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We demonstrate photonic transmitters-mixers integrated with Wilkinson power-combiners. Compared with single-ended operation, double-ended operation exhibits 5.5-dB higher output power over wide frequencies (65–100GHz). 15Gbps error-free wireless transmission with 6.6dBm output at 93 GHz is achieved.
We demonstrate novel Si/Ge avalanche photodiodes based electrical comb-line generators, which can directly generate ultra-wideband (10 GHz) comb-lines and short-pulse. By using this device, 1.5Gbps error-free ultra-wideband short-pulse photonic wireless-linking have been successfully achieved.
By combing ultra-fast photonic-transmitter-mixers and envelop detectors with record-high modulation (26 GHz) and video bandwidths (37 GHz), respectively, error-free on-off-keying wireless transmission at W-band with data rate as high as 25 Gbit/sec can be achieved.
By combing Si/Ge avalanche photodiodes based electrical comb-line generators with photonic-transmitter-mixers, millimeter-wave short-pulse generations for photonic ultra-wideband linking at W-band with wireless transmission distance up to 12 meter and error-free 1.5Gbps data rate are demonstrated.
Photonic transmitter-mixers with ultra-wide O-E/modulation bandwidths excited by remote-distributed pulse trains for 20Gbps error-free wireless transmission is presented. The S/N ratios and output power are greater than sinusoidal excitation.
We demonstrated near-ballistic uni-traveling-carrier photodiode based broadband photonic transmitter-mixers with quasi-Yagi radiators fed horn antennas. 100 GHz wireless transmission with date rate as high as 12.5-Gb/s via bias modulation under high photocurrent (20 mA) has been achieved.
By using novel near-ballistic uni-traveling-carrier photodiodes (NBUTC-PDs) based W-band photonic transmitter and a mode-locked laser with a 10 GHz repetition rate, 2.5 Gbit/sec impulse-radio wireless data transmission at 100 GHz with 3.3 m maximum transmission distance have been demonstrated.
Generation and transmission of a wireless W-band 8PSK signal with 3.75-Gb/s data rate are experimentally demonstrated. The W-band carrier is generated from millimeter-wave generation with frequency octupling. Bias modulation of a NBUTC-PD is also utilized.
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