VCSELs have huge growth potential owing to emerging applications and are expected to boost new opportunities in the consumer electronics market. VCSEL-based time-of-flight (ToF) sensors are widely used in smartphones for distance measurement, as well as proximity sensing. Today, several devices, such as smartphones and tablets, offer navigation by touch screens or even voice and gesture recognition; several other smart sensors in such devices are based on advanced optical solutions. http://www.sbwire.com/press-releases/vcsel-market-and-its-key-opportunities-and-challenges-1262936.htm