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Advances in Optical Science and Engineering pp 629–635Cite as

Oscillator Strength and Absorption Cross-section of Core-Shell Triangular Quantum Wire for Intersubband Transition

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Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 166))

Abstract

Oscillator strength and absorption cross-section of core-shell triangular quantum wire is computed for intersubband optical transition between ground state and first excited state. Kane type band nonparabolicity of first order is considered to study the shift of cross-section peak with incident radiation, and also of the oscillator strength with structural parameters. Results are compared with that obtained from parabolic overestimation. Results show that both oscillator strength and peak magnitude of absorption cross-section decreases with increasing dimension, and the rate is significant when nonparabolic dispersion relation is taken into account. Findings are important for designing optical emitter/detector using core-shell triangular quantum wire.

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Author information

Authors and Affiliations

  1. Electronics and Communication Engineering, RCC Institute of Information Technology, Kolkata, 700015, India

    Arpan Deyasi

  2. Institute of Radio Physics and Electronics, University of Calcutta, Kolkata, 700009, India

    N. R. Das

Authors
  1. Arpan Deyasi
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  2. N. R. Das
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Correspondence to Arpan Deyasi .

Editor information

Editors and Affiliations

  1. Physics and Electrical and Computer Engineering, University of Waterloo, Waterloo, Ontario, Canada

    Vasudevan Lakshminarayanan

  2. Engineering Physics and Electronics and Communication Engineering, Institute of Engineering and Management, Kolkata, West Bengal, India

    Indrani Bhattacharya

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Deyasi, A., Das, N.R. (2015). Oscillator Strength and Absorption Cross-section of Core-Shell Triangular Quantum Wire for Intersubband Transition. In: Lakshminarayanan, V., Bhattacharya, I. (eds) Advances in Optical Science and Engineering. Springer Proceedings in Physics, vol 166. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2367-2_78

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