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Advances in Optical Science and Engineering pp 433–438Cite as

Oscillator Strength of Gaussian Double Quantum Well for Intersubband Transition

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Abstract

Oscillator strength and absorption cross-section of Double quantum well triple barrier structure with Gaussian geometry is analytically computed for intersubband optical transition between ground state and first excited state. Electric field is applied along quantum confinement, and Kane-type conduction band nonparabolicity of first order is considered for near accurate computation. Result suggests that oscillator strength monotonically increases with wavelength, and is higher when nonparabolicity factor is considered. Cross-section is higher for lower well dimension. Result is also compared with parabolic overestimation. Simulated findings are important for designing optical detector.

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Authors and Affiliations

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

    Debasmita Sarkar & Arpan Deyasi

Authors
  1. Debasmita Sarkar
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  2. Arpan Deyasi
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Correspondence to Debasmita Sarkar .

Editor information

Editors and Affiliations

  1. Research and Development Cell, University of Engineering & Management, Kolkata, West Bengal, India

    Indrani Bhattacharya

  2. University of Engineering & Management, Kolkata, West Bengal, India

    Satyajit Chakrabarti

  3. School of Engineering, London South Bank University, London, United Kingdom

    Haricharan Singh Reehal

  4. Optometry (Vision Science), Physics, Electrical and Computer Engineering and Systems Design Engineering, University of Waterloo, Waterloo, Ontario, Canada

    Vasudevan Lakshminarayanan

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© 2017 Springer Nature Singapore Pte Ltd.

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Sarkar, D., Deyasi, A. (2017). Oscillator Strength of Gaussian Double Quantum Well for Intersubband Transition. In: Bhattacharya, I., Chakrabarti, S., Reehal, H., Lakshminarayanan, V. (eds) Advances in Optical Science and Engineering. Springer Proceedings in Physics, vol 194. Springer, Singapore. https://doi.org/10.1007/978-981-10-3908-9_53

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  • DOI: https://doi.org/10.1007/978-981-10-3908-9_53

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-3907-2

  • Online ISBN: 978-981-10-3908-9

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