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In the field of photocatalytic CO2 reduction, quantum dot (QD) assemblies have emerged as promising candidate photocatalysts due to their superior light absorption and better substrate adsorption. However, the poor contacts within QD assemblies lead to low interfacial charge transfer efficiency, making QD assemblies suffer from unsatisfactory photocatalytic performance. Herein, a novel approach is...
A simple photonic scheme for generation of linear frequency modulated (LFM) THz pulses with large bandwidth is experimentally demonstrated based on an optical interferometer. We successfully generate linearly chirped THz pulses centered at 350 GHz, and featuring a bandwidth in excess of 40 GHz. The tunability of the THz center frequency is also investigated in the experiment. The time bandwidth product...
We overview recent trend in developing high speed wireless communication systems by exploring large bandwidth available in the THz band, and we also present our recent experimental achievements on 400 GHz wireless transmission with a data rate of up to 60 Gbit/s by using a uni-travelling carrier photodiode (UTC-PD) as emitter and a Schottky diode as receiver. This system is foreseen to be capable...
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