Electrically tunable fast light at THz bandwidth using cascaded semiconductor optical amplifiers.
Ultra fast non-linear processes are used to achieve an advance of 2 ps for a 600 fs pulse propagating through two SOAs in series. This corresponding 3.3-pulse advance is tuned continuously by changing the current applied to the devices. We propose an experimental scheme that uses a single SOA in a loop to emulate the propagation of pulse through multiple cascaded SOAs.
Pesala
Bala
B
Sedgwick
Forrest
F
Uskov
Alexander V
AV
Chang-Hasnain
Connie
C