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Kerr-nonlinearity optical parametric oscillation in an ultrahigh-Q toroid microcavity | T J Kippenberg
; S M Spillane
; K J Vahala
; | Date: |
20 Aug 2004 | Journal: | Phys Rev Lett, 93 (8), 083904 | Abstract: | Kerr-nonlinearity induced optical parametric oscillation in a microcavity is reported for the first time. Geometrical control of toroid microcavities enables a transition from stimulated Raman to optical parametric-oscillation regimes. Optical parametric oscillation is observed at record low threshold levels (174 micro-Watts of launched power) more than 2 orders of magnitude lower than for optical-fiber-based optical parametric oscillation. In addition to their microscopic size (typically tens of microns), these oscillators are wafer based, exhibit high conversion efficiency (36%), and are operating in a highly ideal "two photon" emission regime, with near-unity (0.97+/-0.03) idler-to-signal ratio. | Source: | PubMed, pmid15447188 | Services: | Forum | Review | Favorites |
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