Fig. 3
From: All-optical control of lead halide perovskite microlasers

The reversible process. a The evolution of lasing spectrum with the increase and decrease of pumping density (μJ cm−2). b The corresponding extinction ratio in (a)
From: All-optical control of lead halide perovskite microlasers
The reversible process. a The evolution of lasing spectrum with the increase and decrease of pumping density (μJ cm−2). b The corresponding extinction ratio in (a)