All-optical and and NAND gates based on cascaded second-order nonlinear processes in a Ti-diffused periodically poled LiNbO3 waveguide

Yeung Lak Lee; Bong Ahn Yu; Tae Joong Eom; Woojin Shin; Changsoo Jung; Young Chul Noh; Jongmin Lee; Do Kyeong Ko; Kyunghwan Oh

doi:10.1364/OE.14.002776

All-optical and and NAND gates based on cascaded second-order nonlinear processes in a Ti-diffused periodically poled LiNbO₃ waveguide

Yeung Lak Lee, Bong Ahn Yu, Tae Joong Eom, Woojin Shin, Changsoo Jung, Young Chul Noh, Jongmin Lee, Do Kyeong Ko, Kyunghwan Oh

Department of Physics

Research output: Contribution to journal › Article › peer-review

66 Citations (Scopus)

Abstract

All-optical AND and NAND gates have been demonstrated in a Ti-diffused periodically poled LiNbO₃ channel waveguide which has two second-harmonic phase-matching peaks by cascaded sum-frequency-generation/ difference-frequency-generation (cSFG/DFG) and sum-frequency-generation (SFG) processes. The conversion efficiency of signal to idler (AND gate signal) was approximately 0 dB in cSFG/DFG process. In the second SFG process, more than 15 dB extinction ratio between signal and dropped signal (NAND gate signal) has been observed.

Original language	English
Pages (from-to)	2776-2782
Number of pages	7
Journal	Optics Express
Volume	14
Issue number	7
DOIs	https://doi.org/10.1364/OE.14.002776
Publication status	Published - 2006 Apr

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OE.14.002776

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abstract = "All-optical AND and NAND gates have been demonstrated in a Ti-diffused periodically poled LiNbO3 channel waveguide which has two second-harmonic phase-matching peaks by cascaded sum-frequency-generation/ difference-frequency-generation (cSFG/DFG) and sum-frequency-generation (SFG) processes. The conversion efficiency of signal to idler (AND gate signal) was approximately 0 dB in cSFG/DFG process. In the second SFG process, more than 15 dB extinction ratio between signal and dropped signal (NAND gate signal) has been observed.",

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AU - Lee, Yeung Lak

AU - Yu, Bong Ahn

AU - Eom, Tae Joong

AU - Shin, Woojin

AU - Jung, Changsoo

AU - Noh, Young Chul

AU - Lee, Jongmin

AU - Ko, Do Kyeong

AU - Oh, Kyunghwan

PY - 2006/4

Y1 - 2006/4

N2 - All-optical AND and NAND gates have been demonstrated in a Ti-diffused periodically poled LiNbO3 channel waveguide which has two second-harmonic phase-matching peaks by cascaded sum-frequency-generation/ difference-frequency-generation (cSFG/DFG) and sum-frequency-generation (SFG) processes. The conversion efficiency of signal to idler (AND gate signal) was approximately 0 dB in cSFG/DFG process. In the second SFG process, more than 15 dB extinction ratio between signal and dropped signal (NAND gate signal) has been observed.

AB - All-optical AND and NAND gates have been demonstrated in a Ti-diffused periodically poled LiNbO3 channel waveguide which has two second-harmonic phase-matching peaks by cascaded sum-frequency-generation/ difference-frequency-generation (cSFG/DFG) and sum-frequency-generation (SFG) processes. The conversion efficiency of signal to idler (AND gate signal) was approximately 0 dB in cSFG/DFG process. In the second SFG process, more than 15 dB extinction ratio between signal and dropped signal (NAND gate signal) has been observed.

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All-optical and and NAND gates based on cascaded second-order nonlinear processes in a Ti-diffused periodically poled LiNbO₃ waveguide

Abstract

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