Sept. 2023: "Time-dependent growth of nuclear spin polarization under periodic optical pumping" is published in Physical Review B (link) July 2023: "Measurement of optically-pumped electron spin polarization in n-GaAs at high external electric fields" is published in Physica B (link) May 2023: "Two-pump optical manipulation of resonant spin amplification" is published in the Journal of Applied Physics (link) June 2022: Michael has successfully defended his thesis. Congratulations, Dr. Dominguez! May 2022: Howard has successfully defended his thesis. Congratulations, Dr. Hsu! December 2021: "Nuclear-induced frequency focusing and Overhauser field distributions in periodically pumped gallium arsenide" is published in Physical Review B (link to article) May 2021: Spencer has successfully defended his thesis. Congratulations, Dr. Batalden! May 2021: "Spatially-resolved measurements of spin valley polarization in MOCVD-grown monolayer WSe2" is published in Optics Express (link to article) March 2021: Spencer and Michael present at the 2021 APS March Meeting March 2021: "Illumination-induced modulation of conductivity and Gunn oscillation properties in epitaxial GaAs" is published in Journal of Applied Physics (link to article) August 2020: "Gunn threshold voltage characterization in GaAs devices with wedge-shaped tapering" is published in Journal of Applied Physics (link to article) July 2020: Joe has successfully defended his thesis. Congratulations, Dr. Iafrate! May 2020: "Dynamic nuclear polarization by optical Stark effect in periodically pumped gallium arsenide" is published in Physical Review B (link to article) February 2020: Joe receives the 2020 Joshua E. Neimark Memorial Travel Assistance Award to present at the 2020 AAAS Annual Meeting! April 2019: Michael has successfully defended his thesis. Congratulations, Dr. Macmahon! February 2019: "Observation of magnetic field sweep direction dependent dynamic nuclear polarization under periodic optical electron spin pumping" is published in Physical Review B (link to article) June 2018: "Effect of modified periodic waveforms on current-induced spin polarization measurements" is published in AIP Advances (link to article) March 2018: Xinlin has successfully defended his thesis. Congratulations, Dr. Song! March 2018: Joe and Spencer present at the 2018 APS March Meeting in Los Angeles, California Nov. 2017: "Current-induced spin polarization in InGaAs and GaAs epilayers with varying doping densities" is published in Physical Review B (link to article) June 2017: "Gate control of the spin mobility through the modification of the spin-orbit interaction in two-dimensional systems" is published in Physical Review B (link to article) June 2017: Vanessa and Xinlin present at the 2017 Workshop on Spins, Valleys, and Topological States in 2D and Layered Materials in Columbus, Ohio Apr. 2017: Marta has successfully defended her thesis. Congratulations, Dr. Luengo-Kovac! Mar. 2017: Marta and Xinlin present at the APS March Meeting in New Orleans, Louisiana Jan. 2017: "Structural differences between capped GaSb nanostructures grown by Stranski-Krastanov and droplet epitaxy growth modes" is published in Journal of Applied Physics (link to article) July 2016: "Long-Lived Hole Spin/Valley Polarization Probed by Kerr Rotation in Monolayer WSe2" is published in Nano Letters (link to article) Mar. 2016: Marta, Michael, and Xinlin present at the APS March Meeting in Baltimore, Maryland Nov. 2015: "Resonant and time-resolved spin noise spectroscopy" is published in Applied Physics Letters (link to article) July 2015: Brennan has successfully defended his thesis. Congratulations, Dr. Pursley! May 2015: "g-factor modification in a bulk InGaAs epilayer by an in-plane electric field" is published as a Rapid Communication in Physical Review B (link to article) May 2015: Chris has successfully defended his thesis. Congratulations, Dr. Trowbridge! March 2015: Vanessa, Brennan, and Marta present at the APS March Meeting in San Antonio, Texas March 2015: "Amplifying optical rotation using a coupled waveguide and ring resonator" is published in Optics Express (link to article) Feb. 2015: "Robustness of n-GaAs carrier spin properties to 5 MeV proton irradiation" is published in Applied Physics Letters (link to article) and highlighted by AIP Publishing ("A New Spin on Spintronics") Feb. 2015: "Phase effects due to previous pulses in time-resolved Faraday rotation measurements" is published in the Journal of Applied Physics (link to article) Jan. 2015: "Anisotropic spin dephasing of impurity-bound electron spins in ZnO" is published in Applied Physics Letters (link to article) Aug. 2014: "Dynamic nuclear polarization from current-induced electron spin polarization" is published in Physical Review B (link to article) July 2014: Jieun has successfully defended her thesis. Congratulations, Dr. Lee! May 2014: "Dynamic nuclear polarization from current-induced electron spin polarization" is on arXiv (link to article) April 2014: Ben has successfully defended his thesis. Congratulations, Dr. Norman! March 2014: Chris and Ben presented at the APS March meeting in Denver. Feb. 2014: "Current-Induced Spin Polarization in Anisotropic Spin-Orbit Fields" is published in Physical Review Letters and selected as an Editors' Suggestion (link to article) Oct. 2013: Tim has successfully defended his thesis. Congratulations, Dr. Saucer! Sept. 2013: "Atom probe tomography analysis of different modes of Sb intermixing in GaSb quantum dots and wells" is published in Applied Physics Letters (link to article) Sept. 2013: "Ga nanoparticle-enhanced photoluminescence of GaAs" is published in Applied Physics Letters (link to article) August 2013: "Optimizing nanophotonic cavity designs with the gravitational search algorithm" is published in Optics Express (link to article). July 2013: Ben and Brennan presented at Spintech VII in Chicago. May 2013: "Effects of pre-determined lateral separation on quantum dot size and dissolution" is published in Applied Physics Letters (link to article). May 2013: "Analyzing pattern retention for multilayer focused ion beam induced quantum dot structures" is published in the Journal of Vacuum Science & Technology (link to article). March 2013: Jieun, Marta, and Chris presented at the APS March meeting in Baltimore. March 2013: "The disintegration of GaSb/GaAs nanostructures upon capping" is published in Applied Physics Letters (link to article). January 2013: "Spin lifetime measurements in GaAsBi thin films" is published in Applied Physics Letters (link to article). January 2013: "Time-Resolved Two-Pulse Excitation of Quantum Dots Coupled to a Photonic Crystal Cavity in the Purcell Regime" is published in Physical Review Letters (link to article). December 2012: Graduate students Bryan Ramson and Michael Macmahon have joined the group - Welcome! August 2012: "Surface plasmon resonances of Ga nanoparticle arrays" is published in Applied Physics Letters (link to article). March 2012: Brennan receives a 2012 National Science Foundation Graduate Research Fellowship - Congratulations! March 2012: "Lateral patterning of multilayer InAs/GaAs(001) quantum dot structures by in vacuo focused ion beam" is published in Nanotechnology (link to article). Feb. 2012: Ben and Brennan presented at the APS March meeting in Boston. Jan. 2012: "Analysis of defect-free GaSb/GaAs(001) quantum dots grown on the Sb-terminated (2x8) surface" is published in the Journal of Vacuum Science and Technology B (link to article). Oct. 2011: "Ground-state exciton emission of InAs quantum dots produced by Focused-Ion-Beam-directed nucleation" has been accepted for publication in the Journal of Luminescence (link to article). Sept. 2011: We are part of a new National Science Foundation MRSEC on Photonic and Multiscale Nanomaterials. (link) July 2011: Vanessa presented an invited talk at the 2nd Advanced Workshop on Spin and Charge Properties of Low Dimensional Systems in Brasov, Romania, July 17-22. July 2011: "Electron spin polarization-based integrated photonic devices" is published in Optics Express (link to article). June 2011: Physics graduate student Marta Luengo-Kovac has joined the group - Welcome! June 2011: Garrett Rodriguez has joined the group through the Physics REU program - Welcome! May 2011: Mary Hemmeter has joined the group through the UROP Semiconductor Research Fellowship program - Welcome! Mar. 2011: Ben, Tim, Jieun, and Chris presented at the APS March meeting in Dallas. Jan. 2011: "Photoluminescence Imaging of Focused Ion Beam Induced Individual Quantum Dots" has been accepted for publication in Nano Letters (link to article). Dec. 2010: "Photoluminescence of patterned arrays of vertically stacked InAs/GaAs quantum dots" has been accepted for Fast-Track publication in Solid State Communications (link to article). Oct. 2010: UROP student Adam Nagel has joined the group - Welcome! Aug. 2010: Applied Physics graduate student Brennan Pursley has joined the group - Welcome! Aug. 2010: "Mapping spin-orbit splitting in strained (In,Ga)As epilayers" is published as a Rapid Communication in Phys. Rev. B (link to article). June 2010: "Mapping spin-orbit splitting in strained InGaAs epilayers" is posted on arXiv (link to article). May 2010: REU student Debbie Tien joins the group - Welcome! April 2010: Ben receives the 2010 Peter Franken Award. April 2010: Tim receives an Honorable Mention from the NSF Graduate Research Fellowship Program. Feb. 2010: Vanessa receives a Rackham Faculty Research Grant. Jan. 2010: Physics graduate student Jieun Lee has joined the group - Welcome! Nov. 2009: Ben presented at the 5th NTT-BRL school in Atsugi, Japan, Nov. 24-27. Oct. 2009: UROP students Anchal Agarwal, Kevin Carpenter, and Milly Milfort have joined the group - Welcome! July 2009: Vanessa receives a CAREER award from the National Science Foundation. May 2009: Michael Wang and Nathan McKay join the group as Intel/UROP Summer Researchers. May 2009: Tim is a co-recipient of the 2009 Peter Franken Award. April 2009: Vanessa presented an invited talk at the 55th Midwest Solid State Conference at the University of Iowa, April 18-19. Jan. 2009: Physics graduate student Ben Norman has joined the group - Welcome! Jan. 2009: Applied Physics graduate student Chris Trowbridge has joined the group - Welcome! Dec. 2008: Our lab renovation is complete! Click here for pictures. Nov. 2008: Physics graduate student Tim Saucer has joined the group - Welcome! Sept. 2008: Undergraduate students Nathan McKay, Melissa Zabel, and Matthew Weiss have joined the group - Welcome!