Defining security in quantum key distribution with Carla Ferradini, Martin Sandfuchs, and Renato Renner The security of quantum key distribution (QKD) is quantified by a parameter ε >0, which—under ...

Nearly 100 years ago, a seemingly simple discovery revolutionized the microscope. The introduction of phase contrast, which ...

Artistic rendering of noncollinear sum-frequency generation (SFG): two infrared pulses mix in a χ² crystal to produce three output pulses (green), with the central SFG pulse being the primary output ...

Co-packaged optics (CPO) technology, a key enabler for next-generation data center architectures, promises unprecedented bandwidth density and power efficiency by tightly integrating optical engines ...

Add Outdoor Life (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Red ...

THE term 'Introduction' applied to a text-book on a branch of physics gives little idea of the standard and scope of the work. Those who are familiar with the customary method of teaching optics will ...

Get up to speed on the weird world of AI in just six editions of our new free newsletter. It feels as though AI is moving a million miles a minute. Every week, it seems, there are product launches, ...

The Harvard Math Department will pilot a new introductory course aimed at rectifying a lack of foundational algebra skills among students, according to Harvard’s Director of Introductory Math Brendan ...

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 ...

In his new role as director of photonics education at Thorlabs, Bill Warger ’03 is giving high school and college students a hands-on introduction to the fascinating, growing field of photonics. In ...

Techniques resulting from the work of Pierre Agostini, Ferenc Krausz and Anne L’Huillier let scientists capture the motions of subatomic particles moving at impossible speeds. By Emma Bubola and ...