NDLI: Investigation for achievable NCG of optical FEC coding with convolutional code using optical XOR gates based on four-wave mixing in highly non-linear fibre

Content Provider	IET Digital Library
Author	Aikawa, Yohei Uenohara, Hiroyuki
Abstract	This study has given the investigation for achievable net coding gain (NCG) of optical forward error correction (FEC) coding scheme with convolutional code to control the received sensitivity following a required signal-to-noise ratio in the communication channel. The achievable NCG is obtained from the difference between the upper bound NCG and the power penalty of the optical exclusive-OR (XOR) gate, which is based on a four-wave mixing in highly non-linear fibre. The upper bound NCG was analytically derived by calculating error probability of optimal convolutional code, and the power penalty was numerically derived by comparing bit-error rates between with and without the optical FEC coding. To confirm the feasibility for achieving the highest NCG, the optimal operating condition of the optical XOR gate is experimentally evaluated to minimise their power penalty. A 0.5 dB power penalty was obtained at BER = 10 − 9 under the optimised condition with 223−1 pseudo-random binary sequence differential phase-shift keying-modulated return to zero signal at 10 Gbps.
Starting Page	22
Ending Page	29
Page Count	8
ISSN	17518768
Volume Number	14
e-ISSN	17518776
Issue Number	Issue 1, Feb (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-opt/14/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-opt.2019.0029
Journal	IET Optoelectronics
Publisher Date	2019-07-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Achievable NCG Achievable Net Coding Gain Binary Sequences Bit-error Rates Code Convolutional Codes Differential Phase Shift Keying Error Statistics Exclusive-OR Gate Forward Error Correction Four-wave Mixing Highest NCG Logic Element And Interconnect Modulation And Coding Method Multiwave Mixing Noise Figure 0.5 DB Nonlinear Fibre Optical Computers Optical Computing Technique Optical FEC Coding Optical Forward Error Correction Coding Scheme Optical Logic Optical Logic Device Optical Phase Conjugation And Multiwave Mixing Optical XOR Gate Optimal Convolutional Code Power Penalty Radio Link And Equipment Required Signal-to-noise Ratio Statistics Upper Bound NCG
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering

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