Double tunneling induced transparency in the asymmetry quantum dot molecules

Yu, C.; Huang, H.; Zhang, L.; Xu, D.

doi:10.5277/oa160313

Artykuł - szczegóły

Tytuł artykułu

Double tunneling induced transparency in the asymmetry quantum dot molecules

Autorzy

Yu C. , Huang H. , Zhang L. , Xu D.

Treść / Zawartość

Pełne teksty:

13_chunchao_yu_i_inni_optappl_2016_3.pdf

Pobierz

Identyfikatory

DOI

10.5277/oa160313

Warianty tytułu

Języki publikacji

Abstrakty

Using the density matrix theory, we have studied the double tunneling induced transparency slow light in the double asymmetry quantum dot molecules. With applied electric field, double tunneling induced transparency occur in the same time. Four absorption peaks are found near the resonance energy level in the absorption spectrum and the absorption peak can be tuned by the applied electric field. The velocity and bandwidth of the multiple-windows slow light can also be controlled by the applied electric field. In our model, with T_e =0.1meV, we can get about 0.001c and 20GHz bandwidth in each transparency window. Such a property may be applied in all optical buffers, optical switching and filter.

Słowa kluczowe

quantum dot molecule slow light tunneling induced transparency

Wydawca

Oficyna Wydawnicza Politechniki Wrocławskiej

Czasopismo

Optica Applicata

Rocznik

2016

Tom

Vol. 46, nr 3

Strony

473--481

Opis fizyczny

Bibliogr. 29 poz., rys.

Twórcy

autor

Yu C.

chchyu@yangtzeu.edu.cn

Institute of Photoelectric Technology, School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou 434023, China

autor

Huang H.

Institute of Photoelectric Technology, School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou 434023, China

autor

Zhang L.

Institute of Photoelectric Technology, School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou 434023, China

autor

Xu D.

Institute of Photoelectric Technology, School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou 434023, China

Bibliografia

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[8]TIDSTRÖM J., JÄNES P., ANDERSSON L.M., Delay-bandwidth product of electromagnetically induced transparency media, Physical Review A 75(5), 2007, article 053803.
[9]CHUNCHAO YU, Electromagnetically induced transparency in quantum dot biexciton–exciton cascaded scheme, Optical and Quantum Electronics 46(9), 2014, pp. 1157–1164.
[10]YING WU, XIAOXUE YANG, Electromagnetically induced transparency in V-, Λ-, and cascade-type schemes beyond steady-state analysis, Physical Review A 71(5), 2005, article 053806.
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[12]SHU-WEI CHANG, SHUN LIEN CHUANG, Slow light based on population oscillation in quantum dots with inhomogeneous broadening, Physical Review B 72(23), 2005, article 235330.
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[20]CHUN-HUA YUAN, KA-DI ZHU, Voltage-controlled slow light in asymmetry double quantum dots, Applied Physics Letters 89(5), 2006, article 052115.
[21]CHUN-HUA YUAN, KA-DI ZHU, YI-WEN JIANG, Slow light control with electric fields in vertically coupled InGaAs/GaAs quantum dots, Journal of Applied Physics 102(2), 2007, article 023109.
[22]BORGES H.S., SANZ L., VILLAS-BÔAS J.M., DINIZ NETO O.O., ALCALDE A.M., Tunneling induced transparency and slow light in quantum dot molecules, Physical Review B 85(11), 2012, article 115425.
[23]SI-CONG TIAN, CUN-ZHU TONG, REN-GANG WAN, YONG-QIANG NING, LI-JUN WANG, Tunneling induced transparency and controllable group velocity in triple and multiple quantum-dot molecules, arXiv:1310.4599 [physics.optics], 2013.
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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-a60591dd-baae-4475-8bdd-06ae96c5a149