Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique

<div>Dependence of sub-THz wave radiation power (a) on different wavelength spacing with input optical power at 3.6 mW and (b) on PD input optical power with BTB, 10 km DSF, 10 km SMF, and 20 km SMF.</div>

Advances in Condensed Matter Physics

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Figure 3: Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique 

Figure 3 | Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique 