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4 papers · 2 filters
Single Atoms on an Optical Nanofiber
K. P. Nayak, K. Hakuta
We show that single-atoms can be trapped on the surface of a subwavelength-diameter silica-fiber, an optical nanofiber, without any external field, and that single photons spontane…
Cooperative enhancement of channeling of emission from atoms into a nanofiber
Fam Le Kien, K. Hakuta
We show the possibility of directional \textit{guided} superradiance from a string of atoms separated by one or several wavelengths in a line parallel to the axis of a nanofiber. W…
Rectified momentum transport for a kicked Bose-Einstein Condensate
Mark Sadgrove, Munekazu Horikoshi, Tetsuo Sekimura +1
We report the experimental observation of rectified momentum transport for a Bose-Einstein Condensate kicked at the Talbot time (quantum resonance) by an optical standing wave. Ato…
Phonon-mediated decay of an atom in a surface-induced potential
Fam Le Kien, S. Dutta Gupta, K. Hakuta
We study phonon-mediated transitions between translational levels of an atom in a surface-induced potential. We present a general master equation governing the dynamics of the tran…