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Items tagged with "single photon"

August 14, 2013

Photons a la Mode

The photodetectors in Alan Migdall’s lab often see no light at all, and that’s a good thing since he and his JQI (*) colleagues perform physics experiments that require very little light, the better to study subtle quantum effects. Their latest achievement, described here, is to develop a new way of counting photons to understand the sources and modes of light in modern physics experiments.

August 8, 2013

JQI Podcast Episode 9

Can you see a single photon? Does it weigh anything? Emily Edwards talks to Alan Migdall, an expert on single photon technology. Part 2 of three installments on photons. 

June 18, 2013

Quantum Information in Low Light

JQI researchers in the lab of Alan Migdall, demonstrate how one category of photo-detection system can make highly accurate readings of incoming information at the single-photon level by allowing the detector in some instances not to give a conclusive answer.

March 31, 2013

Quantum Dot Commands Light

All computers, even the future quantum versions, use logic operations or “gates,” which are the fundamental building blocks of computational processes. JQI scientists, led by Professor Edo Waks, have performed an ultrafast logic gate on a photon, using a semiconductor quantum dot.

February 27, 2013

JQI Paper "Most Read" in Reviews of Scientific Instruments

Recently, a paper from Alan Migdall's group at NIST was cited as 2012's "Most Read" in Reviews of Scientific Instruments. This paper, while technical, offers comprehensive coverage of single photon technology.

A New Phase in Reading Photons
January 6, 2013

A New Phase in Reading Photons

A JQI photodetector beats the quantum limit by a factor of four.

Optical ring resonator, K. Srinivasan, JQI
March 21, 2012

A One-way Street for Light

Researchers propose using ring resonators to construct a micro-optical diode that can be used for quantum information.