Search results for fibre communications

Materials Science Oct 17, 2017

Stiff fibres spun from slime

Nature is an excellent teacher – even for material scientists. Researchers, including scientists at the Max Planck Institute of Colloids and Interfaces, have now observed a remarkable mechanism by which polymer materials ...

Quantum Physics Sep 25, 2014

Final proof for optimal encoding strategies in optical communication

The massive transfer of data over the Internet that is vital to today's economy in our information society would not be possible without the crucial role played by fibre optics communication. Every time a node of the Internet ...

Optics & Photonics May 27, 2013

Researchers discover a way to dramatically reduce distortion in long distance fiber cable

(Phys.org) —A team of researchers working at Bell Labs in New Jersey has found a way to dramatically reduce the amount of distortion in long distance fiber cables. Their method results, the team reports in their paper published ...

Optics & Photonics Mar 11, 2021

Real-time observation of frequency Bloch oscillations with fibre loop modulation

Bloch oscillations (BOs) were initially predicted for electrons in a solid lattice as a static electric field is applied. Scientists in China created a synthetic frequency lattice in a fiber loop under detuned phase modulation ...

Quantum Physics Sep 2, 2020

Revolutionary quantum breakthrough paves way for safer online communication

The world is one step closer to having a totally secure internet and an answer to the growing threat of cyber-attacks, thanks to a team of international scientists who have created a unique prototype which could transform ...

Optics & Photonics May 14, 2020

Hybrid multi-chip assembly of optical communication engines via 3-D nanolithography

Three-dimensional (3-D) nanoprinting of freeform optical waveguides also known as photonic wire bonding can efficiently couple between photonic chips to greatly simplify optical system assembly. The shape and trajectory of ...

Quantum Physics Jan 28, 2019

All-photonic quantum repeaters could lead to a faster, more secure global quantum internet

Engineering researchers have demonstrated proof-of-principle for a device that could serve as the backbone of a future quantum Internet. University of Toronto Engineering professor Hoi-Kwong Lo and his collaborators have ...

Engineering Nov 20, 2014

Research promises innovations in secure communications technology

Dr Zhang Yixin of Nanjing University, China, talks about his development of a true random number generator using only the camera of a smartphone, with no other specialized equipment. To date, true random number generators ...

Optics & Photonics Jan 24, 2022

Twin-field quantum key distribution (QKD) across an 830-km fibre

By using quantum key distribution (QKD), quantum cryptographers can share information via theoretic secure keys between remote peers through physics-based protocols. The laws of quantum physics dictate that photons carrying ...

Quantum Physics Apr 26, 2017

Establishing the boundaries of quantum secure communications

Scientists at the University of York's Centre for Quantum Technology have made an important breakthrough in the theory of quantum secure communications.

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