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Acta Optica Sinica, Volume. 45, Issue 13, 1306028(2025)

Peta-bit Multidimensional Multiplexing Optical Transmission System Based on Low Coupling Crosstalk Multi-Core Few-Mode Fiber (Invited)

Jianjun Yu1、*, Chen Wang1, Bohan Sang1, Jianyu Long1, Junjie Ding1, Ying Wu1, Ying Wang1, Bo Liu2, Xiangjun Xin3, and Lei Shen4
Author Affiliations
  • 1School of Information Science and Technology, Fudan University, Shanghai 200433, China
  • 2School of Electronic and Information Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, Jiangsu , China
  • 3School of Electronic Engineering, Beijing University of Posts and Telecommunication, Beijing 100876, China
  • 4Yangtze Optical Fibre and Cable Joint Stock Limited Company, Wuhan 430073, Hubei , China
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    [1] Yu J J, Wu Y. High-speed optical fiber communication in China[J]. ACS Photonics, 10, 2128-2148(2023).

    [2] Chow C W. Recent advances and future perspectives in optical wireless communication, free space optical communication and sensing for 6G[J]. Journal of Lightwave Technology, 42, 3972-3980(2024).

    [3] Puttnam B J, Rademacher G, Luís R S. Space-division multiplexing for optical fiber communications[J]. Optica, 8, 1186-1203(2021).

    [4] Sun L, Zhang J W, Zhou G et al. Theoretical investigations of weakly- and strongly-coupled multi-core fibers for the applications of optical submarine communications under power and fiber count limits[J]. Optics Express, 31, 4615-4629(2023).

    [5] Schulze C, Brüning R, Schröter S et al. Mode coupling in few-mode fibers induced by mechanical stress[J]. Journal of Lightwave Technology, 33, 4488-4496(2015).

    [6] Sillard P, Molin D, Bigot-Astruc M et al. Micro-bend-resistant low-differential-mode-group-delay few-mode fibers[J]. Journal of Lightwave Technology, 35, 734-740(2017).

    [7] Shibahara K, Hoshi M, Hasegawa T et al. Recursive least squares based low-complexity frequency-domain MIMO equalization for MDL-tolerant long-haul space division multiplexing transmission[J]. Journal of Lightwave Technology, 42, 4324-4337(2024).

    [8] Wang C, Wang K H, Long J Y et al. High-order QAM NANF transmission utilizing MIMO equalizer integrated with low-complexity decision-directed carrier phase estimation[J]. Optics Letters, 49, 2293-2296(2024).

    [9] Igarashi K, Soma D, Wakayama Y et al. Ultra-dense spatial-division-multiplexed optical fiber transmission over 6-mode 19-core fibers[J]. Optics Express, 24, 10213-10231(2016).

    [10] Rademacher G, Luís R S, Puttnam B J et al. 1.53 peta-bit/s C-band transmission in a 55-mode fiber[C], 1-4(2022).

    [11] Qiao G, Yang Y, Ji H L et al. 205.8-Tb/s weakly-coupled 2-mode 7-core transmission over 1170-km FM-MCF only using 2×2 MIMO-DSP[J]. Journal of Lightwave Technology, 43, 1934-1940(2025).

    [12] Xiong J J, Sun L, Ma L et al. Mitigation of MIMO equalizer-enhanced noise in long-haul coupled-core multicore fiber transmissions by an advanced spectral shaping filter[J]. Optics Letters, 50, 177-180(2025).

    [13] Wang W J, Tong K, Xiang L. Distribution characteristics of inter-core crosstalk in weakly coupled multicore fibers[J]. Acta Optica Sinica, 42, 0206002(2022).

    [14] Hui Z Q, Li Z L, Han D D et al. Novel mode-division multiplexer/demultiplexer with ultra-large bandwidth and ultra-low insertion loss based on five-core photonic crystal fiber[J]. Acta Optica Sinica, 44, 1606003(2024).

    [15] Zhang Y, Wang C, Sang B H et al. 16QAM mode-wavelength division multiplexing coherent transmission system based on MIMO neural network equalization[J]. Acta Optica Sinica, 44, 0306003(2024).

    [16] Wang C, Long J Y, Sang B H et al. Broadband hollow-core NANF transmission utilizing optimal carrier phase estimation for probabilistic shaping constellation[J]. Chinese Optics Letters, 23, 020604(2025).

    [17] Wang C, Wang K H, Long J Y et al. High-order QAM NANF transmission utilizing MIMO equalizer integrated with low-complexity decision-directed carrier phase estimation[J]. Optics Letters, 49, 2293-2296(2024).

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    Jianjun Yu, Chen Wang, Bohan Sang, Jianyu Long, Junjie Ding, Ying Wu, Ying Wang, Bo Liu, Xiangjun Xin, Lei Shen. Peta-bit Multidimensional Multiplexing Optical Transmission System Based on Low Coupling Crosstalk Multi-Core Few-Mode Fiber (Invited)[J]. Acta Optica Sinica, 2025, 45(13): 1306028

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Mar. 27, 2025

    Accepted: May. 28, 2025

    Published Online: Jul. 22, 2025

    The Author Email: Jianjun Yu (jianjun@fudan.edu.cn)

    DOI:10.3788/AOS250808

    CSTR:32393.14.AOS250808

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology