Scientists discover time and frequency signals can transmit on the same laser wavelength

Joint time and frequency transfer in optical fiber has been widely discussed and there are several kinds of schemes. However, they all ha...

Scientists find a route to generate an intense single attosecond vortex pulse

Angular momentum is an intrinsic property of light, with spin angular momentum (SAM) of h (h is the Planck’s constant) per photon carrie...

Chinese team makes nanoscopy breakthrough

Chinese research team has developed an advanced imaging technique to achieve super-resolution microscopy at unprecedented speeds and with...