Research Article
Dual-Wavelength Passively Q-Switched Erbium-Doped Fiber Laser Incorporating Calcium Carbonate Nanoparticles as Saturable Absorber
Figure 15
Q-switched EDFL optical spectrum measured at a pump power of 270 mW: (a) without SA and (b) with CaCO3 SA operating at dual wavelengths.
| (a) |
| (b) |