Secure optical communication system based on polarization regulation of the data fragmentation multipath transmission technology.
Opt Lett
; 49(11): 3226-3229, 2024 Jun 01.
Article
in En
| MEDLINE
| ID: mdl-38824369
ABSTRACT
We propose and demonstrate a data fragment multipath transmission scheme to achieve a secure optical communication based on polarization regulation. A dual-polarization Mach-Zehnder modulator (DPMZM) is driven by digital signals which are scattered by field-programmable gate array (FPGA) and transmitted in multiple paths. By utilizing two orthogonal polarization states, we have achieved a signal transmission under different optical parameters, and the transmission rate of the two paths can reach over 10â
Gbps through a 20â
km fiber with 2.5â
Gbps hopping rate. In addition, we establish a theoretical model to analyze the security of the system and simulate brute force cracking; the probability of cracking the minimum information unit is 1.53 × 10-53. This proves that it is difficult to obtain a user data even using the fastest computers. Our scheme has provided, to our knowledge, a new approach for physical layer security.
Full text:
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Collection:
01-internacional
Database:
MEDLINE
Language:
En
Journal:
Opt Lett
/
Opt. lett. (Online)
/
Optics letters (Online)
Year:
2024
Document type:
Article
Country of publication: