Schematic diagram and microscopic observation of an optical fiber doped with rare-earth atoms. The fluorescence from the entire optical fiber can be seen. (b) Schematic diagram and microscopic ...

The ability to control dynamics of quantum states by optical interference, and subsequent electrical read-out, is crucial for solid state quantum technologies. Ramsey interference has been ...

In a new publication from Opto-Electronic Advances; DOI 10.29026/oea.2022.210045, researchers from the National University of Singapore, Singapore, discuss confocal laser speckle autocorrelation ...

Ultra-short pulses in the order of femtoseconds and picoseconds are finding its way into various industrial applications from micromachining to optical sensing and imaging. Due to their extremely ...

The autocorrelation and power-spectrum approach to the problem of describing near-random functions of time in electrical communications systems is applied to the objective description of the ...