Optical Frequency Synthesis From a Cryogenic Sapphire Oscillator Using a Fiber-Based Frequency Comb. - Ken-ichi Watabe; Hajime Inaba; Ken'ichiro Okumura; Feng-Lei Hong; John G. Hartnett; Clayton R. Locke; Giorgio Santarelli; Shinya Yanagimachi; Kaoru Minoshima; Takeshi Ikegami; Atsushi Onae; Shin-ichi Ohshima; et al. (IEEE Trans. Instrum. Meas., 2007)

Reevaluation of the Optically Pumped Cesium Frequency Standard NRLM-4 With an H-Bend Ring Cavity. - Ken Hagimoto; Yasuki Koga; Takeshi Ikegami (IEEE Trans. Instrum. Meas., 2008)

Uncertainty Evaluation of -100-dBc/Hz Flat Phase Noise Standard at 10 MHz. - Shinya Yanagimachi; Ken-ichi Watabe; Takeshi Ikegami; Hitoshi Iida; Yozo Shimada (IEEE Trans. Instrum. Meas., 2013)

Preliminary Evaluation of the Cesium Fountain Primary Frequency Standard NMIJ-F2. - Akifumi Takamizawa; Shinya Yanagimachi; Takehiko Tanabe; Ken Hagimoto; Iku Hirano; Ken-ichi Watabe; Takeshi Ikegami; John G. Hartnett (IEEE Trans. Instrum. Meas., 2015)