Presentation Information

1:15 PM - 1:30 PM JST(4:15 AM - 4:30 AM UTC)

[21p-A309-2]Jones-vector multi-plane light conversion using adjoint-optimized metasurfaces

〇(D)Go Soma¹, Yoshiaki Nakano¹, Takuo Tanemura¹ (1.The Univ. of Tokyo)

Keywords:

metasurface,multi-plane light conversion,adjoint optimization

A multi-plane light conversion (MPLC) represents a multi-input/multi-output (MIMO) mode conversion realized by repeated free-space propagation and wavefront transformation with phase plates. The demonstrated MPLCs act on scalar modes and cannot directly manipulate the Jones vector (i.e., polarization). In this paper, we propose a Jones-vector MPLC using birefringent metasurfaces instead of phase plates and present an optimization design method for the metasurfaces using an adjoint method. In addition, we demonstrate our MPLC through simulation.

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