We experimentally demonstrate 1/2-bit delta-sigma modulation and transmission in a 40Gbaud QPSK/16-QAM coherent system. After 24km SSMF transmission, up to 2.5Gbaud 4194304-QAM Nyquist signal is successfully transmitt...
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We propose a low-complexity and IF-free radio-over-fiber scheme using low-pass delta-sigma modulator and RZ shaping for both sub-6GHz and millimeter-wave bands. Up to 262144-QAM, 65536-QAM and 4096-QAM formats are exp...
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We overview the principle of hybrid digital-analog radio-over-fiber technique for high-fidelity and high spectral efficiency mobile fronthaul. The SNR scaling law is theoretically derived and compared with the existin...
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We demonstrate 203.6Tb/s CPRI-equivalent-rate 1024-QAM self-homodyne fronthaul using digital-analog radio-over-fiber and comb-based SDM and WDM superchannel from a single laser source. We further present new records f...
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We experimentally demonstrate radio-over-fiber transmission of 44.4Gb/s 65536-QAM at 25GHz employing 2-bit high-pass delta-sigma modulation. 0.19% EVM is achieved after 10km C-band SSMF transmission, and dispersion-in...
We experimentally demonstrate a dispersion-diverse receiver to mitigate the CD-induced power fading for IM-DD systems at C-band. The receiver can support 256.5 Gb/s line-rate PS-64-QAM signal transmission over 10-km S...
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The collaboration of computing powers (CPs) among unmanned aerial vehicles (UAVs)-mounted edge servers is essential to handle data-intensive tasks of user equipments (UEs). This paper presents a multi-UAV computing po...
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A Mach-Zehnder optical modulator with double graphene layers on silicon waveguide, utilizing the electro-refraction effects of the graphene, is demonstrated with great extinction ratio of 43.6 dB and low dynamic drive...
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We propose and experimentally demonstrate an efficient equalization-enhanced phase noise compensation scheme for long-haul coherent transmission. The distance is extended by 1780km and 470km for 788.4-Gb/s/λ and 968....
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We propose a novel large-scale OXC architecture that utilizes intra-mode optical crossconnect sub-elements and inter-mode switching bridges. We show by simulation that the proposed OXC architecture attains significant...
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