Ultra-broadband and compact polarization splitter based on gold filled dual-core photonic crystal fiber

Khaleque, Abdul; Hattori, Haroldo T.

doi:10.1063/1.4932659

Cited by 55 publications

(13 citation statements)

References 38 publications

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“…11. According to the above analysis, the proposed device structure shows acceptable fabrication tolerance as discussed by different authors [13,30]. For instance, Reeve et al [30] proposed a fabricated PCF with a fabrication tolerance of ± 1%.…”

Section: Effect Of the Variation Of Structural Parameters On Sensitivitymentioning

confidence: 75%

“…The above reported SPR sensors are designed in a single core. However, the matured stack-and-draw fabrication technology makes it easier for fabricating multi-core PCFs, since multi-core PCFs including dual-core (DC) PCFs have exposed outstanding performances in different areas of applications, such as polarization splitter, polarization filter, and refractive index (RI) sensors [13][14][15]. After all, a number of dual core PCF biosensors were also reported in [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

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Dual-Core Photonic Crystal Fiber Plasmonic Refractive Index Sensor: A Numerical Analysis

2018

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A numerical analysis on dual core photonic crystal fiber (DC-PCF) based surface plasmon resonance (SPR) refractive index sensor is presented. The guiding parameters and required sensing performances are examined with finite element method (FEM) based software under MATLAB environment. According to simulation, it is warranted that the proposed refractive index sensor offers the maximum amplitude sensitivity of 554.9 refractive index unit (RIU −1 ) and 636.5 RIU −1 with the maximum wavelength sensitivity of 5800 nm/RIU and 11 500 nm/RIU, and the sensor resolutions of 1.72 × 10 −5 RIU and 8.7 × 10 −6 RIU, at analyte refractive index (RI) of 1.40 for x-and y-polarized modes, respectively. As the sensing performance in different wavelength ranges is quite high, the proposed sensor can be used in simultaneous detection for different wavelength ranges. Therefore, the proposed device is of a suitable platform for detecting biological, chemical, biochemical, and organic chemical analytes.

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Section: Effect Of the Variation Of Structural Parameters On Sensitivitymentioning

confidence: 75%

Section: Introductionmentioning

confidence: 99%

Dual-Core Photonic Crystal Fiber Plasmonic Refractive Index Sensor: A Numerical Analysis

2018

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“…Since the first photonic crystal fiber (PCF) was fabricated by Russell et al in 1996 [ 1 ], PCFs have been investigated extensively and applied in different optical fields, such as fiber laser, sensing, optical communication, and so on [ 2 , 3 , 4 , 5 , 6 , 7 , 8 ]. At present, the PCF-based optical devices, including polarization beam splitter (PBS), polarization filter, modulator, etc., have become the indispensable components in the all-fiber optical systems [ 9 , 10 , 11 , 12 , 13 , 14 ].…”

Section: Introductionmentioning

confidence: 99%

A Novel Gold Film-Coated V-Shape Dual-Core Photonic Crystal Fiber Polarization Beam Splitter Covering the E + S + C + L + U Band

Yuan

Qiu

et al. 2021

Sensors

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In this paper, a novel gold film-coated V-shape dual-core photonic crystal fiber (V-DC-PCF) polarization beam splitter (PBS) based on surface plasmon resonance effect is proposed. The coupling lengths of the X-polarization (X-pol) and Y-polarization (Y-pol) and the corresponding coupling length ratio of the proposed V-DC-PCF PBS without gold film and with gold film are compared. The fiber structure parameters and thickness of the gold film are optimized through investigating their effects on the coupling lengths and coupling length ratio. As the propagation length increases, the normalized output powers of the X-pol and Y-pol of the proposed V-DC-PCF PBS at the three wavelengths 1.610, 1.631, and 1.650 μm are demonstrated. The relationships between the extinction ratio (ER), insertion loss (IL) and wavelength for the three splitting lengths (SLs) 188, 185, and 182 μm are investigated. Finally, it is demonstrated that for the proposed V-DC-PCF PBS, the optimal SL is 188 μm, the ILs of the X-pol and Y-pol are less than 0.22 dB, and the splitting bandwidth (SB) can cover the E + S + C + L + U band. The proposed V-DC-PCF PBS has the ultra-short SL, ultra-wide SB, and ultra-low IL, so it is expected to have important applications in the laser, sensing, and dense wavelength division multiplexing systems.

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“…Many investigations on the combination of the PCF and SPR effect for the optical devices have been reported [24][25][26][27][28]. Until now, researchers have designed some DC-PCF PBSs based on the mode coupling between the core mode of the DC-PCF and surface plasmon polariton (SPP) mode [29][30][31][32][33]. In 2019, Rahman et al demonstrated a kind of DC-PCF PBS with the gold wire filled in the air hole, where the fiber length was only 56.33 μm and bandwidth was up to 530 nm [34].…”

Section: Introductionmentioning

confidence: 99%

Surface plasmon resonance-based silicon dual-core photonic crystal fiber polarization beam splitter at the mid-infrared spectral region

Yuan

Zhou

et al. 2020

J. Opt. Soc. Am. B

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In this paper, a novel silicon dual-core photonic crystal fiber (Si-DC-PCF) polarization beam splitter (PBS) based on surface plasmon resonance effect is proposed. The mode coupling characteristics between the X and Y-polarized even and odd modes and surface plasmon polariton mode are analyzed by using the finite element method and coupled-mode theory. The influences of the structure parameters of the Si-DC-PCF on the coupling length and coupling length ratio are investigated. The normalized output power of the X and Y-polarized modes in the cores A and B and the corresponding extinction ratio are also discussed. By optimizing the structure parameters of the Si-DC-PCF, the PBS length of 192 μm and bandwidth of 830 and 730 nm in the cores A and B are achieved. It is believed that the proposed Si-DC-PCF PBS can find important applications in the mid-infrared laser and sensing systems.

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Ultra-broadband and compact polarization splitter based on gold filled dual-core photonic crystal fiber

Cited by 55 publications

References 38 publications

Dual-Core Photonic Crystal Fiber Plasmonic Refractive Index Sensor: A Numerical Analysis

Dual-Core Photonic Crystal Fiber Plasmonic Refractive Index Sensor: A Numerical Analysis

A Novel Gold Film-Coated V-Shape Dual-Core Photonic Crystal Fiber Polarization Beam Splitter Covering the E + S + C + L + U Band

Surface plasmon resonance-based silicon dual-core photonic crystal fiber polarization beam splitter at the mid-infrared spectral region

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