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JDSU unveils 40 and 50 mW DFB laser family

JDS Uniphase has unveiled a new family of high power CW DWDM lasers for fiber-optic communications. These lasers target metropolitan and long-haul architectures, in addition to an emerging market for wavelength specific solutions in CATV networks.

Next generation metropolitan and long-haul architectures that include high power lasers will allow greater distances between amplifier points, offering significant cost savings potential. In 10 and 40 Gbit/s long-haul applications, high-power lasers can be used to compensate for the losses in more complex architectures.

CATV networks already use high power lasers for TDM applications and now need high power lasers for DWDM, in which specific wavelengths are allocated to specific services.

The new lasers are available in 40 and 50 mW versions (the CQF935/708 and CQF935/808) without internal wavelength monitoring and a 40 mW version (CQF975/708) with an integrated wavelength monitor. The devices feature a maximum relative intensity noise of -160 dB/Hz, narrow linewidth of 1 MHz, side-mode suppression ratios of typically 45 dB. The thermal stability is measured as a wavelength drift with case temperature of better than 0.0001 nm/°C for the CQF975/708. The lasers are available at ITU 50 GHz for the entire C- and L-band and offer built-in thermoelectric coolers and polarization maintaining fiber.

JDS Uniphase s family of CW sources lasers now includes 2.5, 10, 20, 40 and 50 mW WDM lasers and 40, 50 and 63 mW TDM lasers. Lori Goulet, Corporate Communications
Tel: +1 613 727 1304 x6486
E-mail: lori.goulet@jdsu.com
Web site: http://www.jdsu.com

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