Article-Journal

Highly efficient generation of single-mode photon pairs from a crystalline whispering-gallery-mode resonator source
We report a highly efficient source of narrow-band photon pairs based on parametric down-conversion in a crystalline …
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High-Q MgF$_2$ whispering gallery mode resonators for refractometric sensing in aqueous environment
We present our experiments on refractometric sensing with ultrahigh-Q, crystalline, birefringent magnesium fluoride (MgF_2) whispering …
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Identifying modes of large whispering-gallery mode resonators from the spectrum and emission pattern
Identifying the mode numbers in whispering-gallery mode resonators (WGMRs) is important for tailoring them to experimental needs. Here …
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In optical pumping, less can be more
Lasing is based on the process of optical gain. Once this gain provided through external pumping surpasses the loss in a resonator, …
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Crystalline MgF$_2$ whispering gallery mode resonators for enhanced bulk index sensitivity
We report on experiments on refractrometric sensing with crystalline Whispering Gallery Mode (WGM) resonators made of magnesium …
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Taking detection to the limit with optical microcavities: Recent advances presented at the 560. WE Heraeus Seminar
We provide a review on the applications of whispering gallery mode resonators in sensing, and biosensing in particular. We highlight …
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Sub-kHz lasing of a CaF$_2$ whispering gallery mode resonator stabilized fiber ring laser
We utilize a high quality calcium fluoride whispering-gallery-mode resonator to passively stabilize a simple erbium doped fiber ring …
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Whispering gallery modes at the rim of an axisymmetric optical resonator: Analytical versus numerical description and comparison with experiment
Optical whispering gallery modes (WGMs) of mm-sized axisymmetric resonators are well localized at the equator. Employing this …
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Experimental characterization of an uniaxial angle cut whispering gallery mode resonator
The usual configuration of uniaxial whispering gallery mode resonators is a disk shaped geometry where the optic axis points along the …
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Directional emission of dielectric disks with a finite scatterer in the THz regime
In the Terahertz (THz) domain, we investigate both numerically and experimentally the directional emission of whispering gallery mode …
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