20mW ASE Laser source 10mW ASE Laser source C-band flat ASE Laser source 1528~1563nm ASE Laser source Single-mode ASE Laser source Adjustable ASE Laser source ASE broadband laser source module 1870nm ASE broadband laser source 1950nm ASE broadband laser source 2000nm ASE Broadband Laser Source C+L Band ASE Broadband Laser Source 1060nm ASE Broadband Laser Source