Thirty-two-channel dense-wavelength-division multiplexer based on cascade two-dimensional photonic crystal waveguide structure

Wu, Yaw‐Dong; Hsu, Ke-Wei; Shih, Tien‐Tsorng

doi:10.1364/josab.24.002075

Cited by 10 publications

(2 citation statements)

References 24 publications

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“…Because of their weak optical confinement, these components are not of interest of the researchers, whereas more compact designs are possible based on photonic crystal technology [7,8]. Photonic crystal (PhC) based DEMUX designs are superior in this respect [7][8][9][10][11]. Various methods are proposed by researchers to provide the required frequency selectivity of the output channels.…”

Section: Introductionmentioning

confidence: 99%

Performance Enhancement of Cavity Assisted Photonic Crystal De-Multiplexerin Slow Light Regime

Samiei

Aghababaeian

2016

Journal of the Optical Society of Korea

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This study first proposes a new version of a photonic crystal based de-multiplexer operating under the slow light regime, secondly analyses the structure numerically to demonstrate de-multiplexing operation and finally studies the impact of light speed on the performance of the proposed structure. The operation wavelength is 1.55 µm. The study indicates that, by adjusting the speed of light, around 0.1C, in the main waveguide and in the output channels' waveguides, an enhancement in the performance of the de-multiplexer will be gained.

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Section: Introductionmentioning

confidence: 99%

Performance Enhancement of Cavity Assisted Photonic Crystal De-Multiplexerin Slow Light Regime

Samiei

Aghababaeian

2016

Journal of the Optical Society of Korea

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“…However, to our knowledge, most wavelength combiners based on PhCs operate in the communication wavelength band [7,8] while less attention has been paid to PhC wave combiners operating in visible bands. In particular, the material dispersion characteristics of PhCs have not been explored in the design of wave combiners.…”

Section: Introductionmentioning

confidence: 99%

Three-visible-light wave combiner based on photonic crystal waveguides

2014

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We present a three-visible-light wave combiner based on two-dimensional photonic crystal waveguides whose widths are not integral multiples of the lattice period. The proposed device consists of two cascaded directional couplers. It combines three visible light waves with different wavelengths from three input ports into a single output port. As an example, a combiner for combining light waves of 635, 532, and 488 nm, which are commonly used as the three primary colors in laser display systems, is designed and demonstrated through the finite-difference time-domain method. The results show that the proposed device can perform efficient synthesis for three visible light waves with transmittance exceeding 89% for each wavelength and high ability in preventing the backward coupling of waves from different waveguides. The method for designing the combiner is useful for designing other waveguide couplers based on photonic crystals made of dispersion materials.

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New design of all-optical multi-channel wavelength division multiplexer based on 2D PC waveguide structures with square rods

Wu,

2024

Opt Quant Electron

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Thirty-two-channel dense-wavelength-division multiplexer based on cascade two-dimensional photonic crystal waveguide structure

Cited by 10 publications

References 24 publications

Performance Enhancement of Cavity Assisted Photonic Crystal De-Multiplexerin Slow Light Regime

Performance Enhancement of Cavity Assisted Photonic Crystal De-Multiplexerin Slow Light Regime

Three-visible-light wave combiner based on photonic crystal waveguides

New design of all-optical multi-channel wavelength division multiplexer based on 2D PC waveguide structures with square rods

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