Researchers have created an optical chip that is based on a quadrilateral Mach–Zehnder interferometer network and is easy to reconfigure for various functions. Pictured are a microscope image of the ...

Researchers developed a chip-based single-phonon directional coupler that carries out controllable splitting and achieves quantum-level performance. The device could enable microscopic on-chip routers ...

Researchers have developed an easy-to-use optical chip that can configure itself to achieve various functions. The positive real-valued matrix computation they have achieved gives the chip the ...