Researchers at Columbia Engineering have developed a new class of integrated photonic devices—"leaky-wave metasurfaces"—that can convert light initially confined in an optical waveguide to an ...

With an applied physics: optics degree, you’ll gain specialized expertise in optics, preparing you for diverse career opportunities in technology, research, and academia. Become who you’re meant to be ...

Terahertz (THz) wave generation has emerged as a frontier in both fundamental physics and practical applications, spanning imaging, spectroscopy and high-speed telecommunications. Central to these ...

These devices are the first to demonstrate simultaneous control of all four optical degrees of freedom, namely, amplitude, phase, polarization ellipticity, and polarization orientation--a world record ...