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Tag: Nick Vamivakas

Device creates negative mass — and a novel way to generate lasers

Device creates negative mass — and a novel way to generate lasers

January 3, 2018

Rochester researchers have created particles with negative mass in an atomically thin semiconductor, using a device that creates an optical microcavity.

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NSF CAREER winners blend research and education

NSF CAREER winners blend research and education

June 7, 2016

Four Rochester researchers are among the latest recipients of the National Science Foundation’s most prestigious award for junior faculty members.

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Levitation demonstrated in a vacuum with nanosize particles and lasers: study

Levitation demonstrated in a vacuum with nanosize particles and lasers: study

September 7, 2015

Researchers have proved levitation is possible with nanosize diamonds in a vacuum, according to a new study published in the journal Nature Photononics.

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Researchers use laser to levitate glowing nanodiamonds in vacuum

Researchers use laser to levitate glowing nanodiamonds in vacuum

September 4, 2015

Nick Vamivakas, assistant professor of optics, thinks his team’s work will make extremely sensitive instruments for sensing tiny forces and torques possible, and could also lead to a way to physically create larger-scale quantum systems known as macroscopic Schrödinger Cat states.

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Defects in atomically thin semiconductor emit single photons

Defects in atomically thin semiconductor emit single photons

May 4, 2015

Until now, optically active quantum dots have not been observed in materials consisting of a single layer of atom, also known as 2D materials. Rochester researchers have shown how the 2D material tungsten diselenide can be fashioned into an atomically thin semiconductor that serves as a platform for solid-state quantum dots.

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Researchers send electricity, light along same super-thin wire

Researchers send electricity, light along same super-thin wire

September 4, 2014

A new combination of materials can efficiently guide electricity and light along the same tiny wire, a finding that could be a step towards building computer chips capable of transporting digital information at the speed of light.

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