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Conferences > IOPT > 1976 > MA > MA3

Buried-Heterostructure DFB Lasers

Toshihisa Tsukada

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Abstract

Distributed-feedback(DFB) injection lasers are attractive for their capability of single longitudinal mode operation and monolithic integration. Double-heterostructure(DH) lasers with corrugated active regions were fabricated to obtain the laser oscillation at low temperatures. In this structure, however, the corrugated hetero-boundary acted as a carrier sink, thus increasing the threshold current density of DFB lasers.

© 1976 Optical Society of America

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