In this paper, we will demonstrate a photonics-based 300 GHz THz wireless communication with our new-type dual-mode laser(DML) beating light source which is directly modulated at a rate of more than10 Gbps. Also, we verified that using of the DML is superior in terms of stability and linewidth than other technique of photomixing using a two distributed-feedback(DFB) LDs.
In this work, we reported the 1.55 ㎛ ridge-type dual mode laser(R-DML) as a THz communication beating source. It have many advantages of cost effects, compactness and simplification of fabrication by introducing the ridge-type waveguides. We have demonstrated 10Gbps THz wireless communications with 10-3 BER (bit-error-rate) without digital signal processing.
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