Dr. Harshvardhan Kumar

Employment

• The LNM Institute of Information Technology Assistant Professor
  2021 - Present
• National Chung Cheng University Postdoctoral Research Fellow
  2020 - 2021
• National Institute of Technology Delhi Junior Research Fellow
  2017 - 2020

Education

• National Institute of Technology Delhi PhD
  2018 - 2020
• Shri Sant Gajanan Maharaj College of Engineering Master of Engineering
  2015 - 2017
• Priyadarshini Institute of Engineering and Technology Bachelor of Engineering
  2010 - 2014

Projects & Funding

Projects & funding information is unavailable.

Publications (50)

• A Novel n +/ i -Well Dot Ge1− x Sn x -on-Si Single-Photon Avalanche Photodiode for High-Fill-Factor Room-Temperature Quantum Applications
  IEEE Transactions on Quantum Engineering 2026 DOI: 10.1109/TQE.2026.3696722
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• Surface-emitting LEDs on a Si substrate employing Ge1−xSnx/Ge multiple quantum wells with compositional fluctuation effects for enhanced light emission at the 2 µm band
  Journal of the Optical Society of America B 2026 DOI: 10.1364/JOSAB.603027
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• Optimized Optical Waveguide-based Terahertz Sensors Utilizing Ge-on-Si Thin-Film for Gas Sensing Applications
  Journal of Lightwave Technology 2026 DOI: 10.1109/JLT.2026.3724214
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• Chip-scale Ge1-xSnx-based uniform cross-slot optical waveguide sensors for methane detection in the mid-infrared region
  Journal of the Optical Society of America B 2025 DOI: 10.1364/JOSAB.565226
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• Ge/GeSn p-n-i-p heterojunction phototransistor for short-wave infrared applications
  Optics Express 2025 DOI: 10.1364/OE.572623
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• Improved Performance of Near-Infrared $\bf{S}{{\bf{i}}_{1 - x}}\bf{S}{{\bf{n}}_x}/\text{Si}$ Metal-Oxide- Semiconductor Field-Effect Phototransistors by Utilizing the Grating-Gate
  IEEE Sensors Letters 2025 DOI: 10.1109/LSENS.2025.3582507
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• High-Performance Si1−xSnx/Si Avalanche Photodiode on Si Platform at Room Temperature
  Journal of Electronic Materials 2025 DOI: 10.1007/s11664-025-11885-9
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• On-Chip $\mathbf{G}{{\mathbf{e}}_{1 - {\bm{x}}}}\mathbf{S}{{\mathbf{n}}_{\bm{x}}}$ Slot Optical Waveguides-Based Highly Sensitive Mid-Infrared Biochemical Sensors for Room Temperature Applications
  IEEE Sensors Letters 2025 DOI: 10.1109/LSENS.2025.3563778
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• Resonant-cavity-enhanced Ge/Ge1− xSnx metal-semiconductor-metal photodetector for 2 μm-band applications
  Semiconductor Science and Technology 2025 DOI: 10.1088/1361-6641/ad9f9f
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• High-Responsivity Waveguide-Integrated ${{\mathbf{G}{{\mathbf{e}}_{1 - {\bm{x}}}}\mathbf{S}{{\mathbf{n}}_{\bm{x}}}}}/{{\mathbf{Ge}}}$-Based p-i-n Photodetectors on Silicon Platform for Short-Wave Infrared Applications
  IEEE Sensors Letters 2025 DOI: 10.1109/LSENS.2024.3512942
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