Journal Pre-proof External quantum efﬁciency of a resonant tunneling diode photo detector: Structural parameters and wavelength dependencies Mohammad Ahmadzadeh, Abbas Ghadimi, Seyed Ali Sedigh Ziabari PII: S0030-4026(20)31101-3 DOI: https://doi.org/10.1016/j.ijleo.2020.165265 Reference: IJLEO 165265 To appear in: Optik Received Date: 24 April 2020 Accepted Date: 16 July 2020 Please cite this article as: Ahmadzadeh M, Ghadimi A, Sedigh Ziabari SA, External quantum efﬁciency of a resonant tunneling diode photo detector: Structural parameters and wavelength dependencies, Optik (2020), doi: https://doi.org/10.1016/j.ijleo.2020.165265 This is a PDF ﬁle of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the deﬁnitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its ﬁnal form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier.