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Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing
Published on: December 3, 2013
Electromagnetically-induced transparency and slow light in GaAs/AlGaAs multiple quantum wells in a transient regime
Seong-Min Ma1, Hua Xu, Byoung Seung Ham
1Center for Photon Information Processing, Graduate School of Information and Telecommunications, Inha University, Incheon 402-751, South Korea.
Abstract:
Electromagnetically-induced transparency (EIT) is observed and analyzed for the group velocity of a femtosecond light pulse interacting with GaAs/AlGaAs multiple quantum wells (MQWs) in a transient regime. The calculated slowdown factor of the group velocity inside the medium due to the dynamic refractive index change is approximately 2.10 x 10(3). We discuss the potential of EIT-induced slow light in GaAs/AlGaAs MQWs for ultrafast (approximately 210 GHz) all-optical information processing such as photon routing.

