Generating green to red light with semiconductor lasers

Year: 2007

Authors: Ferrari G.

Autors Affiliation: European Laboratory for Nonlinear Spectroscopy, Istituto Nazionale Fisica Nucleare, INFM-CNR, Polo Scientifico-Università di Firenze, 50019 Sesto Fiorentino, Italy

Abstract: Diode lasers enable one to continuously cover the 730 to 1100 nm range as well as the 370 to 550 nm range by frequency doubling, but a large part of the electro-magnetic spectrum spanning from green to red remains accessible only through expensive and unpractical optically pumped dye lasers. Here we devise a method to multiply the frequency of optical waves by a factor 3/2 with a conversion that is phase-coherent and highly efficient. Together with harmonic generation, it will enable one to cover the visible spectrum with semiconductor lasers, opening new avenues in important fields such as laser spectroscopy and optical metrology. (c) 2007 Optical Society of America.

Journal/Review: OPTICS EXPRESS

Volume: 15 (4)      Pages from: 1672  to: 1678

KeyWords: nonlinear optics; optical nonlinear conversion; frequency conversion; metrology;
DOI: 10.1364/OE.15.001672

Citations: 2
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