Phillip EspinasseDr. Steven KosierWith the emergence of the Blu-ray video recording format, end users can record, rewrite and play back at least two hours of digital HDTV or more than 13 hours of standard video on a single optical disc. Currently, however, Blu-ray systems are found only in the homes of HDTV enthusiasts. Costs must come down before the broad market will accept the format. One way for manufacturers to control costs is to incorporate as many functions onto as few CMOS or bipolar CMOS chips as possible. In CD/DVD systems, this is accomplished by integrating the photodiode that senses the data with the...Read full articleRelated content from Photonics MediaArticlesSpace-Saving Sensors Ease Automotive Design WoesSelf-driving vehicles need enough sensors to guide them safely through all types of traffic situations — and the sensors need enough space to work properly. 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