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Volumn 78, Issue 7, 2008, Pages

Two-qubit conditional quantum-logic operation in a single self-assembled quantum dot

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EID: 49249103785     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.78.075301     Document Type: Article
Times cited : (64)

References (24)
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    • Weiner, A.M.1
  • 18
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    • We attribute the different signals of dots B and C for co/cross polarized excitation in Fig. 3 to mechanical drift of the setup. The signal is optimized for dot A, resulting in a robust signal, whereas the unoptimized signals of peaks B and C are more sensitive to changes in the setup. All possible transitions: 0- X0, 0-2 X0, X0 -2 X0, and h- X+ associated with dot A have been identified. Under resonant excitation peaks B and C, show a 0- X0 like Rabi rotation, as do peaks observed in other apertures. These Rabi rotations have longer periods due to inefficient dot laser coupling, which we attribute to the relative position of dots B and C, with respect to the aperture. Similar features in other apertures are randomly distributed in energy with respect to the stronger peaks, further underlining their identity as separate dots.
    • We attribute the different signals of dots B and C for co/cross polarized excitation in Fig. 3 to mechanical drift of the setup. The signal is optimized for dot A, resulting in a robust signal, whereas the unoptimized signals of peaks B and C are more sensitive to changes in the setup. All possible transitions: 0- X0, 0-2 X0, X0 -2 X0, and h- X+ associated with dot A have been identified. Under resonant excitation peaks B and C, show a 0- X0 like Rabi rotation, as do peaks observed in other apertures. These Rabi rotations have longer periods due to inefficient dot laser coupling, which we attribute to the relative position of dots B and C, with respect to the aperture. Similar features in other apertures are randomly distributed in energy with respect to the stronger peaks, further underlining their identity as separate dots.
  • 19
    • 49249088550 scopus 로고    scopus 로고
    • The photocurrent detection efficiency is limited by the hole tunneling rate as shown in Ref.. Hence the X0 -2 X0 signal, which involves tunneling of two holes, is weaker than the 0- X0 signal at this bias.
    • The photocurrent detection efficiency is limited by the hole tunneling rate as shown in Ref.. Hence the X0 -2 X0 signal, which involves tunneling of two holes, is weaker than the 0- X0 signal at this bias.
  • 22
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    • PRLTAO 0031-9007 10.1103/PhysRevLett.95.187404
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    • Economou, S.E.1    Reinecke, T.L.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.