Surface emitting lasers with combined output

Details Surface emitting lasers with combined output Surface emitting lasers with combined output

H - Electricity

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345/32

H01S 3/06 (2006.01) H01S 5/187 (2006.01)

Patent

CA 1318722

RD-19,523P SURFACE EMITTING LASERS WITH COMBINED OUTPUT ABSTRACT OF THE DISCLOSURE Surface emitting lasers are laterally aligned and coupled together and also have their light output signals combined. This results in greater phase and frequency coherency and narrower and reduced amplitude sidelobes. Preferably, not more than two lasers are longitudinally aligned along the same axis for still greater coherency compared with adding the light output signals of more than two longitudinally aligned lasers. The lasers can be of the DH-LOC type or of the QW type.

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