The AF4Y108GA85J from Anritsu Corporation is a Laser Diode with Wavelength 1478 to 1490 nm, Output Power 0.08 W, Operating Voltage 1.4 to 1.8 V, Threshold Current 45 to 55 mA, Output Power (CW) 0.08 W. More details for AF4Y108GA85J can be seen below.