Laboratory optical atomic clocks achieve remarkable accuracy (now counted to 18 digits or
more), opening possibilities for exploring fundamental physics and enabling new …

Devices based on spectroscopy of atomic vapors can measure physical quantities such as
magnetic fields, RF electric fields, time and length, and rotation and have applications in a …

Extralaboratory atomic clocks are necessary for a wide array of applications (eg, satellite-
based navigation and communication). Building upon existing vapor-cell and laser …

We describe a high-performance, compact optical frequency standard based on a
microfabricated Rb vapor cell and a low-noise, external cavity diode laser operating on the …

Optical clocks are emerging as next-generation timekee** devices with technological and
scientific use cases. Simplified atomic sources such as vapor cells may offer a …

Frequency combs based on nonlinear optical phenomena in integrated photonics are a
versatile light source that can explore new applications, including frequency metrology …

In this study, a dual-interrogation (DI) method was used to suppress the light shift in the Rb
778 nm 5S1/2→ 5D5/2 two-photon transition optical frequency standard (2h ν-OFS). The …

We report an aging study on micro-fabricated alkali vapor cells using neon as a buffer gas.
An experimental atomic clock setup is used to measure the cell's intrinsic frequency, by …

The rubidium 5 S-5 D Doppler-free two-photon transition has been observed in a thermal
vapor cell by detecting the infrared radiation emitted during the decay from the 5 D excited …

The 5 S 1/2→ 5 D 5/2 two-photon transition in Rb is of interest for the development of a
compact optical atomic clock. Here we present a rigorous calculation of the 778.1-nm ac …