The SLD-1190-90-YY-1 from Innolume is a Superluminescent Diode with Wavelength 1180 to 1200 nm, Output Power 0.5 to 1.0 mW, Bandwidth (FWHM) 75 to 90 nm, Operating Current 300 to 400 mA, Forward Voltage 1.4 to 1.6 V. More details for SLD-1190-90-YY-1 can be seen below.