scholarly journals Precision spectroscopy of exotic atoms involving muons

2019 ◽  
Author(s):  
Sohtaro Kanda ◽  
Katsuhiko Ishida ◽  
Koichiro Shimomura
Keyword(s):  
Precision Spectroscopy ◽  
Exotic Atoms

THE EFFECT OF COLLISIONS IN PRECISION SPECTROSCOPY

1981 ◽  
Vol 42 (C8) ◽  
pp. C8-29-C8-35
Author(s):  
V. A. Alekseev
Keyword(s):  
Precision Spectroscopy

scholarly journals 422 Million intrinsic quality factor planar integrated all-waveguide resonator with sub-MHz linewidth

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Matthew W. Puckett ◽  
Kaikai Liu ◽  
Nitesh Chauhan ◽  
Qiancheng Zhao ◽  
Naijun Jin ◽  
...  
Keyword(s):  
Quality Factor ◽  
High Capacity ◽  
Precision Spectroscopy ◽  
Narrow Linewidth ◽  
Waveguide Resonator ◽  
Environmental Disturbances ◽  
Fiber Communications ◽  
Intrinsic Quality ◽  
Quality Factor Q ◽  
Quantum Photonics

AbstractHigh quality-factor (Q) optical resonators are a key component for ultra-narrow linewidth lasers, frequency stabilization, precision spectroscopy and quantum applications. Integration in a photonic waveguide platform is key to reducing cost, size, power and sensitivity to environmental disturbances. However, to date, the Q of all-waveguide resonators has been relegated to below 260 Million. Here, we report a Si3N4 resonator with 422 Million intrinsic and 3.4 Billion absorption-limited Qs. The resonator has 453 kHz intrinsic, 906 kHz loaded, and 57 kHz absorption-limited linewidths and the corresponding 0.060 dB m−1 loss is the lowest reported to date for waveguides with deposited oxide upper cladding. These results are achieved through a careful reduction of scattering and absorption losses that we simulate, quantify and correlate to measurements. This advancement in waveguide resonator technology paves the way to all-waveguide Billion Q cavities for applications including nonlinear optics, atomic clocks, quantum photonics and high-capacity fiber communications.

scholarly journals Precision spectroscopy of the molecular ion HD+: Control of Zeeman shifts

2010 ◽  
Vol 82 (5) ◽  
Author(s):  
Dimitar Bakalov ◽  
Vladimir Korobov ◽  
Stephan Schiller
Keyword(s):  
Precision Spectroscopy ◽  
Molecular Ion
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