2019
DOI: 10.1088/2631-8695/ab29b4
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Elliptical-hole PCF structure with selective Y-axis gold coating for tunable single-polarization band-stop filtering

Abstract: An elliptical-hole photonic crystal fiber (PCF) based on surface plasmon resonance (SPR) is proposed, which can work as a tunable single-polarization band-stop filter (BSF). Theoretical results show that the proposed structure is very sensitive to the polarization of the guided modes, due to its high birefringence coefficient and strong SPR effect. It can achieve single-polarization single-mode (SPSM) filtering without liquid filled in the gold coated air holes. At resonant wavelength, the loss of the y polari… Show more

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Cited by 5 publications
(2 citation statements)
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References 24 publications
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“…The energy received by the optical fiber probe can be attenuated substantially to even render it undetectable in practice. The minimum losses of the sensors and the corresponding resonance wavelengths 36–102 are calculated and shown in Fig. 10.…”
Section: Numerical Resultsmentioning
confidence: 99%
“…The energy received by the optical fiber probe can be attenuated substantially to even render it undetectable in practice. The minimum losses of the sensors and the corresponding resonance wavelengths 36–102 are calculated and shown in Fig. 10.…”
Section: Numerical Resultsmentioning
confidence: 99%
“…The PCF-SPR sensors' performance depends on the PCF fibre's geometric information like size, shape, pitch, etc, and the choice of plasmonic material which generates the surface plasmons. Noble metals like gold [8] and silver are plasmonic materials for generating surface plasmons. Besides these noble metals, aluminium, copper, transparent conducting oxides, titanium nitride, etc, are also used as plasmonic materials [9], In an aqueous environment, metals are generally oxidized.…”
Section: Introductionmentioning
confidence: 99%