Saturable absorbers as passive modulators in passively mode-locked fiber lasers play a crucial role in the generation of ultrashort pulses. Germanene, a graphene-like two-dimensional material with ...

Passive mode-locked technology utilizes saturable absorbers' nonlinear absorption effect to regulate the cavity's loss and phase to generate mode-locked pulses. Graphene has a unique energy bandgap ...

Your device's Do Not Disturb setup is packing some powerful new punch — but it's up to you to figure out how to embrace it. Setting your phone on silent sure ain’t what it used to be. If you’re among ...