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Base on a DDMZM, we propose and demonstrate a 100-Gb/s system for 80km SMF transmission using direct-detection eSSB-DMT. Furthermore, a twin-SSB-DMT is realized based on the same transmitter architecture and 200Gb/s over 80km SMF is successfully demonstrated with novel receiver and MIMO-array DSP.
We experimentally demonstrate 112-Gb/s DMT transmission over 80-km SMF using low-cost direct-detection architecture based on a novel twin-SSB-DMT technique. High capacities up to 146Gb/s, 138Gb/s and 130Gb/s are achieved with BER at 4.5×1 0−3 for BTB, 40-km and 80-km SMF transmissions, respectively.
C-band 56Gbps transmission over 80-km single mode fiber without chromatic dispersion compensation is realized by using discrete multi-tone modulation based on low cost electro-absorption modulated laser and receiver. The required OSNR of 26.3 dB at BER of 4E-3 is achieved.
A spectrum-efficient MIMO-enhanced 60-GHz RoF system based on optical TDM has been demonstrated. It consists of two QPSK-OFDM MIMO channels with a simple TDM network design as a practical solution for mm-wave MIMO-based wireless communications.
For the first time, bidirectional multi-band multi-gigabit wireless-over-fiber transmission at 60-GHz mm-wave band has been accomplished with centrally supplied LO service. It does not require mm-wave LO devices in each base stations and mobile terminals.
We demonstrate for the first time a polarization-multiplexed multiple-input multiple-output radio-over-fiber system with direct-modulation and envelope-detection architectures. Based on blind equalization techniques, cross-channel interferences in both optical fiber and wireless channels are cancelled simultaneously without incurring additional overhead.
A novel duobinary RF receiver is proposed and demonstrated based on RF envelope detection for millimeter-wave radio-over-fiber systems. Robust RF downconvertion and duobinary decoding are achieved simultaneously at an RF envelope detector. Duobinary signal delivery over wired and wireless link in coherent single-sideband optical millimeter-wave systems is demonstrated for the first time.
We propose a novel self-mixing duobinary RF receiver structure for 60-GHz radio-over-fiber systems, which simultaneously downconverts and decodes RF duobinary signals at Nyquist limit. Error-free transmission at 4Gb/s over 25-km SMF-28 and 4-ft wireless is demonstrated.
In this letter, we propose and experimentally demonstrate an all-optical virtual private network (VPN) structure in a wavelength-division-multiplexed (WDM) passive optical network (PON). The scheme utilizes a semiconductor optical amplifier (SOA) in optical line terminal (OLT) to transfer optical VPN data among different optical network units (ONUs) based on the cross-gain-modulation (XGM) effect...
We propose and experimentally demonstrate a reconfigurable all-optical VPN scheme enabling intercommunications among different ONUs in a WDM PON. Reconfiguration is realized by dynamically setting wavelength conversion of optical VPN signal using a SOA in the OLT.
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