VCSEL applications diversify as technology matures

There have been considerable changes in the VCSEL marketplace since III-Vs Review last visited the subject. Nevertheless, prospects are pretty good, with plenty of new life left yet. Improving processes are yielding devices with better performance. This promises to open up new applications not only for displays and instrumentation but also for higher-bandwidth, longer-reach metropolitan data communications networks, where so much expectation lies, as well as other as-yet untapped applications.