2018
DOI: 10.1016/j.spmi.2018.07.025
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Ultra-wideband slow light transmission with high normalized delay bandwidth product in W3 photonic crystal waveguide

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Cited by 17 publications
(12 citation statements)
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“…For TE mode, we can see perceptibly that the linearity for constant slope in the long K range decreases with increasing l z and the smallest linearity of K range is around l z = 0.60a, for which we concern on the area below the light line. For the realization of slow-wave devices, the dispersion curves of waveguide modes should be under the light line, because the modes located above the light line are extremely lossy and the modes below the light line are intrinsically lossless [26]. Interestingly, TM modes have an acceptable wideband at l z = 0.60a.…”
Section: Physical Model and Simulation Resultsmentioning
confidence: 99%
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“…For TE mode, we can see perceptibly that the linearity for constant slope in the long K range decreases with increasing l z and the smallest linearity of K range is around l z = 0.60a, for which we concern on the area below the light line. For the realization of slow-wave devices, the dispersion curves of waveguide modes should be under the light line, because the modes located above the light line are extremely lossy and the modes below the light line are intrinsically lossless [26]. Interestingly, TM modes have an acceptable wideband at l z = 0.60a.…”
Section: Physical Model and Simulation Resultsmentioning
confidence: 99%
“…The zigzag-arranged cavities provide more delay to the waves. The operating transmission bandwidth is enlarged based on the concept of impedance matching [26]. With the suitable design (suitable w x and l z values) and impedance matching, the transmission bandwidth can be wider on account of the group index.…”
Section: Physical Model and Simulation Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Therefore, the properties of PhC can remain unchanged, provided one expands or decreases the parameters of the PCW structure proportionally. One can select the value of the optimum operating wavelength of the structure by only setting the value of without repeating the simulation [ 25 ]. In practical application, the PhC device can be designed according to the demand of the delay time and storage capacity.…”
Section: Structure Geometry and Simulation Resultsmentioning
confidence: 99%
“…Propagation losses in the buffer device region can be divided into intrinsic and extrinsic losses. For the practical realization of the buffer devices, the dispersion curves of waveguide modes would be below the light line, because the modes positioned above the light line are highly loss, and the modes under the light line are intrinsically lossless [ 25 ]. All the calculations have been done under light lines in the proposed structures.…”
Section: Implementation Considerationsmentioning
confidence: 99%