Optics

Secure optical cryptography moves closer to reality

Quantum cryptography, secure optical communications based on single photons of polarised light, is feasible up to 40 km with commercial equipment at wavelengths where fibres are most efficient at ...
NextBigFuture

CNT for optical-based quantum cryptography and quantum computing

Nanotubes integrated into electroluminescent devices can provide greater control over timing of light emission and they can be feasibly integrated into photonic structures. They are highlighting the ...

Direct 3D printing of nanolasers can boost optical computing and quantum security

In future high-tech industries, such as high-speed optical computing for massive AI, quantum cryptographic communication, and ...
EurekAlert!

Slicing optical beams: Cryptographic algorithms for quantum networks

"Our models are based on specific quantum functions. They turn classic information into quantum states of photons. Those functions were created to transform algorithms into models of quantum branching ...
Optics

Chinese group creates terabit optical architecture with quantum cryptography

The AI boom has created unprecedented demands for data traffic. But the infrastructure needed to support it faces mounting challenges. AI data centers must deliver faster, more reliable communication ...
Nature

Beyond single-photon counting

The ability to distinguish how many photons comprise a particular state of light leads to significant benefits in practical quantum information processing and quantum cryptography. Superconducting ...
EDN

Startup to use IBM tech for optical cryptography

LONDON — Optical chip and module specialist Princeton Lightwave has licensed IBM’s single-photon detection (SPD) technology for use in an avalanche photodiode it is developing for single-photon ...
EDN

Research Update: Optical switch routes single photons of quantum cryptography

Researchers at NTT (Nippon Telegraph and Telephone), Japan, demonstrated switching of single photons for use in ultrasecure quantum cryptography, which may supersede public-key systems for even more ...
ZDNet

Researchers create an 'un-hackable' quantum network over hundreds of kilometers using optical fiber

Researchers from Toshiba have successfully sent quantum information over 600-kilometer-long optical fibers, creating a new distance record and paving the way for large-scale quantum networks that ...
Business Wire

ADVA launches world’s first optical transport solution with post-quantum cryptography

MUNICH--(BUSINESS WIRE)--ADVA (FSE: ADV) today launched the industry’s first optical transport solution secured by post-quantum cryptography (PQC). The FSP 3000 ConnectGuard™ optical encryption ...
sciencex

Slicing optical beams: cryptographic algorithms for quantum networks

New mathematical models can help transfer information in prospective quantum communication channels. "Our models are based on specific quantum functions. They turn classic information into quantum ...