Fig. 4: A conceptualization of a monolithically integrated mid-IR DCS sensor.
From: Architecture for microcomb-based GHz-mid-infrared dual-comb spectroscopy
Two 1.0 μm solitons phase-locked to the 1.5 μm CP solitons are used for iDFG in on-chip PPLN waveguides. SOA: semiconductor optical amplifier.
