Rather than extend a lower-speed product, Infineon is basing its transceivers on Vertical Cavity Surface Emitting Lasers (VCSELs), designed to go up to 5 Gbit/s. Picolight Inc. announced a similar line of transceivers in May (see Picolight Takes eSFP to 5-Gig).
Picolight has also started offering lasers and detectors for those vendors that want to build transceivers specifically for 4-Gbit/s speeds (see PicoLight Debuts Laser Family). "We need to take the opportunity to make sure there's a viable food chain for 4-Gbit/s Fibre Channel," says Warner Andrews, Picolight vice president of marketing.
Infineon expects its 850nm, 4-Gbit/s transceiver to begin volume shipments in the second quarter of 2004. Around that time, the 1310nm version should be ready to sample, Kanama says.
Craig Matsumoto, Senior Editor, Light Reading
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