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Ravindra Kumar
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Study on inter band and inter sub-band optical transitions with varying InAs/InGaAs sub-monolayer quantum dot heterostructure stacks grown by molecular beam epitaxy
SR Shriram, R Kumar, D Panda, J Saha, B Tongbram, MR Mantri, SA Gazi, ...
IEEE Transactions on Nanotechnology 19, 601-608, 2020
102020
Impact of digital alloy capping layers on bilayer InAs quantum dot heterostructures
R Kumar, J Saha, S Chakrabarti
IEEE Transactions on Nanotechnology 19, 368-374, 2020
102020
Ameliorating the optical and structural properties of InAs quantum dot heterostructures through digital alloy capping materials: Theory and experiment
R Kumar, J Saha, D Panda, R Kumar, SA Gazi, R Gourishetty, ...
Optical Materials 108, 110419, 2020
92020
The Role and Growth of Strain – Reducing Layer by Molecular - Beam Epitaxy in a Multi – Stack InAs/(In,Ga)As Sub - Monolayer Quantum Dot Heterostructure
SR Shriram, D Panda, R Kumar, J Saha, B Tongbram, MR Mantri, SA Gazi, ...
Optical Materials 114 (110817), 9, 2021
82021
In-Situ Tailoring of Vertically Coupled InAs pip Quantum-Dot Infrared Photodetectors: Toward Homogeneous Dot Size Distribution and Minimization of In–Ga Intermixing
S Dongre, S Paul, S Mondal, R Kumar, D Panda, SA Gazi, D Das, ...
ACS Applied Electronic Materials 2 (5), 1243-1253, 2020
72020
A comparative analysis of analog and digital alloy technique of InxGa1-xAs capping material on InAs quantum dot heterostructures
R Kumar, J Saha, S Chakrabarti
Nanophotonics VIII 11345, 310-316, 2020
72020
Bilayer self-assembled InAs QD using digital alloy capping layer approach: experiment and theory
R Kumar, J Saha, D Panda, R Kumar, SA Gazi, R Gourishetty, ...
Low-Dimensional Materials and Devices 2020 11465, 85-94, 2020
62020
Performance analysis of dynamic CMOS circuit based on node‐discharger and twist‐connected transistors
D Vaithiyanathan, R Kumar, A Rai, K Sharma
IET Computers & Digital Techniques 14 (3), 107-113, 2020
62020
Novel approach for augmented carrier transfer and reduced Fermi level pinning effect in InAs surface quantum dots
D Panda, MR Mantri, R Kumar, D Das, R Saha, S Chakrabarti
Applied Surface Science 607, 154948, 2023
42023
Variation of In-concentration in barrier material of SK on SML quantum dot heterostructures and its impact on the strain and emission wavelength
R Kumar, J Saha, S Chakrabarti
Physics and Simulation of Optoelectronic Devices XXIX 11680, 218-224, 2021
42021
A comparative study of analog and digital alloy technique of InxGa1-xAs well material on InAs/InGaAs DWELL heterostructures
R Kumar, J Saha, S Chakrabarti
Low-Dimensional Materials and Devices 2020 11465, 95-103, 2020
42020
Influence of InGaAs matrix thickness on the optical properties and strain distribution in self-assembled sub-monolayer InAs quantum dot heterostructures
SR Shriram, R Kumar, SA Gazi, J Saha, D Panda, A Mandal, ...
Nanophotonics VIII 11345, 287-293, 2020
32020
Strain minimization of InAs QDs heterostructures using dual quaternary-ternary/ternary-quaternary capping materials via digital alloy capping layer approach
R Kumar, J Saha, S Chakrabarti
IEEE Transactions on Nanotechnology 21, 489-498, 2022
22022
A comparative study of analog, digital, and linear alloy technique on the strain and optical properties of symmetrical InGaAs/InAs/InGaAs quantum dot-in-a-well (DWELL …
A Kumar, R Kumar, S Prabhu, S Chakrabarti
Photonic and Phononic Properties of Engineered Nanostructures XII 12010, 70-76, 2022
22022
Improved structural and optical behaviour of InAs Stranski-Krastanov (SK) quantum dot heterostructures using analog, digital, and linear alloy techniques
A Kumar, S Prabhu, R Kumar, S Chakrabarti
Physics and Simulation of Optoelectronic Devices XXX 11995, 157-164, 2022
22022
Effect of GaAs1-xNx capping layer on the strain profile and emission PL wavelength of InAs quantum dot heterostructures using digital alloy approach
R Kumar, J Saha, S Chakrabarti
Quantum Optics and Photon Counting 2021 11771, 136-142, 2021
22021
Effect of variation in Sb composition in In0. 18Ga0. 82AsYSb1-Y capping layer on InAs Stranski-Krastanov (SK) QDs in strain coupled Stranski-Krastanov (SK) on submonolayer (SML …
S Choudhary, R Kumar, S Chakrabarti
Low-Dimensional Materials and Devices 2021 11800, 67-73, 2021
12021
Study on optical properties and strain distribution of InAs/InGaAs sub-monolayer quantum dot heterostructure with multiple stacking layers
SR Shriram, SA Gazi, R Kumar, J Saha, D Panda, A Mandal, ...
Nanophotonics VIII 11345, 294-301, 2020
12020
Investigation of strain propagation, optical, and structural properties of a novel heterostructure with multilayer Stranski-Krastanov (SK) strain-coupled quantum dots (QDs)
R Saha, FSA Sabiha, R Gourishetty, R Kumar, A Nath, S Chakrabarti
Physics and Simulation of Optoelectronic Devices XXXII 12880, 243-249, 2024
2024
Investigation of strain profile and band-alignment study in InAs/GaAsSb quantum dot heterostructure with varying Sb content
FSA Sabiha, R Kumar, R Gourishetty, R Saha, MR Mantri, A Kumar, ...
Infrared Sensors, Devices, and Applications XIII 12687, 147-154, 2023
2023
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