Gerd Leuchs

Latest

• Thermal noise in electro-optic devices at cryogenic temperatures
• Nonlinear power dependence of the spectral properties of an optical parametric oscillator below threshold in the quantum regime
• Squeezed vacuum states from a whispering gallery mode resonator
• Resonant electro-optic frequency comb
• Sensitivity limits of millimeter-wave photonic radiometers based on efficient electro-optic upconverters
• Towards terahertz detection and calibration through spontaneous parametric down-conversion in the terahertz idler-frequency range generated by a 795 nm diode laser system
• Polarization-Selective Out-Coupling of Whispering-Gallery Modes
• Dielectric tuning and coupling of whispering gallery modes using an anisotropic prism
• Nonlinear and quantum optics with whispering gallery resonators
• Efficient microwave to optical photon conversion: an electro-optical realization
• Frequency tuning of single photons from a whispering-gallery mode resonator to MHz-wide transitions
• Interfacing transitions of different alkali atoms and telecom bands using one narrowband photon pair source
• Near-infrared single-photon spectroscopy of a whispering gallery mode resonator using energy-resolving transition edge sensors
• Highly efficient generation of single-mode photon pairs from a crystalline whispering-gallery-mode resonator source
• High-Q MgF$_2$ whispering gallery mode resonators for refractometric sensing in aqueous environment
• Identifying modes of large whispering-gallery mode resonators from the spectrum and emission pattern
• Crystalline MgF$_2$ whispering gallery mode resonators for enhanced bulk index sensitivity
• Experimental characterization of an uniaxial angle cut whispering gallery mode resonator