Search Results - "Doty, M. F."

Optical Signatures of Coupled Quantum Dots by Stinaff, E. A, Scheibner, M, Bracker, A. S, Ponomarev, I. V, Korenev, V. L, Ware, M. E, Doty, M. F, Reinecke, T. L, Gammon, D

“…An asymmetric pair of coupled InAs quantum dots is tuned into resonance by applying an electric field so that a single hole forms a coherent molecular wave…”
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Antibonding ground states in InAs quantum-dot molecules by Doty, M F, Climente, J I, Korkusinski, M, Scheibner, M, Bracker, A S, Hawrylak, P, Gammon, D

“…Coherent tunneling between two InAs quantum dots forms delocalized molecular states. Using magnetophotoluminescence spectroscopy we show that when holes tunnel…”
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Polarized fine structure in the photoluminescence excitation spectrum of a negatively charged quantum dot by Ware, M E, Stinaff, E A, Gammon, D, Doty, M F, Bracker, A S, Gershoni, D, Korenev, V L, Bădescu, S C, Lyanda-Geller, Y, Reinecke, T L

“…We report polarized photoluminescence excitation spectroscopy of the negative trion in single charge-tunable quantum dots. The spectrum exhibits a p-shell…”
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Optically mapping the electronic structure of coupled quantum dots by Scheibner, M, Gammon, D, Yakes, M, Bracker, A. S, Ponomarev, I. V, Doty, M. F, Hellberg, C. S, Whitman, L. J, Reinecke, T. L

“…In a network of quantum dots embedded in a semiconductor structure, no two are the same, and so their individual and collective properties must be measured…”
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Hybridized magnonic materials for THz frequency applications by To, D.-Q., Rai, A., Zide, J. M. O., Law, S., Xiao, J. Q., Jungfleisch, M. B., Doty, M. F.

“…The capability of magnons to hybridize and strongly couple with diverse excitations offers a promising avenue for realizing and controlling emergent properties…”
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Analyzing carrier escape mechanisms in InAs/GaAs quantum dot p- i -n junction photovoltaic cells by Sellers, D. G., Polly, S., Hubbard, S. M., Doty, M. F.

“…Intermediate band solar cells (IBSCs) are third-generation photovoltaic (PV) devices that can harvest sub-bandgap photons normally not absorbed in a…”
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Quantification of trap state densities in GaAs heterostructures grown at varying rates using intensity-dependent time resolved photoluminescence by Haughn, C. R., Schmieder, K. J., Zide, J. M. O., Barnett, A., Ebert, C., Opila, R., Doty, M. F.

“…Time-resolved photoluminescence is an established technique for characterizing carrier lifetimes in semiconductors, but the dependence of lifetime on…”
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Electrically tunable g factors in quantum dot molecular spin states by Doty, M F, Scheibner, M, Ponomarev, I V, Stinaff, E A, Bracker, A S, Korenev, V L, Reinecke, T L, Gammon, D

“…We present a magnetophotoluminescence study of individual vertically stacked InAs/GaAs quantum dot pairs separated by thin tunnel barriers. As an applied…”
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Charge-transfer dynamics in multilayered PbS and PbSe quantum dot architectures by Xu, F., Haughn, C. R., Ma, X., Doty, M. F., Cloutier, S. G.

“…We demonstrate control of the charge transfer process in PbS and PbSe quantum dot assemblies. We first demonstrate efficient charge transfer from donor quantum…”
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Verification of polarization selection rules and implementation of selective coherent manipulations of hydrogenic transitions in n-GaAs by DOTY, M. F, KING, B. T, SHERWIN, M. S, STANLEY, C. R

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Carrier transfer from InAs quantum dots to ErAs metal nanoparticles by Haughn, C. R., Steenbergen, E. H., Bissell, L. J., Chen, E. Y., Eyink, K. G., Zide, J. M. O., Doty, M. F.

“…Erbium arsenide (ErAs) is a semi-metallic material that self-assembles into nanoparticles when grown in GaAs via molecular beam epitaxy. We use steady-state…”
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Photoluminescence spectroscopy of the molecular biexciton in vertically stacked InAs-GaAs quantum dot pairs by Scheibner, M, Ponomarev, I V, Stinaff, E A, Doty, M F, Bracker, A S, Hellberg, C S, Reinecke, T L, Gammon, D

“…We present photoluminescence studies of the molecular neutral biexciton-exciton spectra of individual vertically stacked InAs/GaAs quantum dot pairs. We tune…”
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Wavefunction delocalization in quantum dot arrays: an asymptotic analysis by Edwards, D. A., Reid, W. M., Doty, M. F.

“…Intermediate-band solar cells using quantum dot arrays (QDAs) are theoretically predicted to significantly increase the efficiency with which solar energy can…”
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Hybridized magnonic materials for THz frequency applications by To, D. -Q, Rai, A, Zide, J. M. O, Law, S, Xiao, J. Q, Jungfleisch, M. B, Doty, M. F

“…Appl. Phys. Lett. 2024 The capability of magnons to hybridize and strongly couple with diverse excitations offers a promising avenue for realizing and…”
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A Brillouin light scattering study of the spin-wave magnetic field dependence in a magnetic hybrid system made of an artificial spin-ice structure and a film underlayer by Montoncello, F, Kaffash, M. T, Carfagno, H, Doty, M. F, Gubbiotti, G, Jungfleisch, M. B

“…Journal of Applied Physics 133, 083901 (2023) We present a combined Brillouin light scattering and micromagnetic simulation investigation of the magnetic-field…”
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Giant spin Nernst effect in a two-dimensional antiferromagnet due to magnetoelastic coupling-induced gaps and interband transitions between magnon-like bands by To, D. -Q, Ameyaw, C. Y, Suresh, A, Bhatt, S, Ku, M. J. H, Jungfleisch, M. B, Xiao, J. Q, Zide, J. M. O, Nikolic, B. K, Doty, M. F

“…Physical Review B, 2023 We analyze theoretically the origin of the spin Nernst and thermal Hall effects in FePS3 as a realization of two-dimensional…”
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Theory of spin states in coupled quantum dots by Ponomarev, I. V., Scheibner, M., Stinaff, E. A., Bracker, A. S., Doty, M. F., Badescu, S. C., Ware, M. E., Korenev, V. L., Reinecke, T. L., Gammon, D.

“…The coherent quantum coupling of carriers in vertically stacked asymmetric pairs of quantum dots in applied electric fields manifests itself in rich…”
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Spin interactions in InAs quantum dots and molecules by Doty, M. F., Ware, M. E., Stinaff, E. A., Scheibner, M., Bracker, A. S., Ponomarev, I. V., Badescu, S. C., Korenev, V. L., Reinecke, T. L., Gammon, D.

“…Spin interactions between particles in quantum dots or quantum dot molecules appear as fine structure in the photoluminescence spectra. Using the understanding…”
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Hole-spin mixing in InAs quantum dot molecules by Doty, M. F., Climente, J. I., Greilich, A., Yakes, M., Bracker, A. S., Gammon, D.

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Engineering electron and hole tunneling with asymmetric InAs quantum dot molecules by Bracker, A. S., Scheibner, M., Doty, M. F., Stinaff, E. A., Ponomarev, I. V., Kim, J. C., Whitman, L. J., Reinecke, T. L., Gammon, D.

“…Most self-assembled quantum dot molecules are intrinsically asymmetric with inequivalent dots resulting from imperfect control of crystal growth. The authors…”
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