The FSLD-1300-0035-FC from Frankfurt Laser Company is a Superluminescent Diode with Wavelength 1270 to 1330 nm, Output Power 0.35 to 0.5 mW, Bandwidth (FWHM) 30 to 40 nm(Spectral Width), Forward Voltage 1.6 to 2 V, Forward Current 200 mA. More details for FSLD-1300-0035-FC can be seen below.