Radiation sensitivity of GaAs components is not really well known, compare to other technologies. Traditional radiation harness policy consisted in a good derating in DC bias conditions to ensure operation inside a known or expected DC safe operating area (SOA). However...
![Schematic of the QKD source a semiconductor optical amplifier](https://wpo-altertechnology.com/wp-content/uploads/2016/02/Schematic-of-the-QKD-source-a-semiconductor-optical-amplifier-310x232.jpg)
A novel integrated optical source capable of emitting faint pulses with different polarization states and with different intensity levels at 100 MHz has been developed. The source relies on a single laser diode followed by four semiconductor amplifiers and thin film polarizers...
![Radiation testing board with six HV optocouplers](https://wpo-altertechnology.com/wp-content/uploads/2016/02/Radiation-testing-board-with-the-six-HV-optocouplers-310x232.jpg)
In space applications, optocouplers may need to work at very low temperatures. Under this low temperature operating conditions, the device degradation subjected to radiation exposure may show different behaviour compared to a standard radiation test under room temperature. The...