All-optical photonic crystal AND gate with multiple operating wavelengths

Yang, Yi-Pin; Lin, Kuen-Cherng; Yang, I-Chen; Lee, Kun‐Yi; Lin, Yuechuan; Lee, Wei-Yu; Tsai, Yao‐Tsung

doi:10.1016/j.optcom.2013.01.035

Cited by 35 publications

(8 citation statements)

References 14 publications

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“…23 The distance between input ports A and B is 10a for the AND gate and 14a for the XOR or NOT gate. ATM polarized continuous wave at the wavelength λ ¼ 1550 nm in the optical communication window C-band is used to illustrate the operations of the proposed logic gates.…”

Section: Resultsmentioning

confidence: 99%

All-optical AND, XOR, and NOT logic gates based on Y -branch photonic crystal waveguide

2015

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This paper presents all-optical AND, XOR, and NOT logic gates based on the light beam interference effect. Each logic gate is simply composed of a Y -branch waveguide with two input ports and one output port in the two-dimensional triangular-lattice photonic crystals. The designed logic gates are analyzed and simulated by the plane wave expansion and finite difference time-domain method. Simulation results show that the proposed all-optical structures really function as AND, XOR, and NOT logic gates, possess a small size of less than 11.6 μm × 13.8 μm and low power consumption. The contrast ratio of the proposed devices reaches 5.4 dB for the AND gate, 33 dB for the XOR and NOT gates, respectively, by precisely controlling the phase differences and properly choosing the size of the scattering rods.

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Section: Resultsmentioning

confidence: 99%

All-optical AND, XOR, and NOT logic gates based on Y -branch photonic crystal waveguide

2015

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“…However, requirement of threshold input power, large footprint, low data-rate, and small output power at logic '1' make these devices less-attractive members within their family. Ring resonators and Y-shaped junctions have been used in [16,26] to realise optical AND gates, in linear optical regime, having an ER of ≈6 dB. However, their footprint sizes are considerably large and the data-rates are moderate, which limit them to be chosen for a PIC application.…”

Section: Comparative Study With Other Optical and Gatesmentioning

confidence: 99%

Impedance matching theory to design an all‐optical AND gate

Mondal

Sen

Prakash

et al. 2018

IET Optoelectronics

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“…Recently, great efforts have been made on the logic gate design through different ways such as self-collimation effect [16,17], multi-interference [18,19] and nonlinear photonic crystal ring resonator [20,21]. Different types of logic gates can be accomplished in one configuration [18] and one logic gate can operate on different wavelengths [22]. Considering half adder based on the logic gate XOR and AND is the basis of full adder and counters as a basic combination logic unit, it needs to be investigated in its design and realization.…”

Section: Introductionmentioning

confidence: 99%