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Noise avalanche and its quantum quenching in bosonic chains with random off-diagonal disorder

Noise avalanche and its quantum quenching in bosonic chains with random off-diagonal disorder

Here we discuss a phenomenon of sharp increase in the photon number noise at initial stages of propagation in tight-binding bosonic chains with off-diagonal disorder. Such a "noise avalanche" occurs under classical coherent excitation of waveguides and leads to high super-thermal photon bunching. Additional classical excitation slows but cannot quench …