A 1550-nm fiber-pigtailed laser diode module with output power of 1 mW has been launched by Photonic Products UK Ltd. The 300-0052-03 comprises a telecommunications-wavelength laser diode packaged in a coaxial housing with a mounting flange. Operating temperature is from –40 to 85 °C. Maximum threshold current is 20 mA, spectral width is 5 nm, forward voltage is 1.6 V, and rise/fall time is 0.5 ns. Applications include fiber optic network test equipment.