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Quantum Optics Lab (Tojo Lab)
Welcome to Tojo Lab
We perform experiments with cold atoms using laser cooling techniques, with room temperature atoms in nonlinear regime, and experiment and calculation with atoms and molecules in an optical near-field since 2012.
Recent Lab News
Dec. 23, 2019: Our experimental research on near-resonant optical trap for of Rb atoms on "Effective trapping of cold atoms using dipole and radiative forces in an optical trap" was published on Physical Review A. See the link．
July. 24 - Aug. 7, 2019: Prof. Wang-Yau Cheng (National Central University in Taiwan) visited our lab as an invited professor.
May 29, 2019: Our experimental research on two-photon spectroscopy of Rb atoms in a magnetic field on "Quantitative investigation of the Zeeman and Paschen-Back effects of the hyperfine structure during the rubidium 5 2S1/2→ 5 2D5/2 two-photon transition" was published on Physical Review A. See the link．
Jun. 17 - Feb. 6, 2019: Prof. Daniel Bloch (Laboratoire de Physique des Lasers, CNRS, Université Paris 13) visited our lab as an invited professor.
July 30 - Aug. 16, 2018: Mr. Junior Lukusa Mudiayi (PhD student, Université Paris 13) visited our lab.
May 29 - June 8, 2018: Prof. Athanasios Laliotis (Laboratoire de Physique des Lasers, CNRS, Université Paris 13) visited our lab.
July 6, 2017: Our first experimental research on high phase-space density of laser cooled Rb atoms in an optical trap on "Loading of atoms into an optical trap with high initial phase-space density" was published on Physical Review A. See the link．
Apr.15, 2017: Our calculation research on atomic multipole transitions in an optical near field collaborated with Prof. Daniel Bloch at LPL in Université Paris 13 in France on "Excitation enhancement in electric multipole transitions near a nanoedge" was published on Optics Express. See the link．
Mar. 25, 2016: Our collaborative research with Prof. Yatsui Group in University of Tokyo on "Optically controlled magnetic-field etching on the nano-scale" was published on Light: Science & Applications. See the research news from University of Tokyo.
