Search results for tunnel diode

Optics & Photonics Apr 29, 2021

Silicon multiplexer chip will drive next generation communications

Researchers from Osaka University, Japan and the University of Adelaide, Australia have worked together to produce the new multiplexer made from pure silicon for terahertz-range communications in the 300-GHz band.

Optics & Photonics Apr 20, 2021

Study could lead to production of more efficient optoelectronic devices

Diodes are widely used electronic devices that act as one-way switches for current. A well-known example is the LED (light-emitting diode), but there is a special class of diodes designed to make use of the phenomenon known ...

Nanophysics Apr 06, 2021

High-order superlattices by rolling up van der Waals heterostructures

Two-dimensional (2D) materials and van der Waals (vdW) heterostructures are flexible materials with distinct atomic layers beyond traditional units of lattice-matching requirements. Nevertheless, the 2D van der Waals structures ...

Optics & Photonics Mar 09, 2021

Microscope allows ultrafast nanoscale manipulation while tracking energy dynamics

Since the early 2010s, ultrafast probing of materials at atomic-level resolution has been enabled by terahertz scanning tunneling microscopes (THz-STM). But these devices can't detect the dissipation of energy that happens ...

Optics & Photonics Mar 08, 2021

Key step reached to­ward long-​sought goal of a silicon-​based laser

When it comes to microelectronics, there is one chemical element like no other: silicon, the workhorse of the transistor technology that drives our information society. The countless electronic devices we use in everyday ...

General Physics Jan 12, 2021

The realization of a single-quantum-dot heat valve

While many research teams worldwide are trying to develop highly performing quantum computers, some are working on tools to control the flow of heat inside of them. Just like conventional computers, in fact, quantum computers ...

Nanomaterials Nov 19, 2020

A 2-D perspective: Stacking materials to realize a low power consuming future

Scientists have designed a 2-D material-based multi-stacked structure comprising tungsten disulfide (WS2) layer sandwiched between hexagonal boron nitride (hBN) layers that displays long-range interaction between successive ...

General Physics Sep 18, 2020

Resonant tunneling diode oscillators for terahertz-wave detection

A semiconductor device that is promising for both generating and detecting terahertz radiation has been demonstrated by physicists at RIKEN. This may aid the development of high-performance integrated solutions for terahertz ...

Nanophysics Sep 03, 2020

Autonomous robot plays with NanoLEGO

Molecules are the building blocks of everyday life. Many materials are composed of them, a little like a LEGO model consists of a multitude of different bricks. But while individual LEGO bricks can be simply shifted or removed, ...

Quantum Physics Jul 03, 2020

Wiring a new path to scalable quantum computing

Last year, Google produced a 53-qubit quantum computer that could perform a specific calculation significantly faster than the world's fastest supercomputer. Like most of today's largest quantum computers, this system boasts ...

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