Yes, EXALOS's SLEDs can be directly modulated via the bias current. The devices can be modulated by using the available modulation input of commercially available laser drivers. The maximum bandwidth for packaged devices is about 200MHz and is limited by package parasitics, rather than by the SLED itself. Please download our Applications Notes for more details.

When the SLED is used on the EXALOS driver board, EBD2000-0000, the modulation bandwidth is limited to 10kHz due to the employed electrical circuit that is designed to minimize noise.