3 papers
physics.optics2023
Silent White Light
Kai Niklas Hansmann, Franziska Dommermuth, Wolfgang Elsäßer +1
We investigate the intra-waveguide statistics manipulation of broadband light by combining semiconductor quantum dot physics with quantum optics. By cooling a quantum dot superlumi…
cond-mat.quant-gas2023
Forming complex neurons by four-wave mixing in a Bose-Einstein condensate
Kai Niklas Hansmann, Reinhold Walser
A physical artificial complex-valued neuron is formed by four-wave mixing in a homogeneous three-dimensional Bose-Einstein condensate. Bragg beamsplitter pulses prepare superpositi…
cond-mat.quant-gas2023
Efficient multipole representation for matter-wave optics
Jan Teske, Reinhold Walser
Technical optics with matter waves requires a universal description of three-dimensional traps, lenses, and complex matter-wave fields. In analogy to the two-dimensional Zernike ex…