The behavior of the optical bistability (OB), optical multistability (OM) and transition between them at a wavelength of 1.550 , m λ µ = are investigate in a triple coupled quantum dots nanostructure with two consecutive... more
The behavior of the optical bistability (OB), optical multistability (OM) and transition
between them at a wavelength of 1.550 , m λ µ = are investigate in a triple coupled quantum
dots nanostructure with two consecutive tunnelling-induced and an incoherent pumping field.
It is found that OB, OM and transition between them can be accomplished by adjusting
different values of intensity tunnelling-induced and incoherent pumping field. We observed
that with increasing intensity tunnelling-induced and incoherent pumping field and probe
wavelength detuning
0
λ the bistable hysteresis loop becomes narrower whic h makes the
cavity field easier to reach saturation. Switching OB and OM and vice versa is calculated by
discussing the dependency of optical properties on the incoherent pumping and inter-dot
tunneling rates between QD1, QD2 and QD2, QD3. Thissystem with wavelength 1.550 m µ ,
can be useful for provides a new experimental method for the development of new types of
nano-optoelectronic devices for the realizing switching process.
