1550nm continuous-wave laser

Description

DTU will buy a 1550nm continuous-wave laser. Lot 1: Low phase noise fiber laser at 1550 nm delivering 40 mW of power in a continuous-wave beam. The laser is used within the QTREX continuous-variable quantum key distribution system. The receiver lasers must have thermal as well as piezo tuning to control the wavelength close to the transmitter laser (~10 MHz). The minimum requirements for the product are: - Low phase noise < 100 Hz linewidth - Relaxation oscillation relative intensity noise peak < 1 MHz - No relative intensity noise peaks in the spectrum from 1 MHz to 200 MHz - Wavelength: 1550.12 nm thermally tunable by 1 nm. - Beat of two lasers shall be stable within 30 MHz during 1 hour - Laser output power: 40 mW - Polarization maintaining fiber output Small form-factor that can be integrated into a system: <= 150mm x 70 mm x 20mm Proven operation in the QTREX continuous-variable quantum key distribution system allows for minimal costs for component testing and integration Component from a European supplier to establish a European supply chain for the quantum key distribution devices.