Quantum Electrical Measurements News

Schematic showing a single photon source (SPS) that is created from a quantum dot (QD) by optically pumping it with a periodically pulsed … more

One of the oldest forms of computer memory is back again—but in a 21st century microscopic device designed by physicists at the National … more

Marlin Kraft of PML's Quantum Measurement Division adjusts connections on a current shunt resistor that dates from 1899. At left is NIST's … more

A pair of nanobeams is held side-by-side and separated by a nanoscale gap, with more

JQI researcher Creston Herold examines part of the experimental apparatus.   Scientists from … more

Igor Vayshenker works with the tunable laser system. The U.S. Internet – and indeed any communication system that sends information by … more

The outside of the deposition chamber with researcher Kevin Dwyer looking on, and a close-up of the inside showing the silicon target (glowing … more

Close-up of water-jet target (vertical line, ~ 0.2 mm wide) used to produce picosecond x-ray pulses. Credit: Jens Uhlig One of the most urgently … more

Clean room manager John Nibarger examines a wafer carrier on a new load-locked deposition tool for sputtering noble-metal materials. After months … more

Researcher Kevin Wright checks part of the experimental apparatus. Scientists have created the first controllable atomic circuit that functions … more

Scanning electron micrograph of the cross-section of a silicon nitride waveguide designed for the low-noise frequency conversion with a simulation … more

Patrick Abbot inspects the upper (vacuum) section of the apparatus. The impending redefinition of the kilogram presents a weighty dilemma. Methods … more

A close-up photo of the center of the experimental set-up. The small transparent chamber that holds the ultracold more

  PML researcher Janet Cassard examines samples of the two new Reference Materials to be used for calibrating microscale measurements on … more

Chris Cromer examines one of PML’s next-generation power meters, built for the Air Force, that is capable of handling inputs as high as … more