Fig. 6: InGaAsP quantum well laser as a two-photon photodetector.

a IXC signal in a soliton singlet state when the LUT average power was 9 μW. b IXC signal when the LUT average power was 6 mW. The LO power was 15 mW, and 23 mW, respectively.

a IXC signal in a soliton singlet state when the LUT average power was 9 μW. b IXC signal when the LUT average power was 6 mW. The LO power was 15 mW, and 23 mW, respectively.