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Temporal coherence ...
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Strömqvist, GustavKTH,Laserfysik
(författare)
Temporal coherence in mirrorless optical parametric oscillators
- Artikel/kapitelEngelska2012
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Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-92274
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-92274URI
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https://doi.org/10.1364/JOSAB.29.001194DOI
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Språk:engelska
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Sammanfattning på:engelska
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Klassifikation
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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QC 20120702
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One of the unique features of mirrorless optical parametric oscillators based on counterpropagating three-wave interactions is the narrow spectral width of the wave generated in the backward direction. In this work, we investigate experimentally and numerically the influence that a strong phase modulation in the pump has on the spectral bandwidths of the parametric waves and on the efficiency of the nonlinear interaction. The effects of group-velocity mismatch and group-velocity dispersion are elucidated. In particular, it is shown that the substantial increase in temporal coherence of the backward-generated wave can be obtained even for pumping with a temporally incoherent pump. A configuration of a mirrorless optical parametric oscillator is proposed where this gain in spectral coherence is maximized without a penalty in conversion efficiency by employing group-velocity matching of the pump and the forward-generated parametric wave.
Ämnesord och genrebeteckningar
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NATURVETENSKAP Fysik hsv//swe
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NATURAL SCIENCES Physical Sciences hsv//eng
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Counterpropagating
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Group velocities
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Group-velocity mismatch
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Incoherent pump
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Nonlinear interactions
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Parametric waves
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Spectral bandwidth
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Spectral coherence
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Spectral widths
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Temporal coherence
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Three-wave interactions
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Unique features
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Conversion efficiency
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Phase modulation
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Pasiskevicius, ValdasKTH,Laserfysik(Swepub:kth)u108iqot
(författare)
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Canalias, CarlotaKTH,Laserfysik(Swepub:kth)u1gtitq9
(författare)
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Aschieri, Pierre
(författare)
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Picozzi, Antonio
(författare)
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Montes, Carlos
(författare)
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KTHLaserfysik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of the Optical Society of America. B, Optical physics29:6, s. 1194-12020740-32241520-8540
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