over an optical fiber, engineers envision more-efficient systems in which a single laser will emit all of the necessary...
(4 results found)
May 2024
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