Enhancement of Nonlinearity due to Cavity Effect of a Quantum Dot(<Special Section>Nanophotonics and Related Techniques)

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概要

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• The effect of a cavity on the third-order optical nonlinearity, is studied for a two-level system with excitation frequency ω_0. as a function of the Q factor. coupling constant g. and longitudinal (γ_1) and pure transverse (γ_2) damping constants. The largest enhancement is found in the strong-coupling regime with γ_1+2γ_2=ω_0/2Q. Large enhancement is also achieved in the weak-coupling regime satisfying the condition ω_0/Q=(g^2/γ_1)|√<1+8γ_1/(γ_1+2γ_2)>-1|. and the intensity depends on damping constants only. The calculation is based on the cavity QED because the semiclassical treatment of the cavity quasimode leads to incorrect optical nonlinearity.

• 一般社団法人電子情報通信学会の論文
• 2005-09-01

著者

• Ajiki Hiroshi

  Department Of Materials Engineering Science Graduate School Of Engineering Science Osaka University

関連論文

• Optimal Conditions for Achieving Strong Third-Order Nonlinearity in Semiconductor Cavities(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
• Entangled-Photon Generation in Biexcitonic Cavity QED(Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid mechanics)
• Enhancement of Nonlinearity due to Cavity Effect of a Quantum Dot(Nanophotonics and Related Techniques)

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