Quantum Matter Group

Research

Our research interests broadly encompass: Light matter interactions, Nanostructured Materials, Coupled Quantum Systems, and Quantum Information.

The primary focus of our research lies on the control and scalability of interactions between quantum systems such as quantum dots.

There are research opportunities available for interested undergraduate students throughout the year.

The Quantum Matter Group teams include the following:

Quantum Dot Molecules (experimental)

Large-scale Quantum Dot Systems (experimental)

Nanoparticles (experimental)

Publications

2013

S. Ramanathan, G. Petersen, K. Wijesundara, R. Thota, E. A. Stinaff, M. L. Kerfoot, M.l Scheibner, A. S. Bracker, and D. Gammon, "Quantum-confined Stark effects in coupled InAs/GaAs quantum dots" APL 102, 213101 (2013)

2012

M. Scheibner, S.E. Economou, A.S. Bracker, D. Gammon, I.V. Ponomarev, "Entangled photon pair generation with quantum dot molecules," JOSA B 29, A82 (2012)

2009

M. Scheibner, A.S. Bracker, D. Kim, D. Gammon,”Essential Concepts in the Optical Properties of Quantum Dot Molecules,” Solid State Communications, 149, 1427 (2009)

K. C. Wijesundara, M. Garrido, S. Ramanathan, E. A. Stinaff, M. Scheibner, A.S. Bracker, and D. Gammon, “Electric field tunable exchange interaction in InAs/GaAs coupled quantum dots,” MRS Proceedings 1117E, 1117-J04-08 (2009)

M. Garrido, K. C. Wijesundara, S. Ramanathan, E. A. Stinaff, M. Scheibner, A.S. Bracker, and D. Gammon, “Characterization of the shell structure in coupled quantum dots through resonant optical probing,” MRS Proceedings 1117E, 1117-J05-03 (2009).

M. F. Doty, J.I. Climente, M. Korkusinski, M. Scheibner, A.S. Bracker, P. Hawrylak, and D. Gammon, “Antibonding ground states in semiconductor artificial molecules,” Phys. Rev. Lett. 102, 047401 (2009).

M. F. Doty, M. Scheibner, A.S. Bracker, and D. Gammon, “Optical Spectroscopy of Spins in Quantum Dots,” to appear in `Single Semiconductor Quantum Dots’ Springer Series on NanoScience and Technology. ISBN: 978-3-540-87445-4 (2009).

2008

D. Kim, S. Economou, S. Badescu, M. Scheibner, A.S. Bracker, M. Bashkansky T.L. Reinecke, and D. Gammon, “Optical Spin Initialization and Nondestructive Measurement in a Quantum Dot Molecule,” Phys. Rev. Lett. 101, 236804 (2008)

E.A. Stinaff, S. Ramanathan, K.C. Wijesundara, M. Garrido, M. Scheibner, A.S. Bracker, and D. Gammon, “Polarization dependent photoluminescence of charged quantum dot molecules,” phys. stat. sol (c). 5, 2464 (2008).

M.F. Doty, M. Scheibner, A.S. Bracker, I.V. Ponomarev, T.L. Reinecke, and D. Gammon, “Spins in optically excited doubly charged quantum dot molecules,” Phys. Rev. B. 78, 115316 (2008).

M. Scheibner M. Yakes, A.S. Bracker, I.V. Ponomarev, M.F. Doty, C.S. Hellberg, L.J. Whitman, T.L. Reinecke & D. Gammon, “Optically Mapping the Electronic Structure of Coupled Quantum Dots,” Nature Physics 4, 291 (2008).

2007

M. Scheibner, I.V. Ponomarev, E.A. Stinaff, M.F. Doty, A.S. Bracker, C.S. Hellberg, T.L. Reinecke & D. Gammon, “Photoluminescence Spectroscopy of the Molecular Biexciton in Vertically Stacked InAs-GaAs Quantum Dot Pairs,” Phys. Rev. Lett. 99, 197402 (2007).

M. Scheibner, “Coupling of optically active quantum dots,” Proc. to the 20th Annual Meeting of the IEEE Laser & Electro-Optics Society of America, Lake Buena Vista FL, ISBN 978-1-4244-0925-9, LEOS 662-663 (2007).

M. Scheibner, M.F. Doty, I.V. Ponomarev, A.S. Bracker, E.A. Stinaff, V.L. Korenev, T.L. Reinecke, and D. Gammon, “Spin Fine Structure in Optically Excited Quantum Dot Molecules,” Phys. Rev. B 75, 245318 (2007).

T. Schmidt, L. Worschech, M. Scheibner, T. Slobodskyy, L.W. Molenkamp, and A. Forchel, “Spin Polarization in Semimagnetic CdMnSe/ZnSe Quantum Dots with Zero Exciton g Factor,” Int. J. Mod. Phys. B 21, 1626 (2007).

T. Schmidt, L. Worschech, M. Scheibner, T. Slobodskyy, G. Schmidt, L.W. Molenkamp, T. Passow, D. Hommel, and A. Forchel, “Light controlled spin properties and radiative coupling of CdSe based quantum dots,” phys. stat. sol. (c) 4, 3334 (2007).

M. Scheibner, T. Schmidt, L. Worschech, A. Forchel, G. Bacher, T. Passow, and D. Hommel, “Superradiance of Quantum Dots,” Nature Physics 3, 106 (2007).

I. V. Ponomarev, T.L. Reinecke, M. Scheibner, E.A. Stinaff, A.S. Bracke, M.F. Doty, D. Gammon, and V.L. Korenev, “Theory of spin states quantum dot molecules,” Proceedings of the 28th ICPS in Vienna, Austria 2006, AIP Conf. Ser.Vol. 893, 873 (2007).

M. Scheibner, A.S. Bracker, E.A. Stinaff, M.F. Doty, D. Gammon, I.V. Ponomarev, T.L. Reinecke, and V.L. Korenev, “Optical Spectroscopy of Charged Quantum Dot Molecules,” Proceedings of the 28th ICPS in Vienna, Austria 2006, AIP Conf. Ser. 893, 871 (2007).

2006

T. Schmidt, M. Scheibner, L. Worschech, A. Forchel, T. Slobodskyy, and L.W. Molenkamp, “Sign reversal and light controlled tuning of circular polarization in semimagnetic CdMnSe quantum dots,” J. Appl. Phys. 100, 123109 (2006).

A. S. Bracker, M. Scheibner, M.F. Doty, E.A. Stinaff, I.V. Ponomarev, J.C. Kim, L.J. Whitman, T.L. Reinecke, and D. Gammon, “Engineering electron and hole tunneling with asymmetric InAs quantum dot molecules,” Appl. Phys. Lett. 89, 233110 (2006).

M. F. Doty, M.E. Ware, E.A. Stinaff, M. Scheibner, A.S. Bracker, I.V. Ponomarev, S.C. Badescu, V.L. Korenev, T.L. Reinecke, and D. Gammon, “Spin Interactions in InAs Quantum Dots and Molecules,” phys. stat. sol. (b) 243, 3859 (2006).

M. F. Doty, M. Scheibner, I.V. Ponomarev, E.A. Stinaff, A.S. Bracker, V.L. Korenev, T.L. Reinecke, and D. Gammon, “Electrically tunable g-factors in quantum dot molecular spin states,” Phys. Rev. Lett. 97, 197202 (2006).

I. V. Ponomarev, M. Scheibner, E.A. Stinaff, A.S. Bracker, M.F. Doty, S.C. Badescu, M.E. Ware, V.L. Korenev, T.L. Reinecke, and D. Gammon, “Theory of spin states in coupled quantum dots,” phys. stat. sol. (b) 243, 3869 (2006).

E. A. Stinaff, M. Scheibner, A.S. Bracker, I.V. Ponomarev, V.L. Korenev, M.E. Ware, M.F. Doty, T.L. Reinecke, and D. Gammon, “Optical Signatures of Coupled Quantum Dots,” Science 311, 636 (2006).

M. Scheibner, T.A. Kennedy, L. Worschech, A. Forchel, G. Bacher, T. Slobodskyy, G. Schmidt, and L.W. Molenkoamp, “Coherent dynamics of locally interacting spins in self-assebled Cd1-xMnxSe/ZnSe quantum dots,” Phys. Rev. B 73, 081308(R) (2006).

T. A. Kennedy, A. Shabaev, M. Scheibner, Al. L. Efros, A.S. Bracker, and D.Gammon, “Optical initialization and dynamics in a remotely doped quantum well,” Phys. Rev. B 73, 045307 (2006).

2005

G. Bacher, H. Schömig, M. Scheibner, A. Forchel, A.A. Maksimov, A.V. Chernenko, P.S. Dorozhkin, V.D. Kulakovskii, T. Kennedy, and T.L. Reinecke, “Spin-Spin interaction in magnetic semiconductor quantum dots,” Physica E 26, 37 (2005)

2003

M. Scheibner, J. Seufert, H. Schömig, G. Bacher, and A. Forchel, “Spin and polarization dynamics in magnetic and non-magnetic semiconductor quantum dots,” Proceedings of the SPIE 4992, 1 (2003).

M. Scheibner, G. Bacher, S. Weber, A. Forchel, T. Passow, and D. Hommel, “Polarization dynamics in self-assembled CdSe/ZnSe quantum dots – the role of excess energy,” Phys. Rev. B 67, 153302 (2003).

M. Scheibner, G. Bacher, A. Forchel, T. Passow, and D. Hommel, “Spin dynamics in CdSe/ZnSe quantum dots: resonant versus non-resonant excitation,” J. of Superconductivity: Incorporating Novel Magnetism 16, 395 (2003).

2002

J. Seufert, G. Bacher, M. Scheibner, A. Forchel, S. Lee, M. Dobrowolska, and J.K. Furdyna, “Dynamical spin response in semimagnetic quantum dots,” Phys. Rev. Lett. 88, 027402 (2002).

G. Bacher, H. Schömig, M.K. Welsch, M. Scheibner, J. Seufert, M. Obert, A. Forchel, A.A. Maksimov, S. Zaitsev, and V.D. Kulakovskii, “Nano-optics on individual quantum objects – from single to coupled semiconductor quantum dots,” Acta Physica Polonica A 102, 475 (2002)

J. Seufert, M. Scheibner, G. Bacher, A. Forchel, S. Lee, M. Dobrowolska, and J.K Furdyna, “Dynamics of zero-dimensional excitons in a semimagnetic environment,” phys. stat. sol. (b) 229, 727 (2002).

2001

J. Seufert, M. Obert, M. Scheibner, N.A. Gippius, G. Bacher, A. Forchel, T. Passow, K. Leonardi, and D. Hommel, “Stark effect and polarizability in a single CdSe/ZnSe quantum dot,”Appl. Phys. Lett. 79, 1033 (2001).

2000

B. Oetiker, N. Duric, J. McGraw, T. Wiliams, D. Jackson, H.J. Deeg, M. Scheibner, D. Garcia, E. Wilcox, “Searching for companions to late-type M stars,” Proc. of ‘From Giant Planets to Cool Stars’, ASP Conf. Ser. 212, 88 (2000).