CQF935-808

COMMUNICATIONS COMPONENTS 50 mW 1550 nm CW DFB Lasers with PM Fiber for WDM Applications CQF935/808 Series Key Features 1550 nm WDM distributed feedback laser diode High power (> 50 mW) Polarization maintaining fiber Built-in thermoelectric cooler Cooled, built-in optical isolator 1527 - 1610 nm wavelength range 0.8 nm (100 GHz) spacing 0.4 nm (50 GHz) spacing optional Applications Hybrid fiber-coax (HFC) networks, cabletelevision (CATV) networks and metro architectures where high power, low RIN, and narrow linewidths are required Long haul for compensation of high-loss passive or active components The JDS Uniphase CQF935/808 series laser is specifically developed for wavelength division multiplexing (WDM) systems, where it is used as a wavelength selected source in combination with an external modulator, such as the LiNbO3-based Mach-Zehnder. Selected wavelengths comply with ITU recommendations, both in range (1527.61 to 1610.06 nm) and in channel definition, thus adhering to the 100 GHz grid (0.8 nm) relative to a frequency of 193.1 THz (i.e., a wavelength of 1552.52 nm). It is possible to customize the wavelength spacing to a 50 GHz grid (0.4 nm). Each laser's wavelength is accurately measured, and the laser itself is accompanied by a datasheet with the laser performance at the temperature T, where the required wavelength channel is reached. The CQF935/808 shows high side mode suppression ratios, very low relative intensity noise, and small linewid...