Gaussian Boson Sampling (GBS) is a protocol developed by Hamilton et al. in 2017 that uses single mode squeezed states (SMSS) as a nonclassical resource with outputs patterns in the photon number basis [1].
[1] Hamilton, et al., “Gaussian Boson Sampling”, Physical Review Letters, 2017
[2] Quesada, et al., “Gaussian boson sampling using threshold detectors”, Physical Review, 2018
[3] Zhong, et al., “Quantum computational advantage using photons”, Science, 2020