One of the most profound open questions in modern physics is: "Is gravity quantum?" The other fundamental ...

By using paired, offset optical combs and RF electronics, researchers devised a unique atomic-clock architecture.

An optical lattice affords just that possibility: it is a crystal formed by interfering laser beams, with a typical dimension about 1,000 times larger than that of a conventional crystal.

An optical lattice clock is a type of atomic clock that ... measurement of atomic clock transitions, along with the laser and control system used for trapping and spectroscopy of atoms, was ...

When exposed to periodic driving, which is the time-dependent manipulation of a system's parameters, quantum systems can ...

Researchers at the Technion -- Israel Institute of Technology have developed a coherent and controllable spin-optical laser based on ... confined photonic spin lattice, the latter of which ...

Developers used shallow “web” of laser light to trap atoms, instead of previous optical lattice. The red dot is a reflection of the laser light used to create the atom trap. Enabling pinpoint ...

Laser-cooled atoms are trapped in the optical lattice, and the clock transition frequency is measured with high precision in a low-temperature blackbody radiation shield. ©Shimadzu Corporation ...

Another laser then induces an electron transition ... The key limiting factor in an optical lattice clock is blackbody radiation, says Jun Ye, lead researcher of the JILA lab.

They were aware that by turning on an optical lattice (i.e., a laser-made egg carton–like box), using it to pin atoms and ...

MIT physicists have taken the first-ever direct images of individual atoms interacting freely in space. Their findings, ...