Michael Scheucher
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View article: Trapping a single atom in the evanescent field of a WGM-resonator
Trapping a single atom in the evanescent field of a WGM-resonator Open
We demonstrate the trapping of single atoms in the evanescent field of a whispering-gallery-mode (WGM) resonator with a standing wave optical dipole trap. We present our progress towards an improved trap loading scheme.
View article: Discrimination of coherent and incoherent cathodoluminescence using temporal photon correlations
Discrimination of coherent and incoherent cathodoluminescence using temporal photon correlations Open
We present a method to separate coherent and incoherent contributions of cathodoluminescence (CL) by using a time-resolved coincidence detection scheme. For a proof-of-concept experiment, we generate CL by irradiating an optical multimode …
View article: Coupling a Single Trapped Atom to a Whispering-Gallery-Mode Microresonator
Coupling a Single Trapped Atom to a Whispering-Gallery-Mode Microresonator Open
We demonstrate trapping of a single ^{85}Rb atom at a distance of about 200 nm from the surface of a whispering-gallery-mode bottle microresonator. The atom is trapped in an optical potential, which is created by retroreflecting a red-detu…
View article: Observing coherence effects in an overdamped quantum system
Observing coherence effects in an overdamped quantum system Open
It is usually considered that the spectrum of an optical cavity coupled to an atomic medium does not exhibit a normal-mode splitting unless the system satisfies the strong coupling condition, meaning the Rabi frequency of the coherent coup…