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APPARATUS FOR TWO-DIMENSIONAL PHOTONIC SIMULATION BY MEANS OF PANCHARATNAM-BERRY PHASE PLATES
APPARATUS FOR TWO-DIMENSIONAL PHOTONIC SIMULATION BY MEANS OF PANCHARATNAM-BERRY PHASE PLATES
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机译:用PANCHARATNAM-BERRY相板进行二维光子模拟的装置
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摘要
Apparatus for the photonic simulation of a quantum walk in a two-dimensional space, comprising a series of evolution stages (10) arranged consecutively along a reference axis (z) and configured to be crossed by a radiation beam (B), each evolution stage (10) comprisingi) a unitary operator (11) configured to transform a polarization state of the incoming radiation beam (B) into a combination of a right circular polarized state |R〉 and a left circular polarized state |L〉, andii) a shift operator (12, 13) configured to discretely shift the transverse moment kt of the incoming radiation beam (B), along at least one direction (kx, ky) in a two-dimensional Fourier space associated with a real plane (x, y) orthogonal to the reference axis (z),an optical sensor (30) configured to detect a grid of spots generated by the radiation beam (B) upon application of the evolution stages (10), the intensity pattern of the grid of spots being indicative of a probability distribution associated with the quantum walk.
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机译:用于二维空间中的量子行进的光子模拟的设备,包括一系列沿参考轴( z I>)连续排列并被辐射束穿过的演化阶段(10) (B),每个进化阶段(10)包括i)operator算子(11),被配置为将入射辐射束(B)的偏振态转换为右圆偏振态| R I 和左圆偏振态| L I >〉,然后ii)位移算子(12、13),其配置为使入射辐射束(B)的横向矩 k B> t Sub> I>沿与实平面关联的二维傅立叶空间( x,k, k x Sub>,k y Sub> I>)中的至少一个方向y I>)与参考轴( z I>)正交,光学传感器(30),其被配置为在施加演化阶段(10)时检测由辐射束(B)产生的斑点的网格,斑点的网格的强度模式指示与量子游走相关的概率分布。
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