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Displaying: 1 - 10 of 38 Results

Faster testing for illicit drugs

Researchers in the Whitesides lab have developed a portable and easy to use Magneto-Archimedes Levitation (MagLev) device for identifying the composition of illicit drug mixtures. A diamagnetic sample (in this case, an unknown drug mixture) is…


  • George Whitesides
  • Christoffer Abrahamsson
  • Amit Nagarkar
  • Michael Fink
  • Daniel Preston
  • Markus Nemitz
  • Shencheng Ge
  • Joseph Bozenko

Achromatic multi-zone metalens for AR/VR systems

Augmented reality (AR) and virtual reality (VR) hardware is composed of optical elements, displays, sensors and electronics. Optics in particular are highly important to the quality and experience of AR/VR, and classical optical devices impose…


  • Federico Capasso

An achromatic and polarization-insensitive metalens for compact optics

Metasurfaces are a type of flat optics that leverage subwavelength features to control light. Metalenses, a type of metasurface, have emerged as a breakthrough technology to enable compact and efficient optical devices, whereas classical optical…


  • Federico Capasso
  • Wei-Ting Chen
  • Alexander Zhu

Quantum Metrology based on Strongly Correlated Matter

Sensors using individual atomic defects in diamond have revolutionized local magnetic sensing. This technology is based on the insight that higher densities of defects can produce more sensitive detectors. However, at very high densities,…


  • Mikhail Lukin
  • Norman Yao
  • Soonwon Choi

Widely tunable submillimeter wavelength molecular laser optically pumped by a quantum cascade laser

Researchers from Federico Capasso’s lab along with collaborators from MIT and the US Army have developed a compact, tunable laser source for terahertz frequencies, a largely untapped region of the electromagnetic spectrum with exciting applications…


  • Federico Capasso
  • Paul Chevalier
  • Arman Amirzhan
  • Marco Piccardo

Stick-on Large-Strain Sensors for Soft Robots

Soft robots require sensors that are soft, stretchable, and conformable to preserve their adaptivity and safety. This technology provides “stick-on” large-strain sensors for soft robots and enables novel functionality for wearable robots, serving as…


  • Robert Howe
  • Zhigang Suo
  • Canhui Yang
  • Sibo Cheng
  • Yashraj Narang

Graphene device for terahertz wave generation - opportunities for next gen medical imaging

Terahertz (THz) waves are a desirable source for non-invasive imaging for medical and security purposes, as they are non-ionizing and do not damage tissues. However, generation of THz radiation is significantly more challenging than generating…


  • Mikhail Lukin
  • Bo Dwyer
  • Trond Andersen
  • Javier Sanchez-Yamagishi
  • Hongkun Park
  • Philip Kim
  • Eugene Demler
  • Kartiek Agarwal

Pattern Detection at Low Signal-To-Noise Ratio

Robust detection of patterns at low signal-to-noise ratios (SNR) is a fundamental challenge of analyzing imaging data, particularly in biological imaging. Harvard researchers have developed innovative computational algorithms for detecting and…


  • Nancy Kleckner
  • Frederick Chang

Integrated mounting solution for solid state spin sensors used for bulk detection and imaging

Sensors based on solid state spin system for measuring magnetic fields, electric fields, temperature, pressure, and other physical quantities can offer high resolution sensing at low cost and low power input. These systems employ point defects in…


  • Ronald Walsworth
  • Matthew Turner
  • John Barry
  • Jennifer Schloss

Compact, broadband meta-surface spectrometer

Meta-surfaces, planar arrays of subwavelength-spaced optical elements that modulate incident light, are poised to revolutionize the field of optics. Traditional optical elements are produced by labor-intensive glass molding techniques, and often…


  • Federico Capasso
  • Mohammadreza Khorasaninejad
  • Wei-Ting Chen
  • Jaewon Oh
  • Alexander Zhu
  • Muhammad Zaidi
  • Robert Devlin

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