Showing 1–20 of 28 results
/ Date/ Name
Jan 4, 2019Uncertainty evaluation of an $^{171}$Yb optical lattice clock at NMIJJan 24, 2025Geometric Mean Improves Loss For Few-Shot LearningMar 24, 2016Absolute frequency measurements and hyperfine structures of the molecular iodine transitions at 578 nmJun 21, 2015A compact iodine-laser operating at 531 nm with stability at the 10$^{-12}$ level and using a coin-sized laser moduleFeb 26, 2025Improved absolute frequency measurement of $^{171}$Yb at NMIJ with uncertainty below $2\times10^{-16}$Nov 15, 2020Demonstration of the nearly continuous operation of an $^{171}$Yb optical lattice clock for half a yearDec 12, 2022Search for ultralight dark matter from long-term frequency comparisons of optical and microwave atomic clocksMay 23, 2016Second harmonic generation at 399 nm resonant on the $^{1}S_{0}-^{1}P_{1}$ transition of ytterbium using a periodically poled LiNbO$_{3}$ waveguideApr 17, 2024Generation of a precise time scale assisted by a near-continuously operating optical lattice clockSep 22, 2022Enhancement of charge-neutral fermionic excitation near spin-flop transition\\ in magnetic Kondo material YbIr$_3$Si$_7$Feb 21, 2024Isotope-shift analysis with the $4f^{14}6s^{2}~^1S_0- 4f^{13}5d6s^{2}(J=2)$ transition in ytterbiumSep 13, 2024Second-order difference subspaceSep 14, 2015Improved frequency measurement of the $^1S_{0}$-$^3P_{0}$ clock transition in $^{87}$Sr using the Cs fountain clock at NMIJ as a transfer oscillatorJan 8, 2020Potential for improving the local realization of coordinated universal time with a convolutional neural networkOct 29, 2019Discriminant analysis based on projection onto generalized difference subspaceSep 25, 2024Measurement of transition frequencies and hyperfine constants of molecular iodine at 520.2 nmMay 10, 2025Coordinated international comparisons between optical clocks connected via fiber and satellite linksMay 18, 2018A frequency-stabilized light source at 399 nm using an Yb hollow-cathode lampOct 20, 2020Improved Frequency Ratio Measurement with 87Sr and 171Yb Optical Lattice Clocks at NMIJNov 8, 2021Grassmannian learning mutual subspace method for image set recognition