Caltech scientists have developed a new way to produce optical frequency combs—important tools in devices that keep time and ...

A tunable metasurface can control optical light in space and time, offering a path toward new ways of wirelessly and securely transmitting large amounts of data both on Earth and in space. It is a ...

Optical frequency combs—laser sources that emit evenly spaced colors of light—are foundational, ubiquitous tools for ...

Physicists have engineered light to drift sideways in discrete, quantized steps inside a fiber-optic loop, reproducing a signature behavior of the quantum Hall effect without electrons, magnetic ...

This solution reflects Genuine Optics’ strength in next-generation optical interconnects”— Genuine Optics CEO Madhav ...

For high-speed and large-capacity optical communication applications and improvement of accuracy in microwave generation and evaluation equipment Results: NTT and their partners have developed a ...

Optical frequency combs have revolutionized technologies such as atomic clocks, spectroscopy, and ultra-fast lasers by acting as precise bridges between optical and microwave frequencies. As the ...

NTT Corp. (NTT) and Tokyo Denki University, both based in Japan, have succeeded in further stabilizing the output of an optical frequency ruler generated by modulating the intensity and phase of laser ...

In a paper published July 24 in the journal Nature Nanotechnology, a team of Caltech engineers reports building a metasurface patterned with miniscule tunable antennas capable of reflecting an ...