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High-efficiency frequency upconversion of 1.5 mu m laser based on a doubly resonant external ring cavity with a low finesse for signal field
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2017 (English)In: Applied physics. B, Lasers and optics (Print), ISSN 0946-2171, E-ISSN 1432-0649, Vol. 123, no 2, 52Article in journal (Refereed) Published
Abstract [en]

A doubly resonant external ring cavity with a low finesse for the signal field is used to improve the frequency upconversion efficiency of a weak 1583 nm signal laser to 636 nm by mixing with a resonance power enhanced 1064 nm pump laser in a 25 mm periodically poled lithium niobate crystal. The process of frequency upconversion is described and optimized by the doubly resonant cavity-enhanced sum frequency generation theory under the condition of undepleted pump approximation. By selecting the suitable reflectivity of the signal input mirror and the incident pump power, a cavity-enhanced frequency conversion efficiency of 94.6% was obtained for signal powers up to 25 mW with an input pump power of 780 mW.

Place, publisher, year, edition, pages
2017. Vol. 123, no 2, 52
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:umu:diva-133210DOI: 10.1007/s00340-016-6626-2ISI: 000394290900001OAI: oai:DiVA.org:umu-133210DiVA: diva2:1088551
Available from: 2017-04-13 Created: 2017-04-13 Last updated: 2017-04-13Bibliographically approved

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Ma, Weiguang
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Department of Physics
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Applied physics. B, Lasers and optics (Print)
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CiteExportLink to record
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  • apa
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