Research Article

Design and Numerical Analysis of a Single-Polarization Filter Based on PCF with Plasmonic Layers of Gold and Indium Tin Oxide

Table 1

Comparisons of polarization filter performance.

PCF characteristics and referenceCommunication window and lossCT and filtering bandwidthFiber length

Asymmetric filter based on infiltrated PCF with gold coating [16]1310 nm and 434 dB/cm353.74 dB and 120 nm (about)L = 1 mm
PCF-based filter with symmetrical gold-coated holes [17]1550 nm and 431.267 dB/cm180 dB (about) and 190 nmL = 0.5 mm
High-birefringence PCF filter with gold wires [18]1310 nm and 40 dB/cm
1550 nm and 60 dB/cm
N/AN/A
PCF-based splitter with dual plasmonic inner air holes [10]1310 nm and 102.6 dB/cm
1550 nm and 245.0 dB/cm
95 dB (about) and 40 nm
200 dB (about) and 100 nm
L = 1 mm
Symmetry-structured PCF polarization filter [19]1310 nm and 231.6 dB/cm
1550 nm and 237.9 dB/cm,
240 dB and 60 nm
197 dB and 70 nm
L = 1 mm
D-shaped PCF polarization filter [20]1310 nm and 244.9 dB/cm
1550 nm and 292.8 dB/cm
208.4 dB and 88 nm
249.5 dB and 150 nm
L = 1 mm
Single-polarization PCF filter with narrow bandwidth [21]1310 nm and 330.75 dB/cm
1550 nm and 242.89 dB/cm
285.642 dB and 70 nm
202.92 dB and 235 nm
L = 1 mm
PCF-based filter with gold film on the inner wall of two ultralarge holes [22]1550 nm and 569.682 dB/cm
1310 nm and 588.900 dB/cm
1550 nm and 971.330 dB/cm
494.673 dB and 700 nm
511.491 dB and 270 nm
843.622 dB and 630 nm
L = 1 mm
Single polarization filter based on PCF with plasmonic layers of gold and indium tin Oxide (our work)1150 nm and 1319.6890 dB72.05 dB and 602 nmL = 1 mm