Avoiding undesired phase-matched couplings enables high-efficiency multi-mode grating couplers, with scaling laws predicting 5-10 modes in 2D and hundreds in 3D designs.
Svanberg, The method of moving asymptotes—a new method for structural optimization, International journal for numerical methods in engineering24, 359 (1987)
2 Pith papers cite this work. Polarity classification is still indexing.
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Inverse design produces foundry-compliant multilayer grating couplers for efficient multimode free-space to on-chip coupling that stay robust to fabrication imperfections with unchanged scaling laws.
citing papers explorer
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Many-mode grating couplers by avoiding undesired couplings
Avoiding undesired phase-matched couplings enables high-efficiency multi-mode grating couplers, with scaling laws predicting 5-10 modes in 2D and hundreds in 3D designs.
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Multimode grating couplers via foundry-compliant inverse design
Inverse design produces foundry-compliant multilayer grating couplers for efficient multimode free-space to on-chip coupling that stay robust to fabrication imperfections with unchanged scaling laws.