The new method, which uses quantum dots, performs as well as or better than current infrared light sources while being much ...

(Nanowerk News) Researchers have successfully created electrically defined quantum dots in zinc oxide (ZnO) heterostructures, marking a significant milestone in the development of quantum technologies ...

In order to build the computers and devices of tomorrow, we have to understand how they use energy today. That's harder than it sounds. Memory storage, information processing, and energy use in these ...

Accurate alignment of quantum dots with photonic components is critical for extracting the radiation emitted by the dots. In this illustration, a quantum dot centered in the optical "hotspot" of a ...

Now, researchers at Zhejiang University in China have combined these two elements in an innovative way. They created electronic light sensors that use water's molecular properties to enhance the ...

Quantum dots and semiconductor nanocrystals are nanoscale materials that exhibit distinctive optical and electronic properties due to quantum confinement effects. Their ability to emit light at ...

Quantum computers leverage the properties of quantum physics to process larger amounts of data significantly faster than classical computers. The basic units, quantum bits (or qubits), simultaneously ...

Such alignment is critical for chip-scale devices that employ the radiation emitted by quantum dots to store and transmit quantum information. For the first time, the NIST researchers achieved this ...

Devices that can confine individual electrons are potential building blocks for quantum information systems. But the electrons must be protected from external disturbances. RIKEN researchers have now ...

The structure of the zinc oxide (ZnO) device. A two-dimensional electron gas (2DEG) forms at the (Mg, Zn)O/ZnO interface. By applying voltages to the gate electrodes, we can confine electrons in a ...