Journal article · Preprint article
Quantum Light from a Whispering-Gallery-Mode Disk Resonator
Optical parametric down-conversion has proven to be a valuable source of nonclassical light. The process is inherently able to produce twin-beam correlations along with individual intensity squeezing of either parametric beam, when pumped far above threshold. Here, we present for the first time the direct observation of intensity squeezing of -1.2 dB of each of the individual parametric beams in parametric down-conversion by use of a high quality whispering-gallery-mode disk resonator.
In addition, we observed twin-beam quantum correlations of -2.7 dB with this cavity. Such resonators feature strong optical confinement and offer tunable coupling to an external optical field. This work exemplifies the potential of crystalline whispering-gallery-mode resonators for the generation of quantum light.
The simplicity of this device makes the application of quantum light in various fields highly feasible.
Language: | English |
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Publisher: | AMER PHYSICAL SOC |
Year: | 2011 |
Pages: | 113901 |
ISSN: | 00319007 and 10797114 |
Types: | Journal article and Preprint article |
DOI: | 10.1103/PhysRevLett.106.113901 |
ORCIDs: | Andersen, Ulrik Lund |