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

Fig. 2. A conceptual diagram of a high-speed wireless local area network (WLAN) based on THz frequency division multiplexing (FDM) with fully integrated on-chip THz transmitters injection-locked by a optical frequency comb (OFC).

Fig. 2

The shared frequency comb is distributed to each integrated THz transmitter, consisting of dual-DFB lasers, data modulator, UTC-PD, and THz antenna. LO local oscillator; UTC-PD uni-traveling carrier photodiode.