Table 4 The obtained λPMW, coupling length LC, and crosstalk due to the fabrication tolerance considering variations in WR, WL, H, t and d.
From: Asymmetric dual-core liquid crystal channel-based tunable mode converter
Parameter | Tolerance (%) | λPMW (μm) | LC (μm) | CT (dB) |
|---|---|---|---|---|
WR (optimum value = 9.8 μm) | WR-4% | 1.65 | 401.5 | − 9.07 |
WR-2% | 1.583 | 449.7 | − 14.64 | |
WR = 9.8 μm | 1.55 | 482.2 | − 19.86 | |
WR + 2% | 1.499 | 531.1 | − 14.76 | |
WR + 4% | 1.45 | 582 | − 12.51 | |
WL (optimum value = 5 μm) | WL-4% | 1.525 | 471.9 | − 19.28 |
WL-2% | 1.55 | 469.1 | − 19.28 | |
WL = 5 μm | 1.55 | 482.2 | − 19.86 | |
WL + 2% | 1.6 | 454.7 | − 17.27 | |
WL + 4% | 1.65 | 436 | − 15.06 | |
H (optimum value = 5 μm) | H-4% | 1.583 | 453 | − 17.27 |
H-2% | 1.583 | 453.5 | − 17.27 | |
H = 5 μm | 1.55 | 482.2 | − 19.86 | |
H + 2% | 1.599 | 449.3 | − 17.35 | |
H + 4% | 1.575 | 466.3 | − 17.21 | |
t (optimum value = 50 nm) | t-4% | 1.55 | 482.2 | − 19.94 |
t-2% | 1.55 | 482.2 | − 19.88 | |
t = 50 nm | 1.55 | 482.2 | − 19.86 | |
t + 2% | 1.55 | 482.1 | − 19.82 | |
t + 4% | 1.55 | 481.9 | − 19.73 | |
d (optimum value = 1.5 μm) | d-4% | 1.533 | 488.4 | − 18.95 |
d-2% | 1.533 | 487.3 | − 19.41 | |
d = 1.5 μm | 1.55 | 482.2 | − 19.86 | |
d + 2% | 1.55 | 481 | − 19.78 | |
d + 4% | 1.55 | 468.9 | − 19.37 |
