TITLE

Direct measurement of polarization resolved transition dipole moment in InGaAs/GaAs quantum dots

AUTHOR(S)
Silverman, K. L.; Mirin, R. P.; Cundiff, S. T.; Norman, A. G.
PUB. DATE
June 2003
SOURCE
Applied Physics Letters;6/23/2003, Vol. 82 Issue 25, p4552
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The propagation of optical pulses resonant with the ground-to-excited state transition of InGaAs quantum dots is investigated. An analysis of low intensity excitation yields a dipole moment of 8.8 × 10[SUP-29] to 10.9 × 10[SUP-29] C m, depending on the quantum dot growth conditions. We observe polarization of the dipole moment exclusively in the plane perpendicular to the growth direction.
ACCESSION #
10024410

 

Related Articles

  • Permanent dipole moment and charges in colloidal semiconductor quantum dots. Shim, Moonsub; Guyot-Sionnest, Philippe // Journal of Chemical Physics;10/15/1999, Vol. 111 Issue 15, p6955 

    Discusses permanent dipole moment and charges in colloidal semiconductor quantum dots. Understanding of nanocrystalline materials; Dielectric dispersion studies of metal nanocrystals; Polar nature of the wurtzite lattice; Dipole moments that may be intrinsic attributes to all nonmetal...

  • Dipole-dipole interaction in a quantum dot and metallic nanorod hybrid system. Singh, Mahi R.; Schindel, Daniel G.; Hatef, Ali // Applied Physics Letters;10/31/2011, Vol. 99 Issue 18, p181106 

    We have studied quantum coherence and interference phenomena in a quantum dot (QD)-metallic nanorod (MNR) hybrid system. Probe and control laser fields are applied to the hybrid system. Induced dipole moments are created in the QD and the MNR, and they interact with each other via the...

  • Nonradiative exciton transfer by the Förster mechanism from InAs/AlAs quantum dots to dye molecules in hybrid structures. Shamirzaev, T.; Dmitriev, D.; Sveshnikova, L.; Tronc, P. // JETP Letters; 

    Förster resonance transfer of excitons from self-assembled InAs/AlAs quantum dots to cyanine dye molecules deposited on the structure surface is investigated. It is shown that the efficiency of the exciton transfer changes upon the interaction of cyanine dye molecules with chloroform due to a...

  • Logic gate based on a one-dimensional photonic crystal containing quantum dots. Novitsky, D.; Mikhnevich, S. // Journal of Applied Spectroscopy;May2010, Vol. 77 Issue 2, p232 

    The feasibility of using quantum dots as a dense resonant medium with large transition dipole moments is analyzed. The possibility of creating one-dimensional photonic crystals containing quantum dots is examined on the basis of published experimental and theoretical data and the basic...

  • Quantum-confined Stark effect and built-in dipole moment in self-assembled InAs/GaAs quantum dots. Jin, Peng; Li, C. M.; Zhang, Z. Y.; Liu, F. Q.; Chen, Y. H.; Ye, X. L.; Xu, B.; Wang, Z. G. // Applied Physics Letters;10/4/2004, Vol. 85 Issue 14, p2791 

    Quantum-confined Stark effect and built-in dipole moment in self-assembled InAs/GaAs quantum dots (QDs), which are grown at relative low temperature (460°C) and embedded in GaAs p–i–n structure, have been studied by dc-biased electroreflectance. Franz–Keldysh oscillations...

  • High quality two-dimensional photonic crystal slab cavities. Yoshie, Tomoyuki; Vucˇkovic´, Jelena; Scherer, Axel; Chen, Hao; Deppe, Dennis // Applied Physics Letters;12/24/2001, Vol. 79 Issue 26, p4289 

    We have fabricated and characterized donor-mode nanocavities formed by a single defect cavity defined within a two-dimensional photonic crystal slab. Quantum dots emitting in the 1.1–1.3 micron range were used as luminescence sources, and a design using fractional edge dislocations was...

  • Internal and external polarization memory loss in single semiconductor quantum dots. Wang, Q. Q.; Muller, A.; Bianucci, P.; Shih, C. K.; Cheng, M. T.; Zhou, H. J.; Han, J. B. // Applied Physics Letters;10/2/2006, Vol. 89 Issue 14, p142112 

    By using nonlinear resonant optical control and polarized photoluminescence, the authors studied the intensity dependence of exciton spin relaxation and photoluminescence polarization in single self-assembled InGaAs quantum dots. Data from dots with different dipole moments reveal two...

  • Tunneling Induced Dephasing And Pauli Blocking In InP Quantum Dots. Masumoto, Yasuaki; Suto, Fumitaka; Ikezawa, Michio; Uchiyama, Chikako; Aihara, Masaki // AIP Conference Proceedings;2005, Vol. 772 Issue 1, p729 

    We observed the tunneling induced dephasing and Pauli blocking in InP quantum dots (QDs). A highly-sensitive heterodyne-detected photon echo method enabled us to observe the signal from one layer of self-assembled InP QDs in charged or neutral condition controlled by the electric field. The...

  • Manifestation of interaction effects in Raman spectra of CdTe quantum-dot layers with ZnTe narrow barriers. Vinogradov, V.; Vodop’yanov, L.; Karczewski, G.; Mel’nik, N. // Physics of the Solid State;May2006, Vol. 48 Issue 5, p957 

    The Raman spectra of superlattices consisting of layers of CdTe self-assembled quantum dots separated by ZnTe narrow barriers with thicknesses of 10 and 5 monolayers are investigated. It is found that, apart from the bands previously observed at frequencies of ∼120 and ∼140 cm−1...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics