Coherent light generators – Particular active media – Semiconductor
Patent
1994-12-29
1997-04-15
Bovernick, Rodney B.
Coherent light generators
Particular active media
Semiconductor
372 46, H01S 318
Patent
active
056217471
ABSTRACT:
A multi quantum well semiconductor laser includes an InP substrate and a multi-layered structure formed on the InP substrate, lasing at 1.29 .mu.m to 1.33 .mu.m wavelength, wherein the multi-layered structure includes at least a multi quantum well active layer, the multi quantum well active layer including InGaAsP well layers and InGaAsP barrier layers alternately provided, the InGaAsP barrier layers are lattice matched with the InP substrate, and a bandgap wavelength of the InGaAsP barrier layers is substantially equal to 1.05 .mu.m.
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Ishino Masato
Kitoh Masahiro
Matsui Yasushi
Otsuka Nobuyuki
Bovernick Rodney B.
Matsushita Electric - Industrial Co., Ltd.
Song Yisun
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