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Search results for electro-optic

Optics & Photonics Oct 12, 2023

High-speed electro-optic modulation in topological interface states of a one-dimensional lattice

Electro-optic modulators, which convert signals from the electrical to the optical domain, are at the heart of optical communications, terahertz wireless communications, microwave signal processing, and quantum technology. ...

Analytical Chemistry Oct 11, 2023

Q&A: Expert discusses past and future of Nobel-winning quantum dots technology

The world woke up on Oct. 3 to learn that Moungi Bawendi of MIT, Louis Brus of Columbia University, and Alexei Ekimov of Nanocrystals Inc. received the Nobel Prize in Chemistry for their discovery and synthesis of semiconductor ...

Optics & Photonics Oct 11, 2023

Ultra-wideband heterogeneous integrated photodiodes on thin-film lithium niobate platform

Owing to its strong electro-optic coefficient and wide transparency window, lithium niobate (LN) has become an attractive photonic material. Thin-film lithium niobate (TFLN) technology has enabled tight mode confinement and ...

Optics & Photonics Oct 11, 2023

High-throughput terahertz imaging: Progress and challenges

Lying between the infrared and millimeter wave regimes, terahertz waves possess many unique properties, prompting numerous compelling imaging applications, such as non-destructive testing, security screening, biomedical diagnosis, ...

Soft Matter Oct 9, 2023

Combining a bulky chain with a stable polymer to enhance liquid crystal performance

From laptop screens to navigation systems, liquid crystals are ubiquitous in modern life. These materials flow like liquids, but their molecules align with one another in a way that resembles the orientational order of a ...

Space Exploration Oct 8, 2023

It's time to start worrying about space junk around the moon, too

It's getting crowded up there. An increase in military, commercial and scientific launches, coupled with a lower cost for rideshare cubesat launches, means lots more space junk to deal with in coming years. And we're not ...

Optics & Photonics Aug 29, 2023

In a first, researchers apply dual frequency comb technology to photonic thermometers

Photonic thermometers, which measure temperature using light, have the potential to revolutionize temperature measurement by being faster, smaller, and more robust than traditional thermometers. In essence, the sensors work ...

Optics & Photonics Aug 23, 2023

Team develops way to integrate electro-optic modulator device on end faces of a single-mode optical fiber jumper

Electro-optic modulators (EOMs) are cardinal elements in the optical communication networks that control the amplitude, phase and polarization of a light via external electric signals. Aiming to realize ultracompact and high-performance ...

Condensed Matter Jul 27, 2023

Controlling the electro-optic response of a perovskite coupled to a phonon-resonant cavity

Electron-phonon scattering is often the primary mechanism limiting electron mobility in semiconductors. Thus, changing phonon properties can provide a way to control conductivity. Recently, there has been a growing interest ...

Polymers Jun 30, 2023

New ferroelectric material could give robots muscles

A new type of ferroelectric polymer that is exceptionally good at converting electrical energy into mechanical strain holds promise as a high-performance motion controller or "actuator" with great potential for applications ...

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