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Physical Measurement Laboratory / Time and Frequency Division

Quantum & Nonlinear Nanophotonics Group

Projects/Programs

Displaying 1 - 7 of 7
laser technologies

Chip-scale ultraprecise laser technologies

Ongoing
Lasers with high spectral purity are used in a diverse application space, including coherent high-speed communications, physical sensing, and manipulation of quantum systems. Lab bench scale Fabry-Perot cavities based on sophisticated vibration, thermal, and atmospheric isolation have made possible
optical clock

Compact strontium optical clock with integrated photonics

Ongoing
The development of a liter-scale apparatus to produce Sr, would enable highly accurate, transportable optical clocks based on their ultra-narrow optical transition. However, straightforward miniaturization of the traditional optical infrastructure necessary to implement multi-step laser cooling has
laser wavelength

Laser-wavelength conversion with nonlinear photonics

Ongoing
Many sophisticated technologies, including detection and characterization of biological samples, quantum sensing of magnetic and electric fields, time standards based on atomic clocks, and precision metrology, demand versatile laser sources spanning a broad range of wavelengths. Nonlinear optics
microcombs

Microresonator frequency combs for the NIST-on-a-Chip Program

Ongoing
The invention of optical-frequency combs opened many new applications in photonics from precision timing and ranging to generation of entangled states. They are composed of hundreds to millions of optical modes whose frequencies conform to a simple relationship, ν n = n × f rep +f 0, where n is the
nanophotonic

Nonlinear nanophotonic control of light

Ongoing
Light-matter interactions with nonlinear materials provide a powerful tool for converting optical fields from one state to another. For example, nonlinear wavelength conversion leverages efficient scattering of photons of a single frequency to another, enabling generation of coherent sources across
integrated photonics

Precision metrology with integrated photonics

Ongoing
This project develops integrated photonics– devices based on waveguides that are fabricated in a nanoscale device layer on a silicon wafer –for the purposes of exploring nonlinear science, enabling new applications with scalable integrated photonics light sources, and enhancing classical and quantum
semiconductor integration

Semiconductor Integration of Electronics and Photonics

Ongoing
Using integrated photonics, we generate spectrally flat, dark soliton microresonator frequency combs with accurate alignment to the ITU-T grid. These laser sources support innovation in advanced communication and computation applications. Moreover, technical development in these application areas