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The goal of this project is to extend and improve the measurements of the key climate record of the long-term balance between Earth absorption of solar energy
Condensed matter dynamics can evolve on a subpicosecond timescale, too fast to follow using many characterization techniques. We use femtosecond optical pulses
Optical frequency combs convert a laser source containing a single frequency of light into pulses that include thousands of frequencies. This project aims to
To support comb-based measurements outside the metrology laboratory, we develop high performance, robust frequency combs based on fiber-optic technology.
GaN nanowires grown by catalyst-free molecular beam epitaxy have the unique property that most nanowires are completely free of crystalline defects. This
High power lasers capable of continuous output powers ranging from hundreds of watts to tens-of-thousands of watts present exciting opportunities for rapid
Scanning probe technology is an essential tool for measuring nanostructure properties. A major goal in our project is to develop unique probes that combine
Single photons are the fundamental particles for all optical measurements. Single photon detectors made from avalanche photodiodes or photomultiplier tubes are
We synthesize semiconductor nanostructures to serve both as test structures for measurement techniques and as building blocks for novel metrology tools and
Accurate characterization of photonic equipment is important for optical communications, medical devices, semiconductor lithography, manufacturing and materials
The goal of this project is to develop single photon source and detector measurement and calibration capabilities to support the emerging quantum industry and
Calibrated and characterized single photon sources and detectors are building blocks of the infrastructure required to achieve widely used, industrialized
The smallest unit of light is a "photon". Generation, manipulation and measurement of light at or near the fundamental limit of a photon can enhance the
This research leverages a new laser technology, the super-continuum laser, to produce a programmable solar simulator that can rapidly configure to match nearly
Imaging in the terahertz frequency range enables the detection of concealed weapons and other contraband (e.g., explosives under clothing) without the use of
The Waveform Metrology Project provides measurement and algorithmic support for waveform traceability to the optics and high-frequency electronics industries