42 citations · 77 across the 3 of their papers we have counts for
3 papers
astro-ph.IM2021★ 19 cited
Erbium-doped-fiber-based broad visible range frequency comb with a 30 GHz mode spacing for astronomical applications
Keisuke Nakamura, Ken Kashiwagi, Sho Okubo +1
Optical frequency combs have the potential to improve the precision of the radial velocity measurement of celestial bodies, leading to breakthroughs in such fields as exoplanet exp…
quant-ph2007★ 42 cited
Storage and retrieval of nonclassical photon pairs and conditional single photons generated by parametric down-conversion process
K. Akiba, K. Kashiwagi, M. Arikawa +1
Storage and retrieval of parametric down-conversion (PDC) photons are demonstrated with electromagnetically induced transparency (EIT). Extreme frequency filtering is performed for…
quant-ph2007★ 16 cited
Frequency filtered storage of parametric fluorescence with electromagnetically induced transparency
K. Akiba, K. Kashiwagi, T. Yonehara +1
The broadband parametric fluorescence pulse (probe light) with center frequency resonant on 87Rb D1 line was injected into a cold atomic ensemble with coherent light (control light…