Experimental demonstration reveals a modulator achieving over 110 GHz bandwidth and 220 Gb/s data rates, indicating its potential for advanced optical communications.
We experimentally demonstrated a high-speed topological photonic crystal modulator based on thin film lithium niobate, featuring a bandwidth >110 GHz. The device achieved data rates of 128 Gb/s for NRZ and 220 Gb/s for PAM4.
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Liu et al. (2025) studied this question.
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