Polariton Fluids for Optical Logic
Polariton Fluids for Optical Logic
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发表时间：
2013
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通讯作者：
H. S. Nguyen;D. Vishnevsky;C. Sturm;D. Tanese;D. Solnyshkov;É. Galopin;A. Lemaître;I. Sagnes;A. Amo;-G.;Malpuech
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作者：
H. S. Nguyen;D. Vishnevsky;C. Sturm;D. Tanese;D. Solnyshkov;É. Galopin;A. Lemaître;I. Sagnes;A. Amo;-G.;Malpuech
在20世纪50年代，江崎[1]证明了电子可以穿透势垒，即使根据经典力学，电子的通道是能量禁止的;相反，量子力学的波动性质允许电子隧穿势垒。今天，江崎的共振隧穿发现[2]是许多高频电子器件的基础[3]。法国国家科学研究中心光子学和纳米结构实验室的Hai Son Nguyen在《物理评论快报》上发表文章，他和同事们现在报告了[4]一类新的结构，在这种结构中，他们实现了腔极化激元的共振隧穿-半导体微腔中发现的基本光学激发-而不是电子。由于极化激元结合了联合收割机的激子和光子性质，因此它们具有它们的组成部分都没有的独特特征，为制造用于逻辑运算的新型光学器件提供了机会[5]。
In the 1950s, Esaki [1] proved that electrons can penetrate through a barrier even though the passage is energetically forbidden according to classical mechanics; instead, the wave nature of quantum mechanics allows the electron to tunnel through the barrier. Today, Esaki’s discovery of resonant tunneling [2] is the basis of numerous high-frequency electronic devices [3]. Writing in Physical Review Letters, Hai Son Nguyen, at the Laboratory of Photonics and Nanostructures of the French National Center for Scientific Research in Marcousis, and colleagues now report [4] a new class of structures in which they achieve resonant tunneling of cavity polaritons—the fundamental optical excitations found in semiconductor microcavities—instead of electrons. Since they combine exciton and photon properties, polaritons have unique features that neither of their constituents has alone, offering opportunities to make new types of optical devices for logic operations [5].