From: Subwavelength silicon photonics for on-chip mode-manipulation
Ref
Year
Structures
Lc (μm)
Lt (μm)
Ratio (dB)
BW (nm)
EL (dB)
[136]
2015
Multi-section DC
31.4
41.4
3±1
88
<1
[139]
2016
SWG-DC
13.4
23.4
3±0.7
100
NA
[137]
2017
shallowly-etched DC
5
~550
0.8
[130]
2018
Adiabatic DC
25
65
3±0.27
<0.74
[131]
35
3±0.3
185
<0.11
[140]
2020
SWG-ADC
5.25
17.25
3±0.5
200
