Table 1 Values of strip widths used to design the metalens and corresponding estimated operating lengths, deduced from the FEM TE design, FEM TM design, and EMT TM design.
From: Integrated photonic guided metalens based on a pseudo-graded index distribution
L (µm) | e0 (nm) | e1 (nm) | e2 (nm) | e3 (nm) | e4 (nm) | e5 (nm) | e6 (nm) |
|---|---|---|---|---|---|---|---|
LTE-FEM = 2.725 | 200 | 199 | 194 | 186 | 176 | 162 | 136 |
LTM-FEM = 2.022 | 200 | 192 | 172 | 144 | 115 | 87 | 50 |
LTM-EMT = 2.193 | 200 | 191 | 166 | 134 | 102 | 74 | 50 |
