1990

,

Theoretical analysis for high efficiency operation in distributed reflector(DR) type lasers

1990

,

High efficiency characteristics of 1.5μm GaInAsP/InP SCH-BIG-DR lasers

1990

,

SCH-distributed reflector (DR) laser with thin active layer

1989

,

Distributed reflector (DR) laser with SCH structure

1989

,

Dependence of lasing properties of DR laser on the position of λ/4 phase shift region