Quantum dot coherent comb lasers for B5G/6G mobile and terrestrial communication systems

Z. G. Lu; G. C. Liu; J. R Liu; P. J. Poole; Y. X. Mao; K. Zeb; X. R. Xie; M. Rahim; M. Vachon; C. Y. Song; Y. Qi; J. Weber; P. Barrios; D. Poitras; N. Sabourin; S. Chen; P. Zhao; L. Huang; A. Askarian; X. P. Zhang; J. P. Yao; K. Wu

doi:10.1117/12.3000712

12 March 2024 Quantum dot coherent comb lasers for B5G/6G mobile and terrestrial communication systems

Z. G. Lu, G. C. Liu, J. R Liu, P. J. Poole, Y. X. Mao, K. Zeb, X. R. Xie, M. Rahim, M. Vachon, C. Y. Song, Y. Qi, J. Weber, P. Barrios, D. Poitras, N. Sabourin, S. Chen, P. Zhao, L. Huang, A. Askarian, X. P. Zhang, J. P. Yao, K. Wu

Author Affiliations +

Proceedings Volume 12889, Integrated Optics: Devices, Materials, and Technologies XXVIII; 128890E (2024) https://doi.org/10.1117/12.3000712
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

Future mobile and terrestrial communication systems B5G/6G are strongly expected to heterogeneously realize typically diversified performances, i.e. high-data-rate, high-mobility, low-latency, high-capacity, massive-connectivity and low-energy in order to satisfy the highly diversified application requirements. To achieve those goals the operation band of B5G/6G should be primarily in the millimeter-wave (mmW) range. Generation and distribution of mmW with traditional methods is limited by electronic bottleneck and associated complexity. Consequently broad bandwidth, simple, efficient, and cost-effective photonic mmW-over-fiber (mmWoF) transmission systems are solutions for B5G/6G. The spectral purity of mmW carriers is necessary. Numerous approaches have been proposed to generate pure mmW signals. Compared with other technologies, quantum dash or dot (QD) coherent comb lasers (QD CCLs) have great advantages for mmW generation because QD-CCLs with low power consumption and chip-scale integration capacity with silicon can provide multiple highly correlated and low noise optical channels. In this paper we will present our developed InAs/InP QD-CCLs around 1550 nm with the channel spacing from 10 GHz to 1000 GHz and the output power up to 50 mW. By using a C-band QD CCL and based on the single- and dual-optical carrier modulation schemes, an up to 16-Gb/s mmWoF optical heterodyne wireless signal at 28 GHz through a 25-km single mode fiber before the mmW carrier is optically synthesized remotely for detection over a 2-m free space. The data capacity and performance of the proposed mmWoF link can be significantly increased by utilizing a duplex mmWoF link with MIMO and WDM technique, which provides a cost-efficient and promising solution for Terabit/s capacity mmWoF fronthaul systems of B5G/6G networks.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Z. G. Lu, G. C. Liu, J. R Liu, P. J. Poole, Y. X. Mao, K. Zeb, X. R. Xie, M. Rahim, M. Vachon, C. Y. Song, Y. Qi, J. Weber, P. Barrios, D. Poitras, N. Sabourin, S. Chen, P. Zhao, L. Huang, A. Askarian, X. P. Zhang, J. P. Yao, and K. Wu "Quantum dot coherent comb lasers for B5G/6G mobile and terrestrial communication systems", Proc. SPIE 12889, Integrated Optics: Devices, Materials, and Technologies XXVIII, 128890E (12 March 2024); https://doi.org/10.1117/12.3000712

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