Coherent microwave-to-optical conversion via six-wave mixing in Rydberg atoms
We present an experimental demonstration of converting a microwave field to an optical field
via frequency mixing in a cloud of cold Rb 87 atoms, where the microwave field strongly …
via frequency mixing in a cloud of cold Rb 87 atoms, where the microwave field strongly …
Efficient microwave-to-optical conversion using Rydberg atoms
We demonstrate microwave-to-optical conversion using six-wave mixing in cold Rb 87
atoms where the microwave field couples to two Rydberg states and propagates collinearly …
atoms where the microwave field couples to two Rydberg states and propagates collinearly …
Two-way interconversion of millimeter-wave and optical fields in Rydberg gases
We show that cold Rydberg gases enable an efficient six-wave mixing process where
terahertz or microwave fields are coherently converted into optical fields and vice versa. This …
terahertz or microwave fields are coherently converted into optical fields and vice versa. This …
Ion imaging via long-range interaction with Rydberg atoms
We demonstrate imaging of ions in an atomic gas with ion–Rydberg-atom interaction
induced absorption. This is made possible by utilizing a multiphoton electromagnetically …
induced absorption. This is made possible by utilizing a multiphoton electromagnetically …
Spectral shift and dephasing of electromagnetically induced transparency in an interacting Rydberg gas
We perform spectroscopic measurements of electromagnetically induced transparency (EIT)
in a strongly interacting Rydberg gas. We observe a significant spectral shift and attenuation …
in a strongly interacting Rydberg gas. We observe a significant spectral shift and attenuation …
Rydberg electromagnetically induced transparency in 40K ultracold Fermi gases
G Bian, B Shan, L Huang, J Zhang - Chinese Optics Letters, 2023 - opg.optica.org
We report the measurement of the electromagnetically induced transparency (EIT) with
Rydberg states in ultracold K40 Fermi gases, which is obtained through a two-photon …
Rydberg states in ultracold K40 Fermi gases, which is obtained through a two-photon …
Acoustic quasibound states and tachyonic instabilities from binary Bose-Einstein condensates
WC Syu, DS Lee - Physical Review D, 2024 - APS
We consider two-component Bose-Einstein condensates (BECs) and introduce the BEC
vortex in 1+ 2 dimensions. We focus on two types of gapped excitations induced by the …
vortex in 1+ 2 dimensions. We focus on two types of gapped excitations induced by the …
Density matrix reconstruction of three-level atoms via Rydberg electromagnetically induced transparency
We present combined measurements of the spatially resolved optical spectrum and the total
excited-atom number in an ultracold gas of three-level atoms under electromagnetically …
excited-atom number in an ultracold gas of three-level atoms under electromagnetically …
Micro-lensing-induced line shapes in a single-mode cold-atom–hollow-core-fiber interface
M Noaman, M Langbecker, P Windpassinger - Optics Letters, 2018 - opg.optica.org
We report on the observation of strong transmission line shape alterations in a cold-atom–
hollow-core-fiber interface. We show that this can lead to a significant overestimation of the …
hollow-core-fiber interface. We show that this can lead to a significant overestimation of the …
Microwave-assisted Rydberg electromagnetically induced transparency
We demonstrate electromagnetically induced transparency (EIT) in a four-level cascade-like
system, where the two upper levels are Rydberg states coupled by a microwave field. A two …
system, where the two upper levels are Rydberg states coupled by a microwave field. A two …