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Optoelectronics & Communications

Effective measurement-device-independent quantum cryptography

A new protocol involves joint entangled measurements and can be applied to continuous variable systems for hacking-safe communication.

Transfer of both the spin and orbital angular momentum properties of a single photon has been experimentally demonstrated for the first time.
1 October 2015
Nonlinear quantum mechanical interactions between light and matter could lead to all-optical switching and transistor action for optical-computing platforms.
15 September 2015
Diluting organic molecules in a polymer matrix material suppresses non-radiative behavior, leading to biluminescence, wherein light is emitted efficiently from both singlet and triplet states.
11 September 2015
The use of blue-phase liquid crystals in bandpass filters based on photonic integrated circuits enables the birefringence to be modulated via optical tuning.
4 September 2015
Nanostructured devices with discrete pixels exhibit photonic functions, enabling the smallest polarization beam-splitter to date.
27 August 2015
Dirk Englund: Developing quantum technologies in scalable semiconductor systems