AI Article Synopsis
- The paper presents a new 3D carrier-less amplitude and phase modulation (CAP) system designed for 7-core fiber in passive optical networks, utilizing a pyramid constellation encryption scheme.
- It employs chaos sequences from a 4D hyperchaotic system for masking, along with Rubik's cube rotation rules to manipulate constellation points.
- Experimental results show that the encrypted Pyraminx-3D-CAP-16 transmission at 25.5Gb/s over 2 km of fiber improves sensitivity by 0.5 dB while maintaining strong performance, indicating its potential for enhancing physical layer security.
Article Abstract
This paper proposes a 3-dimensional (3D) carrier-less amplitude and phase modulation (CAP) based on a pyramid constellation design encryption scheme for 7-core fiber in passive optical network (PON). The chaos sequences generated by the 4D hyperchaotic system are applied to produce the masking factor, and the pyramid Rubik's cube rotation rules are used to flip and rotate the constellation points. To verify the performance of the proposed 3D CAP-PON system, 25.5Gb/s encrypted Pyraminx-3D-CAP-16 signal transmission over 2 km 7-core fiber is experimentally demonstrated. Compared with the traditional 3D-CAP-16 signal, the proposed Pyraminx-3D-CAP-16 signal achieves a sensitivity gain of 0.5 dB under the limit of hard decision forward error correction (HD-FEC) 3.8 × 10. Compared with the Pyraminx-3D-CAP-16 signal, the encrypted Pyraminx-3D-CAP-16 signal has little difference from that before encryption, which has a great application prospect in the physical layer security enhancement of the 3D-CAP-PON system.
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| http://dx.doi.org/10.1364/OE.483007 | DOI Listing |
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