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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.2
- 수록면
- 60 - 64 (5page)
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초록· 키워드
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We have considered optical nonlinearities of coupled quantum dots theoretically, where an exciton dipole-dipole interaction is mediated between the adjacent large and small quantum dots. For increasing a pump pulse area in resonance with the large quantum dot exciton the induced nonlinear refractive index of the small quantum dot exciton has been obtained. As the exciton dipole-dipole interaction depends on the relative orientation of two exciton dipoles, the optical nonlinearities for the directions parallel and perpendicular to the coupling axis of the two quantum dots are compared. The directional imbalance of optical nonlinearities in coupled quantum dots can be utilized for a polarization phase modulator by controlling a pump pulse area and propagation length.
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참고문헌 (16)
참고문헌 신청
M. Bayer / 2001 / Coupling and entangling of quantum states in quantum dot molecules / Science 291:451
W. Sheng / 2002 / Spontaneous localization in InAs/GaAs self-assembled quantum dot molecules / Applied Rev. Lett 81:4449
G. Bester / 2004 / Theory of excitonic spectra and entanglement engineering in dot molecules / Phys. Rev. Lett 93:047401
X. R. Zhou / 2013 / Coulomb interaction signatures in self-assembled lateral quantum dot molecules / Phys. Rev. B 87:125309
M. F. Doty / 2009 / Antibonding ground states in InAs quantum dot molecules / Phys. Rev. Lett 102:047401
W. Sheng / 2002 / Spontaneous localization in InAs/GaAs self-assembled quantum dot molecules / Applied Rev. Lett 81:4449
G. Bester / 2004 / Theory of excitonic spectra and entanglement engineering in dot molecules / Phys. Rev. Lett 93:047401
X. R. Zhou / 2013 / Coulomb interaction signatures in self-assembled lateral quantum dot molecules / Phys. Rev. B 87:125309
M. F. Doty / 2009 / Antibonding ground states in InAs quantum dot molecules / Phys. Rev. Lett 102:047401
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