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JOURNALS // Nanosystems: Physics, Chemistry, Mathematics // Archive
Nanosystems: Physics, Chemistry, Mathematics, 2016 Volume 7, Issue 2, Pages 384–393 (Mi nano211)
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Laser generation without inversion on the fine levels of the helium atom

A. G. Petrashen, N. V. Sytenko

ITMO University, 197101, Saint Petersburg, Russia

Abstract: By using the example of transfer between fine structure levels in the helium atom, the possibility of laser generation without inversion has been studied.

Keywords: coherent exitation, dehsity matrix evolution, dark states.

PACS: 32.80.Qk

Received: 20.11.2015

Language: English

DOI: 10.17586/2220-8054-2016-7-2-384-393



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© Steklov Math. Inst. of RAS, 2024