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. 2022 Mar 16;13:1388. doi: 10.1038/s41467-022-29049-2

Fig. 4. Configuration of high-speed THz wireless transmission.

Fig. 4

Experimental setup of the single-channel photonic-wireless transmission system carrying 131.21 Gbits-1 16-QAM-OFDM signal over a 10.7-m distance: a the injection-locked dual-DFB PIC for optical LO and carrier generation; b the broadband signal modulation and recombining with the LO; c the DSP routine for signal equalization and demodulation; d a photo of the THz link setup and e THz emission, transmission, and reception.