TY - JOUR
T1 - A high-performance optical lattice clock based on bosonic atoms
AU - Origlia, Stefano
AU - Pramod, Mysore Srinivas
AU - Schiller, Stephan
AU - Singh, Yeshpal
AU - Bongs, Kai
AU - Schwarz, Roman
AU - Al-Masoudi, Ali
AU - Dörscher, Sören
AU - Herbers, Sofia
AU - Häfner, Sebastian
AU - Sterr, Uwe
AU - Lisdat, Christian
PY - 2018/11/29
Y1 - 2018/11/29
N2 - Optical lattice clocks with uncertainty and instability in the 10- 17-range and below have so far been demonstrated exclusively using fermions. Here, we demonstrate a bosonic optical lattice clock with 3 x 10 10-18 instability and 2.0 x 10- 17 accuracy, both values improving on previous work by a factor 30. This was enabled by probing the clock transition with an ultra-long interrogation time of 4 s, using the long coherence time provided by a cryogenic silicon resonator, by careful stabilization of relevant operating parameters, and by operating at low atom density. This work demonstrates that bosonic clocks, in combination with highly coherent interrogation lasers, are suitable for high-accuracy applications with particular requirements, such as high reliability, transportability, operation in space, or suitability for particular fundamental physics topics. As an example, we determine the 88Sr - 87Sr isotope shift with 12 mHz uncertainty
AB - Optical lattice clocks with uncertainty and instability in the 10- 17-range and below have so far been demonstrated exclusively using fermions. Here, we demonstrate a bosonic optical lattice clock with 3 x 10 10-18 instability and 2.0 x 10- 17 accuracy, both values improving on previous work by a factor 30. This was enabled by probing the clock transition with an ultra-long interrogation time of 4 s, using the long coherence time provided by a cryogenic silicon resonator, by careful stabilization of relevant operating parameters, and by operating at low atom density. This work demonstrates that bosonic clocks, in combination with highly coherent interrogation lasers, are suitable for high-accuracy applications with particular requirements, such as high reliability, transportability, operation in space, or suitability for particular fundamental physics topics. As an example, we determine the 88Sr - 87Sr isotope shift with 12 mHz uncertainty
KW - physics.atom-ph
KW - quant-ph
U2 - 10.1103/PhysRevA.98.053443
DO - 10.1103/PhysRevA.98.053443
M3 - Article
SN - 1550-7998
VL - 98
JO - Physical Review D - Particles, Fields, Gravitation and Cosmology
JF - Physical Review D - Particles, Fields, Gravitation and Cosmology
IS - 5
M1 - 053443
ER -