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12 December 2011
The market for 100G systems is expected to grow strongly next year, judging from a recent announcement by NeoPhotonics.  The components manufacturer says it is in the process of doubling capacity for production of its narrow-linewidth tunable lasers – products optimised to provide the low noise and narrow linewidths required for 40 and 100 Gbps coherent applications.
The tunable laser products come from NeoPhotonics’ acquisition of Santur about a year ago (see NeoPhotonics acquires photonic integration specialist Santur). Available to customers since April 2010, this product range has become one of the leading lasers used in coherent systems, the company claims.
NeoPhotonics offers these lasers in the Optical Internetworking Forum (OIF) MSA-standard ITLA form factor, with up to 35mW launch power in the C band and 20mW in the L band. The products' narrow linewidth and frequency stability are enabled by a phase-shifted DFB laser chip and a proprietary packaging technology, while the ITLA assembly also includes an integrated wavelength locker.
"Our narrow linewidth tunable lasers are key components for coherent transport in telecommunications systems, which we believe is rapidly emerging as a dominate architecture for 40 and 100Gbps networks," said Tim Jenks, CEO of NeoPhotonics. "We believe there is currently a shortage of these critical products while demand continues to grow. We are in the process of more than doubling our production capacity of narrow linewidth tunable lasers with minimal expected additional capital expenditures. We anticipate our added capacity to be on-line in the first quarter of 2012."
By Pauline Rigby