We report the operation of strained layer In0.20Ga0.80As quantum well
lasers grown on (211)B GaAs substrates, thus incorporating a piezoelec
tric field. Growth was by atmospheric pressure metal-organic vapor pha
se epitaxy (MOVPE). The threshold current density of a 1000 mu m x 75
mu m device is 91 A . cm(-2) and waveguide transparency is estimated a
t 32 A . cm(-2) for a simple separate confinement heterostructure (SCH
) emitting at 982 nm.