CUED Publications database

Interleaved single-carrier frequency-division multiplexing for optical interconnects

Zhou, J and Qiao, Y and Yu, J and Shi, J and Cheng, Q and Tang, X and Guo, M (2017) Interleaved single-carrier frequency-division multiplexing for optical interconnects. Optics Express, 25. pp. 10586-10596.

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In this paper, we propose a real-valued interleaved single-carrier frequency-division multiplexing (I-SC-FDM) scheme for intensity-modulation and direct-detection optical interconnects. By simplifying the encoding structure, the computational complexity can be reduced from Nlog2N complex multiplications to N complex multiplications. At the complementary cumulative distribution function of 10 , a reduction of 10 dB and 7.5 dB for the peak-to-average power ratio (PAPR) of the I-SC-FDM is achieved than that of orthogonal frequency-division multiplexing modulated with QPSK and 16QAM, respectively, when the subcarrier number is set to 4096. We experimentally demonstrate the I-SC-FDM scheme for optical interconnects with data rates of 12 Gbit/s, 24 Gbit/s and 128 Gbit/s transmitted over 22.5-km, 22.5-km and 2.4-km standard single mode fiber, respectively. The I-SC-FDM scheme shows great potential for cost-sensitive and power-sensitive optical interconnects owing to its low computational complexity and low PAPR. -2

Item Type: Article
Depositing User: Cron Job
Date Deposited: 05 Feb 2020 20:02
Last Modified: 13 Apr 2021 07:10
DOI: 10.1364/OE.25.010586