Trapping of Light in Nonlinear 1-D Photonic Crystal

Kumar, Arun; Kumar, Vipin; Suthar, Bhuvneshwer; Ojha, Manas; Singh, Kuldeep; Ojha, S. P.

doi:10.1109/lpt.2012.2235140

Cited by 14 publications

(12 citation statements)

References 19 publications

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“…With the calculated refractive indices of nonlinear materials, transmittance of the proposed structure in the absence as well as in the presence of a high intensity controlling wave could be calculated. Johnson et al [14] and Kumar et al [15] have confirmed the convergence and the correctness of this approximate approach. So, the above Eq.…”

Section: Theorymentioning

confidence: 73%

Single channel tunable wavelength demultiplexer using nonlinear one dimensional defect mode photonic crystal

Sharma

Kumar

Singh³

et al. 2014

Optik

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Section: Theorymentioning

confidence: 73%

Single channel tunable wavelength demultiplexer using nonlinear one dimensional defect mode photonic crystal

Sharma

Kumar

Singh³

et al. 2014

Optik

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“…From this figure it is clear that if we increase the temperature, the band width and central wavelengths of these PBGs increase, but the central wavelength shifts towards the shorter wavelength region as we increase the angle of incidence. 10 Si/air]. The plot of the refractive index of Si as the function of wavelength and temperature is shown in Figure 2(b).…”

Section: Resultsmentioning

confidence: 99%

“…We choose ZnS, Si, and Ge for the material , air for material , and = 10 in Figure 1. So, there will be three proposed structures: [air/(ZnS/air) 10 ZnS/air], [air/(Si/air) 10 Si/air] and [air/(Ge/air) 10 Ge/air]. We take ZnS, Si, and Ge as the high refractive index materials and air as the low refractive index material.…”

Section: Proposed Structures and Structural Parametersmentioning

confidence: 99%

“…We confine our study in the temperature range from 300 to 700 K only so that the three structures can be compared. 10 ZnS/air]. The refractive index of ZnS layer is taken as a function of both wavelength and temperature.…”

Section: Proposed Structures and Structural Parametersmentioning

confidence: 99%

“…Since the pioneering works of Yablonovitch [1] and John [2], studies on the electromagnetic properties of photonic crystals which are artificial structures with periodically modulated dielectric constants have been attracting a great deal of interest among the researchers. Photonic crystals that exhibit electromagnetic stop bands or photonic band gaps (PBGs) have received considerable attention over the last two decades for the study of their fundamental physical properties as well as for their potential applications in many optoelectronic devices [3][4][5][6][7][8][9][10][11][12][13]. It was observed that periodic modulation of the dielectric functions significantly modifies the spectral properties of the electromagnetic waves.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of Temperature on Photonic Band Gaps in Semiconductor-Based One-Dimensional Photonic Crystal

Malik¹,

Jindal

Kumar

et al. 2013

Advances in Optical Technologies

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The effect of the temperature and angle of incidence on the photonic band gap (PBG) for semiconductor-based photonic crystals has been investigated. The refractive index of semiconductor layers is taken as a function of temperature and wavelength. Three structures have been analyzed by choosing a semiconductor material for one of the two materials in a bilayer structure. The semiconductor material is taken to be ZnS, Si, and Ge with air in first, second, and third structures respectively. The shifting of band gaps with temperature is more pronounced in the third structure than in the first two structures because the change in the refractive index of Ge layers with temperature is more than the change of refractive index of both ZnS and Si layers with temperature. The propagation characteristics of the proposed structures are analyzed by transfer matrix method.

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Second Harmonic Generation in 1D Nonlinear Plasma Photonic Crystals

et al. 2023

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In this paper, a 1D nonlinear plasma photonic crystal (NPPC) structure composed of polarized ferroelectric crystals and nonlinear plasma periodic alternation is proposed. The transfer matrix method is employed to analyze the second harmonic generation (SHG) problem of this structure. In the designed NPPCs, the fundamental wave (FW) operates in the gigahertz (GHz) band and the nonlinear plasma is controlled by an external high‐intensity control wave (CW). Numerical simulations are performed to investigate the effects of different incident angles and external CW intensities on the total conversion efficiency (T‐con) of the second harmonic wave (SHW). Additionally, the internal electric field distribution and incident light intensity within the nonlinear structure are analyzed. The importance of the relationship between the FW frequency and photonic band gap (PBG) in enhancing SHG is summarized. The results demonstrate that the optimal structure can be obtained by changing the structural parameters, such that the FW and SHW are tuned to the edge of the PBG. At this point, the electromagnetic field density is large, the group velocity is small, the local field is enhanced, and the nonlinear optical interaction is increased, resulting in a significant increase in the T‐con of the SHW.

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Trapping of Light in Nonlinear 1-D Photonic Crystal

Cited by 14 publications

References 19 publications

Single channel tunable wavelength demultiplexer using nonlinear one dimensional defect mode photonic crystal

Single channel tunable wavelength demultiplexer using nonlinear one dimensional defect mode photonic crystal

Effect of Temperature on Photonic Band Gaps in Semiconductor-Based One-Dimensional Photonic Crystal

Second Harmonic Generation in 1D Nonlinear Plasma Photonic Crystals

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