Researchers have designed a new device that can efficiently create multiple frequency-entangled photons, a feat that cannot be achieved with today's optical devices. The new approach could open a path ...

Abstract: For time-critical applications, the freshness of information often goes hand in hand with confidentiality to ensure the integrity of sensitive data. Quantum communications are expected to ...

Abstract: Public communication links can serve as shelters to facilitate covert transmissions. To improve the covertness performance, we regard multiple multi-antenna public users as friends and ...

PAWNEE, Okla. — The Pawnee police department upgraded its dispatch center with a new antenna and radio equipment. Troy Choplin, with the city, donated two antennas. He said it was possible because ...

Hannah Wong told staff she is moving on to her “next chapter.” The company will be running an executive search to find a replacement, according to a memo. OpenAI’s chief communications officer, Hannah ...