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Techniques of robust inverse design that account for manufacturing variabilities due to operating conditions
Techniques of robust inverse design that account for manufacturing variabilities due to operating conditions
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机译:稳健逆设计的技术,用于制造制造变量因操作条件
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摘要
Embodiments of techniques for inverse design of physical devices are described herein, in the context of generating designs for photonic integrated circuits (including a multi-channel photonic demultiplexer). In some embodiments, an initial design of the physical device is received, and a plurality of sets of operating conditions for fabrication of the physical device are determined. In some embodiments, the performance of the physical device as fabricated under the sets of operating conditions is simulated, and a total performance loss value is backpropagated to determine a gradient to be used to update the initial design. In some embodiments, instead of simulating fabrication of the physical device under the sets of operating conditions, a robustness loss is determined and combined with the performance loss to determine the gradient.
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