SFPs Challenge Tunable Lasers in Metro Sparing

by Meghan Fuller fibers.org News, 22 Aug 2005 Tunable lasers have long promised dynamic reconfigurability and on-the-fly provisioning, but these applications have yet to materialize. In the interim, sparing remains the key driver for tunable-laser use in the metro. Yet, tunable lasers come with a considerable price tag, prompting carriers to consider small-form-factor-pluggable transceivers to perform the same function at a much lower price point. Read more