News

9 February 2009

 

Bookham achieves 300m field hours for pump laser chip

Optical component, module and subsystem maker Bookham Inc of San Jose, CA, USA says that its flagship generation eight (G08) optical chip, designed for signal amplification in telecom networks, has achieved a combined total of 300 million field hours. This contributes to the 20 billion field hours generated by the firm's broader pump portfolio, which has demonstrated a FIT (failure in time) rate of <15FITs in the terrestrial market.

Manufactured at Bookham’s plant in Zurich, Switzerland and fully qualified to Telcordia requirements and beyond for both terrestrial and submarine applications, the G08 chip has been an integral part of Bookham’s portfolio of pump laser and amplifier products for four years, and underpins its 750mW pump laser module and the OceanBright submarine pump.

The 750mW pump laser module has been shipping in volume since March 2007 and has the highest power available, claims director of product management Mark Ives. It offers the opportunity to replace two pump laser modules with one, improving cost and performance and enabling a reduced footprint for amplifiers. Bookham claims that the module has the industry’s widest operating temperature range at 750mW (from -20° to +75°, covering uncontrolled environments and central office under fault conditions) as well as the lowest-profile package available (just 7.6mm).

Bookham’s OceanBright pump has been shipping in volume to major tier-one submarine equipment manufacturers since September 2007. The module is capable of exceeding 400mW at operating temperatures from 0°C to 45°C, and is the only submarine pump available in a small-form-factor Mini-DIL package, it is claimed.

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