Table 4 Comparison of the numeric values for the sensitivity, FOM, TR, QF and footprint of the proposed design with previous designs for evaluating the performance of the proposed sensor.

From: Sensitivity and quality factor improvement of photonic crystal sensors by geometrical optimization of waveguides and micro-ring resonators combination

References

Sensor configuration

Sensitivity (nm/RIU)

FOM (RIU−1)

TR (%)

QF

Footprint (µm2)

47

1D-PC ring resonator

248

1200

48

Optimized ring resonator

229

1339

49

Plasmonic ring resonator

636

211

269

1

Optimized cascade micro-ring resonator

1024

366

524

288

50

WGM ring resonator

361

1143

36

MIM square ring resonator

1320

16.7

18

33

Micro-ring resonator

745

593

97

1092

123

34

Topological ring resonator

798

725

1256

35

Hybrid split-ring resonator

1250

2083

2412

This work

Optimized PC micro-ring resonator

860 < S < 6500

2960

96.5

2640

113