NDLI: All-Optical Non-Inverted Parity Generator and Checker Based on Semiconductor Optical Amplifiers

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All-Optical Non-Inverted Parity Generator and Checker Based on Semiconductor Optical Amplifiers

Content Provider	MDPI
Author	Han, Bingchen Xu, Junyu Chen, Pengfei Guo, Rongrong Gu, Yuanqi Ning, Yu Liu, Yi
Copyright Year	2021
Description	An all-optical non-inverted parity generator and checker based on semiconductor optical amplifiers (SOAs) are proposed with four-wave mixing (FWM) and cross-gain modulation (XGM) non-linear effects. A 2-bit parity generator and checker using by exclusive NOR (XNOR) and exclusive OR (XOR) gates are implemented by first SOA and second SOA with 10 Gb/s return-to-zero (RZ) code, respectively. The parity and check bits are provided by adjusting the center wavelength of the tunable optical bandpass filter (TOBPF). A saturable absorber (SA) is used to reduce the negative effect of small signal clock (Clk) probe light to improve extinction ratio (ER) and optical signal-to-noise ratio (OSNR). For Pe and Ce (even parity bit and even check bit) without Clk probe light, ER and OSNR still maintain good performance because of the amplified effect of SOA. For Po (odd parity bit), ER and OSNR are improved to 1 dB difference for the original value. For Co (odd check bit), ER is deteriorated by 4 dB without SA, while OSNR is deteriorated by 12 dB. ER and OSNR are improved by about 2 dB for the original value with the SA. This design has the advantages of simple structure and great integration capability and low cost.
Starting Page	1499
e-ISSN	20763417
DOI	10.3390/app11041499
Journal	Applied Sciences
Issue Number	4
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2021-02-07
Access Restriction	Open
Subject Keyword	Applied Sciences Quantum Science and Technology Telecommunications All-optical Parity Generator All-optical Parity Checker Semiconductor Optical Amplifier All-optical Signal Processing All-optical Xor Logic All-optical Xnor Logic
Content Type	Text
Resource Type	Article

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