Optical logic operations using a meshed Mach-Zehnder interference array

Chen, Jiafu; Tang, Linwei; Huang, Zebin; Xiong, Wenjie; Liu, Junmin; Wang, Peipei; Liu, Ying; Fan, Dianyuan; Chen, Shuqing

doi:10.1016/j.optlastec.2023.109703

Optics & Laser Technology

2023

DOI: 10.1016/j.optlastec.2023.109703

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Optical logic operations using a meshed Mach-Zehnder interference array

Jiafu Chen¹,

Linwei Tang²,

Zebin Huang³

et al.

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Cited by 2 publications

References 44 publications

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Ultra-broadband and ultra-compact chip-integrated logic gates based on an inverse design method

Wang,

Xu,

Huang

et al. 2024

Optics & Laser Technology

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Ultra-broadband and ultra-compact chip-integrated logic gates based on an inverse design method

Wang,

Xu,

Huang

et al. 2024

Optics & Laser Technology

View full text Add to dashboard Cite

Ultra-compact all-optical half-adder based on inverse design

Zhang,

Yang,

Luo

2023

J. Opt. Soc. Am. B

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The all-optical half-adder is an important module in integrated photonics, which can be used to realize optical computing and optical communication. At present, the all-optical half-adder implemented by traditional methods cannot easily be further compressed in size, which also limits the development of its integration. In this paper, four optical devices, the power beam splitter, waveguide cross, XOR gate, and AND gate, are designed by the inverse design method. Their footprint is only 2µm×2µm, and they have extremely low insertion loss and high contrast ratio. These devices are further interconnected with waveguides to realize an all-optical half-adder module with a size of only 10µm×4.5µm. When working at 1550 nm, the module exhibits contrast ratios of 14.47 dB and 5.14 dB for SUM and CARRY, respectively. These photonic devices have the characteristics of ultra-compact size and high performance, rendering them highly valuable for photonic integrated circuits.

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Optical logic operations using a meshed Mach-Zehnder interference array

Cited by 2 publications

References 44 publications

Ultra-broadband and ultra-compact chip-integrated logic gates based on an inverse design method

Ultra-broadband and ultra-compact chip-integrated logic gates based on an inverse design method

Ultra-compact all-optical half-adder based on inverse design

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