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shiri J, Malakzadeh A. Propagation of infrared laser beam at 𝛌=1.550𝛍m in a compact triple coupled quantum wells nanostructure. ICOP & ICPET _ INPC _ ICOFS 2017; 23 :573-576
URL: http://opsi.ir/article-1-1152-en.html
URL: http://opsi.ir/article-1-1152-en.html
Abstract: (2617 Views)
Based on InGaAs/InP triple coupled quantum well heterostructure an optical switch is suggested. the effect of tunneling on the absorption and the dispersion is discussed. We show that the group velocity of a light pulse can be controlled from superluminal to subluminal (or vice versa) just by controlling tunneling between quantum wells and an incoherent pumping field.
Keywords: Quantum wells, Absorption and Dispersion, Group velocity, Tunnelling effect, incoherent pumping field
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