中国物理B ›› 2016, Vol. 25 ›› Issue (5): 54208-054208.doi: 10.1088/1674-1056/25/5/054208

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇    下一篇

Optical bistability and multistability in a defect slab doped by GaAs/AlGaAs multiple quantum wells

Seyyed Hossein Asadpour, G Solookinejad, M Panahi, E Ahmadi Sangachin   

  1. Department of Physics, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran
  • 收稿日期:2015-10-25 修回日期:2015-12-06 出版日期:2016-05-05 发布日期:2016-05-05
  • 通讯作者: Seyyed Hossein Asadpour E-mail:S.Hosein.Asadpour@gmail.com

Optical bistability and multistability in a defect slab doped by GaAs/AlGaAs multiple quantum wells

Seyyed Hossein Asadpour, G Solookinejad, M Panahi, E Ahmadi Sangachin   

  1. Department of Physics, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran
  • Received:2015-10-25 Revised:2015-12-06 Online:2016-05-05 Published:2016-05-05
  • Contact: Seyyed Hossein Asadpour E-mail:S.Hosein.Asadpour@gmail.com

摘要:

We proposed a new model for controlling the optical bistability (OB) and optical multistability (OM) in a defect slab doped with four-level GaAs/AlGaAs multiple quantum wells with 15 periods of 17.5 nm GaAs wells and 15-nm Al0.3 Ga0.7As barriers. The effects of biexciton energy renormalization, exciton spin relaxation, and thickness of the slab on the OB and OM properties of the defect slab were theoretically investigated. We found that the transition from OB to OM or vice versa is possible by adjusting the controllable parameters in a lab. Moreover, the transmission, reflection, and absorption properties of the weak probe light through the slab were also discussed in detail.

关键词: optical bistability, optical multistability, quantum well nanostructure

Abstract:

We proposed a new model for controlling the optical bistability (OB) and optical multistability (OM) in a defect slab doped with four-level GaAs/AlGaAs multiple quantum wells with 15 periods of 17.5 nm GaAs wells and 15-nm Al0.3 Ga0.7As barriers. The effects of biexciton energy renormalization, exciton spin relaxation, and thickness of the slab on the OB and OM properties of the defect slab were theoretically investigated. We found that the transition from OB to OM or vice versa is possible by adjusting the controllable parameters in a lab. Moreover, the transmission, reflection, and absorption properties of the weak probe light through the slab were also discussed in detail.

Key words: optical bistability, optical multistability, quantum well nanostructure

中图分类号:  (Quantum optics)

  • 42.50.-p
42.65.Pc (Optical bistability, multistability, and switching, including local field effects)