Enhanced intersubband absorption in stepped double barrier quantum wells

K. T. Lai; S. K. Haywood; R. Gupta; M. Missous

doi:10.1049/el:20020261

Enhanced intersubband absorption in stepped double barrier quantum wells

K. T. Lai, S. K. Haywood, R. Gupta, M. Missous

The University of Hull

Research output: Contribution to journal › Article › peer-review

Abstract

Intersubband absorption is measured in the conduction band of GaAs and stepped GaAs/In_xGa_1-xAs multiple-quantum-wells confined by narrow AlAs barriers. Enhanced absorption from n = 1 to n = 2 is observed in the stepped wells. This is attributed to relaxation of the intersubband polarisation selection rule.

Original language	English
Pages (from-to)	529-530
Number of pages	2
Journal	Electronics Letters
Volume	38
Issue number	11
DOIs	https://doi.org/10.1049/el:20020261
Publication status	Published - 23 May 2002

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title = "Enhanced intersubband absorption in stepped double barrier quantum wells",

abstract = "Intersubband absorption is measured in the conduction band of GaAs and stepped GaAs/InxGa1-xAs multiple-quantum-wells confined by narrow AlAs barriers. Enhanced absorption from n = 1 to n = 2 is observed in the stepped wells. This is attributed to relaxation of the intersubband polarisation selection rule.",

author = "Lai, {K. T.} and Haywood, {S. K.} and R. Gupta and M. Missous",

year = "2002",

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AU - Haywood, S. K.

AU - Gupta, R.

AU - Missous, M.

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Y1 - 2002/5/23

N2 - Intersubband absorption is measured in the conduction band of GaAs and stepped GaAs/InxGa1-xAs multiple-quantum-wells confined by narrow AlAs barriers. Enhanced absorption from n = 1 to n = 2 is observed in the stepped wells. This is attributed to relaxation of the intersubband polarisation selection rule.

AB - Intersubband absorption is measured in the conduction band of GaAs and stepped GaAs/InxGa1-xAs multiple-quantum-wells confined by narrow AlAs barriers. Enhanced absorption from n = 1 to n = 2 is observed in the stepped wells. This is attributed to relaxation of the intersubband polarisation selection rule.

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VL - 38

SP - 529

EP - 530

JO - Electronics Letters

JF - Electronics Letters

IS - 11

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Enhanced intersubband absorption in stepped double barrier quantum wells

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