Naturally Phase-Matched Second-Harmonic Generation in a Whispering-Gallery-Mode Resonator
Publication: Research - peer-review › Journal article – Annual report year: 2010
We demonstrate for the first time natural phase matching for optical frequency doubling in a high-Q whispering-gallery-mode resonator made of lithium niobate. A conversion efficiency of 9% is achieved at 30 μW in-coupled continuous wave pump power. The observed saturation pump power of 3.2 mW is almost 2 orders of magnitude lower than the state-of-the-art value. This suggests an application of our frequency doubler as a source of nonclassical light requiring only a low-power pump, which easily can be quantum noise limited. Our theoretical analysis of the three-wave mixing in a whispering-gallery-mode resonator provides the relative conversion efficiencies for frequency doubling in various modes.
| Original language | English |
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| Journal | Physical Review Letters |
| Publication date | 2010 |
| Volume | 104 |
| Journal number | 15 |
| Pages | 153901 |
| ISSN | 0031-9007 |
| DOIs | |
| State | Published |
Bibliographical note
Copyright 2010 American Physical Society
| Citations | Web of Science® Times Cited: 39 |
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