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Eigenmodal Analysis of Anderson Localization: Applications to Photonic Lattices and Bose-Einstein Condensates

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      Abstract

      We present the eigenmodal analysis techniques enhanced towards calculations of optical and Bose-Einstein condensate (BEC) modes formed by random potentials and localized by Anderson effect. The results are compared with the published measurements and verified additionally by the convergence criterion. In 2-D BECs captured in circular areas, the randomness shows the edge localization of the high-order Tamm-modes. To avoid strong diffusive effect, which is typical for BECs captured by speckle potentials, the 3-D-lattice potential with increased step magnitudes is proposed by us, and the trapped BECs in these lattices are simulated and plotted.

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      Journal
      1509.01139

      Quantum gases & Cold atoms

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