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Paper Abstract and Keywords
Presentation 2023-11-10 13:00
Suppression of signal quality degradation due to nonlinear optical effects using optical correlation receivers or FIR filters
Koki Takashima, Hirokazu Kubota, Yuji Miyoshi (Osaka Metropolitan Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Inter-symbol interference occurs in optical signal transmission in optical fibers due to the compound effect of wavelength dispersion and nonlinear optical effects. In addition, the signal quality deteriorates due to changes in phase rotation caused by self-phase modulation induced by changes in optical intensity for each signal pattern due to this effect. We have been studying a receiver technology that can remove signal noise and separate time-division multiplexed signals using an optical correlation receiver that takes the product of a reference light and a received signal and integrates the output waveform over time. In this study, as a basic investigation of inter-symbol interference using an optical correlation receiver, we examined the improvement of signal quality using an FIR filter that performs a sum-of-products operation of the received signal and filter coefficients in the same way as an optical correlation receiver.
Keyword (in Japanese) (See Japanese page) 
(in English) RRC filter / FIR filter / coherent transmission / inter-symbol interference / / / /  
Reference Info. ITE Tech. Rep.
Paper #  
Date of Issue  
ISSN Online edition: ISSN 2424-1970
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Conference Information
Committee IEICE-OCS IEICE-OFT IEE-CMN BCT  
Conference Date 2023-11-09 - 2023-11-10 
Place (in Japanese) (See Japanese page) 
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Paper Information
Registration To IEICE-OCS 
Conference Code 2023-11-OCS-OFT-CMN-BCT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Suppression of signal quality degradation due to nonlinear optical effects using optical correlation receivers or FIR filters 
Sub Title (in English)  
Keyword(1) RRC filter  
Keyword(2) FIR filter  
Keyword(3) coherent transmission  
Keyword(4) inter-symbol interference  
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1st Author's Name Koki Takashima  
1st Author's Affiliation Osaka Metropolitan University (Osaka Metropolitan Univ.)
2nd Author's Name Hirokazu Kubota  
2nd Author's Affiliation Osaka Metropolitan University (Osaka Metropolitan Univ.)
3rd Author's Name Yuji Miyoshi  
3rd Author's Affiliation Osaka Metropolitan University (Osaka Metropolitan Univ.)
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Speaker Author-1 
Date Time 2023-11-10 13:00:00 
Presentation Time 25 minutes 
Registration for IEICE-OCS 
Paper #  
Volume (vol) vol.47 
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