Welcome to our research group at the University of Michigan.
Our research focuses on the interactions of electron spins
and photons in semiconductor nanostructures for potential
applications in novel spintronic and optoelectronic devices.


Interested in joining our research group? Click here to find out more.


Recent group news:

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!

Dec. 2009: Vanessa receives an Elizabeth C. Crosby research award from the University of Michigan ADVANCE program.

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.



Research supported by: