Passive mode-locking uses a saturable absorber (solid dye, semiconductor saturable absorber mirror SESAM, graphene, carbon-nanotube) with intensity-dependent loss α(I) = α₀/(1 + I/I_sat) to enforce pulsed operation: low-intensity CW light…
Passive mode-locking uses a saturable absorber (solid dye, semiconductor saturable absorber mirror SESAM, graphene, carbon-nanotube) with intensity-dependent loss α(I) = α₀/(1 + I/I_sat) to enforce pulsed operation: low-intensity CW light…