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Proceedings Paper

Lasing without population inversion: efficient frequency up-conversion by incoherent pumping fields
Author(s): F. F. Popescu
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Paper Abstract

In this paper we have studied the possibility to reach an efficient frequency up-conversion by using two incoherent pumping fields. At the same time, the noise of the generated field is not high, because the generation does not depend on the frequency overlapping, or the phase mismatching of the three involved fields. In this case the system acts as a laser without population inversion. Another advantage of this up-conversion mechanism is the generation of coherent radiation by using incoherent pumping fields. Consequently, the proposed up-conversion mechanism is not limited in frequency by the available coherent radiation for pumping fields. Higher frequency coherent radiation than that obtained up to now could be generated.

Paper Details

Date Published: 29 June 2001
PDF: 7 pages
Proc. SPIE 4430, ROMOPTO 2000: Sixth Conference on Optics, (29 June 2001); doi: 10.1117/12.432855
Show Author Affiliations
F. F. Popescu, Univ. of Bucharest (Romania)


Published in SPIE Proceedings Vol. 4430:
ROMOPTO 2000: Sixth Conference on Optics

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