Coherent Perfect Absorption in Metamaterials with Entangled Photons
Coherent Perfect Absorption in Metamaterials with Entangled Photons
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DOI：
10.1021/acsphotonics.7b00514
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发表时间：
2017-09-01
期刊：
影响因子：
7
通讯作者：
Couteau, Christophe
中科院分区：
文献类型：
--
作者：
Altuzarra, Charles;Vezzoli, Stefano;Couteau, Christophe
量子非定域性，即，在空间分离的系统中存在强相关性是量子通信和量子计算的核心，而这种强相关性是局部实在论所禁止的。在这里，我们使用偏振纠缠光子对来演示光与等离子体结构的非局域相互作用。通过用偏振敏感器件探测一个光子，我们可以防止或允许第二个远程光子的吸收。我们证明了这与对纠缠光子的偏振，其中之一是耦合到一个薄的超材料吸收器的干涉仪的驻波的路径中的等离子体。因此，我们实现了一个量子擦除实验，使用光子和等离子体共振的超材料，概率量子门控和控制等离子体光子转换和纠缠的机会。此外，通过使用所谓的相干完美吸收效应，我们可以期望接近完美的相互作用。
Quantum nonlocality, i.e., the presence of strong correlations in spatially separated systems that are forbidden by local realism, lies at the heart of quantum communications and quantum computing. Here, we use polarization-entangled photon pairs to demonstrate a nonlocal interaction of light with a plasmonic structure. Through the detection of one photon with a polarization-sensitive device, we can prevent or allow absorption of a second, remotely located photon. We demonstrate this with pairs of entangled photons in polarization, one of which is coupled into a plasmon of a thin metamaterial absorber in the path of a standing wave of an interferometer. Thus, we realize a quantum eraser experiment using photons and plasmonic resonances from metamaterials that promises opportunities for probabilistic quantum gating and controlling plasmon-photon conversion and entanglement. Moreover, by using the so-called coherent perfect absorption effect, we can expect near-perfect interaction.