Back to Search
Start Over
All-Optical Non-Inverted Parity Generator and Checker Based on Semiconductor Optical Amplifiers
- Source :
- Applied Sciences, Volume 11, Issue 4, Applied Sciences, Vol 11, Iss 1499, p 1499 (2021)
- Publication Year :
- 2021
- Publisher :
- Multidisciplinary Digital Publishing Institute, 2021.
-
Abstract
- 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.
- Subjects :
- all-optical XNOR logic
all-optical parity generator
Exclusive or
02 engineering and technology
all-optical parity checker
01 natural sciences
lcsh:Technology
010309 optics
lcsh:Chemistry
020210 optoelectronics & photonics
Band-pass filter
0103 physical sciences
all-optical signal processing
0202 electrical engineering, electronic engineering, information engineering
all-optical XOR logic
General Materials Science
Instrumentation
lcsh:QH301-705.5
Parity bit
Fluid Flow and Transfer Processes
Optical amplifier
Physics
semiconductor optical amplifier
Extinction ratio
business.industry
lcsh:T
Process Chemistry and Technology
General Engineering
Saturable absorption
lcsh:QC1-999
Computer Science Applications
XNOR gate
lcsh:Biology (General)
lcsh:QD1-999
Modulation
lcsh:TA1-2040
Optoelectronics
business
lcsh:Engineering (General). Civil engineering (General)
lcsh:Physics
Subjects
Details
- Language :
- English
- ISSN :
- 20763417
- Database :
- OpenAIRE
- Journal :
- Applied Sciences
- Accession number :
- edsair.doi.dedup.....6a53f2b57367f1901cbbcf263d1edd9f
- Full Text :
- https://doi.org/10.3390/app11041499