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Effect of Doped Barrier on Performance of GaAsSb/InGaAs QW Heterostructure
Sandhya Kattayat;A. M. Quraishi;Kajal Kumawat;Smitha Josey;Parvez Ahmad Alvi;A. K. Singh
2024 Advances in Science and Engineering Technology International Conferences (ASET)
Year: 2024 | Conference Paper |
In this article, we report the effect of p- type doped barrier on the absorption spectra of type-II asymmetric-heterostructure constituted of InGaAs and GaAsSb layers which contains the double quantum wells (DQWs). The effect has been studied on the band alignment, wavefunctions, energy states and finally optical absorption spectra. The absorption spectra have also been compared for the structures...Show More
Optical gain gradient under electric field on GaAsSb/InAs heterostructure
Sandhya Kattayat;A. M. Quraishi;Kuldeep Kumar;Smitha Josey;Parvez Ahmad Alvi;Syed Firoz Haider
2023 Advances in Science and Engineering Technology International Conferences (ASET)
Year: 2023 | Conference Paper |
This article reports the change in band alignment and gradient of optical characteristics (i.e. gradient of optical gain and transition wavelength) of the type-II GaAsSb/InAs/AlSb W-shaped – heterostructure having double quantum wells (DQWs) under applied dc electric field. The quantum wells width was kept as ~ 20 nm. The range of applied electric field was kept from 20 kV/cm to 100 kV/cm. In resu...Show More
Gradient of optical gain with uni-axial and bi-axial pressure on GaAsSb/InAs/AlSb QW heterostructure
Syed Firoz Haider;Sandhya Kattayat;Rakesh Kumar Sharma;Smitha Josey;Parvez Ahmad Alvi
2022 5th International Conference on Multimedia, Signal Processing and Communication Technologies (IMPACT)
Year: 2022 | Conference Paper |
For the type-II GaAsSb/InAs/AlSb W-shaped quantum well (QW)-heterostructure having total width ~ 20 nm, the optical gain characteristics have been investigated under high pressure oriented in (100), (001) and (110) directions. The range of pressure applied was kept for 1 GPa to 3 Gpa. The outcomes of the work done have been summarized in terms of gradient of the optical gain with uni-axial and bi-...Show More
An Investigation Of Application Of Mathematics Review To Improve Problem Solving Skills And Active Learning Of Engineering Students In Physics Applied to Engineering Education
2020 Advances in Science and Engineering Technology International Conferences (ASET)
Year: 2020 | Conference Paper |
Mathematics is the soul of physics. They complement each other and are inseparable. Attired expertise of mathematics is an essential component in intuitive and active problem solving in physics. This study explores the extent up to which the mathematical competence supports the learners in improving their Problem-Based Learning Skills. In addition this study investigated student's active learning ...Show More
Improving Students Conceptual Understanding Of Calculus Based Physics Using Problem Based Learning Approach On An E-Learning Platform Applied To Engineering Education
2019 Advances in Science and Engineering Technology International Conferences (ASET)
Year: 2019 | Conference Paper |
Cited by: Papers (2)
Successful engineers are self-directed critical thinkers who are creative and analytical in their approach. They are good problem solvers and possess lifelong learning skills. Many students spend time to study but not the quality time in studying. One of the subject, which is most affected by this, is Physics as it involves more cognitive exercise. This is evident in areas related to calculus base...Show More
Implementation of digital platform in teaching physics concepts applied to engineering education and student's performance: An exploratory study
2018 Advances in Science and Engineering Technology International Conferences (ASET)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
Digital technology and e learning have high impact in the field of education. This quasi-experimental study focusses the effectiveness of inclusion of digital components in physics instruction applied to engineering education. The methodology involved in this study focus analysis of post-test scores using statistical techniques such as t-test and collecting student's opinion using standardized que...Show More
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