$χ^{(2)}$非线性波导阵列中基于零超模的多体纠缠
Zero supermode-based multipartite entanglement in $χ^{(2)}$ nonlinear waveguides arrays
摘要：
我们表明，二次谐波产生机制中的$χ^{(2)}$非线性波导阵列是连续变量纠缠的一个有前途的来源。我们确实证明了分析与零本征值基本超模注入奇数波导的光学阵列纠缠这个基本超模与集体谐波场。此外，基模是多体纠缠的，它们的纠缠度随着传输长度的增加而增加。该器件可扩展，对损耗鲁棒，不依赖于非线性和耦合的特定值，并且易于用当前技术实现。因此，它是一个前所未有的候选人产生的多体连续变量纠缠的光学量子信息处理。
英文摘要：
We show that arrays of $χ^{(2)}$ nonlinear waveguides in the second harmonic generation regime are a promising source of continuous-variable entanglement. We indeed demonstrate analytically that optical arrays with odd number of waveguides injected with the zero-eigenvalue fundamental supermode entangle this fundamental supermode with a collective harmonic field. Moreover the fundamental individual modes are multipartite entangled and their entanglement grows with propagation length. The device is scalable, robust to losses, does not rely on specific values of nonlinearity and coupling and is easily realized with current technology. It thus stands as an unprecedented candidate for generation of multipartite continuous-variable entanglement for optical quantum information processing.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
