Abstract
A GaAs laser array multispot source has been fabricated in which the array is bonded to a silicon substrate, which also contains an accurately aligned collimating lens and an array of fiber lightguides. The coupling efficiency of each laser to its corresponding lightguide is greater than 50%. The package is cooled by a thermoelectric cooler, allowing cw, room-temperature operation of the array at 5 mW output per fiber. This source is useful for multichannel optical-communication applications.
© 1977 Optical Society of America
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