Sumitomo Electric Industries, Ltd. (SEI) (TOKYO:5802) (ISIN:JP3407400005), an established manufacturer of optical components and modules, today announced the launch of newly industry-leading dense wavelength division multiplexing (DWDM) small form factor pluggable (SFP) transceivers.
Network infrastructures and the applications they carry such as VoIP and IPTV continue to drive increased bandwidth. So does the capital investment of service providers to upgrade their systems. DWDM is an attractive technology for increasing capacity and enables system developers to provide increased bandwidth serving multiple applications in the Long Haul and Metro at lower costs.
The new DWDM SFP, SCP9FB8 series, is designed to support 3200ps/nm and a distance of 160km by adapting the Laser Driver with low chirp characteristics and optimizing the drive current. Previous 160km transmission dispersion tolerance was 2400ps/nm. The conventional models can be deployed in data links with spans of up to 120km. “Considering the WDM technology has been eroding in Metro area from Long-haul, expansion of distance is the key to fulfill the customer demand.” said Ichiro Kono, General Manager of SEI’s Optical Transmission Components Division. “SEI is not the leading company at Long-Haul market but these products should expand our business opportunities.”
The features of SCP9FB8 series are, 1) Improving the value of dispersion tolerance from 2,400ps/nm to 3,200ps/nm by adopting of laser diode with the low chirp characteristic and optimizing the laser diode driving current, 2) Equipped with Variable Decision Threshold (VDT) function which reshapes the received waveform by optimizing logical judgment threshold level by way of I2C, 3) Fully RoHS compliant.