Welcome to Chris Xu Group
Our research has two main thrusts: biomedical imaging and fiber optics. We are exploring new concept and techniques, including novel ultrafast lasers and fiber optics, adaptive optics, and computation/ML, for imaging deep and fast.
Learn more about our research.
Latest News
Multi-color deep imaging, Science Advances (03/17/2021).
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SPIE Luminary: Chris Xu (02/05/2021)
With this series, SPIE celebrates...
Review paper on three-photon imaging is published in Optica (08/11/2020).
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Three new papers published. Two on multiphoton imaging depth limit and the third on measurements of optical transmission of various tissues (12/2021).
Multiphoton imaging depth limit:...
Chris Xu is the new holder of the IBM Professorship of Engineering, a prestigious endowed chair (07/01/2020).
Deep three-photon imaging of the brain in intact adult zebrafish is published in Nature Methods (04/27/2020).
Dawnis M. Chow, David Sinefeld,...
Quantitative analysis of three-photon calcium imaging is published in eLife (01/30/2020)
Tianyu Wang, Chunyan Wu, Dimitre...
New adaptive excitation source for multiphoton imaging is published in Nature Methods (12/02/2019)
An adaptive excitation source for...
Latest Publications
Measurement of Third Order Coherence by in situ Simultaneous Second and Third Order Autocorrelation
Aaron K. LaViolette, Mihailo R...
Two photon imaging probe with highly efficient autofluorescence collection at high scattering and deep imaging conditions
Berk Camli, Liam Andrus, Aditya...
Label-free, whole-brain in vivo mapping in an adult vertebrate with third harmonic generation microscopy
Najva Akbari, Rose L. Tatarsky,...
The bright prospects of optical solitons after 50 years
Andrea Blanco-Redondo, C. Martijn...
Measurement of three-photon excitation cross-sections of fluorescein from 1154 nm to 1500 nm
Aaron K. LaViolette, Dimitre G....
Whole-brain optical access in a small adult vertebrate with two- and three-photon microscopy
NajvaAkbari, Rose L.Tatarsky,...
Latest Patents
Multi-path, multi-magnification, non-confocal fluorescence emission endoscopy apparatus and methods
US Patent 8,705,184 Multi-path,...
Producing Optical Pulses of a Desired Wavelength Using Cherenkov Radiation
US 8,556,824 Producing Optical...
Production of Optical Pulses at a Desired Wavelengt Using Soliton Self-Frequency Shift in Higher Order Mode Fiber
US 8,554,035 Production of...
Multi-path, multi-magnification, non-confocal fluorescence emission endoscopy apparatus and methods
US 8,553,337 Multi-path,...
Methods and systems for compensation of self-phase modulation in fiber-based amplification systems
US 8,102,594 Methods and systems...
All-optical, continuously tunable, pulse delay generator using wavelength conversion and dispersion
US 7,538,935 All-optical,...