A team of physicists has shown that quantum-encrypted keys can travel 75 miles through the same fiber-optic cable already ...

Image encryption and optical security systems have rapidly evolved into essential tools for safeguarding sensitive visual data across diverse applications. By utilising the principles of optics in ...

In an era where the internet connects virtually every aspect of our lives, the security of information systems has become paramount. Safeguarding critical databases containing private and commercial ...

(Nanowerk News) Metasurfaces, composed of nanoresonator arrays with tailored structure and subwavelength feature size, show the potential of manipulating various degrees of freedom for manipulating ...

Engineers are introducing the first all-optical "stealth" encryption technology that will be significantly more secure and private for highly sensitive cloud-computing and data center network ...

To guarantee high data security, encryption must be unbreakable while the data remains rapidly and easily readable. A novel strategy for optical encryption/decryption of information has now been ...

Engineers at the University of California, Los Angeles (UCLA) have announced a "major advance" in optical computing technology, which they say promises to enhance data processing and encryption. This ...

(Nanowerk Spotlight) Light passing through most transparent materials, like glass lenses or windows, behaves the same way regardless of which direction it travels. This property, known as Lorentz ...

With the development of the information era, encryption technologies have become a critical foundation for high-security applications such as military communications, medical privacy, and commercial ...

The coordinator of the European Commission-supported "CiViQ" project - part of the wider billion-euro flagship effort to develop useful quantum technologies - says that new prototypes will be tested ...

Privacy is an obvious concern now that everything from smartphones to smartwatches to even smart glasses has built-in cameras. Banning covert cameras is never going ...