Near-infrared laser pumped intersubband THz laser gain in InGaAs–AlAsSb–InP quantum wells

@inproceedings{Liu2000NearinfraredLP,
  title={Near-infrared laser pumped intersubband THz laser gain in InGaAs–AlAsSb–InP quantum wells},
  author={Ansheng Liu and Cun-zheng Ning},
  year={2000}
}
  • Ansheng Liu, Cun-zheng Ning
  • Published 2000
  • Physics
  • We investigate the possibility of using InGaAs–AlAsSb–InP coupled quantum wells to generate THz radiation by means of intersubband optical pumping. We show that large conduction band offsets of these quantum wells make it possible to use conventional near-infrared diode lasers around 1.55 μm as pump sources. Taking into account the pump–probe coherent interaction and the optical nonlinearity for the pump field, we calculate the THz gain of the quantum well structure. We show that resonant Raman… CONTINUE READING

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