Raghvendra Saxena | Microelectronics | Best Researcher Award

Dr. Raghvendra Saxena | Microelectronics | Best Researcher Award

Solid State physics Laboratory (DRDO) | India

Dr. Raghvendra Sahai Saxena is a distinguished scientist in the field of semiconductor devices and infrared detector technology. He has made remarkable contributions to the development of indigenous IR detectors for defense applications, achieving significant milestones in short-wave, mid-wave, and long-wave infrared bands. His work has enabled the demonstration of complete IR imaging and video systems based on technologies developed within India. Alongside his contributions to defense technology, he has also advanced research in power semiconductor devices, particularly trench gate power MOSFETs for energy-efficient applications. His career reflects a blend of technical expertise, impactful research, and national service.

Professional Profiles

Google Scholar | Scopus

Education

Dr. Saxena pursued his higher education in electronics and microelectronics at leading institutions in India. He acquired a strong foundation in engineering, which was further enhanced through advanced studies in microelectronics and semiconductor devices. His doctoral research focused on the design and development of advanced semiconductor technologies, combining theoretical knowledge with practical application. His academic journey has provided him with a comprehensive understanding of electronic circuits, semiconductor physics, device modeling, and fabrication techniques. This educational background laid the groundwork for his future innovations in IR detector technologies and power MOSFET design, enabling him to make significant scientific and technological contributions.

Professional Experience

Dr. Saxena has been serving as a senior scientist at the Solid State Physics Laboratory under the Defence Research and Development Organisation. His professional career has been dedicated to the design and development of advanced semiconductor devices, with a special focus on infrared detector technology for defense applications. He has successfully led and completed multiple projects on IR focal plane arrays, MEMS-based microbolometers, and CCD multiplexers. His leadership in collaborative programs with national research and industry partners has contributed to the growth of indigenous defense technology. In parallel, he has advanced power device design, strengthening India’s electronics research landscape.

Awards and Recognition

Dr. Saxena has received multiple awards recognizing his outstanding contributions to research and innovation. He has been honored with medals and technology group awards from premier defense organizations for his groundbreaking work in IR detector technology. His achievements have also been acknowledged through prestigious recognitions by scientific and professional bodies, reflecting the impact of his research on national security and technological advancement. His efforts in advancing indigenous capabilities have earned him appreciation from both scientific communities and defense establishments. These awards highlight his consistent dedication to excellence, innovation, and leadership in the field of semiconductor device development and applications.

Research Skills

Dr. Saxena possesses expertise in semiconductor device design, fabrication, and characterization. His core research skills lie in developing infrared detector arrays across short-wave, mid-wave, and long-wave bands, essential for advanced imaging technologies. He has demonstrated excellence in power MOSFET design, focusing on high-performance and energy-efficient devices for diverse applications. His work spans simulation, modeling, and practical prototyping, ensuring a holistic approach to research. He has published extensively in reputed journals and conferences, showcasing his technical depth. His collaborative research experience with laboratories and industries has further strengthened his ability to translate theoretical advancements into impactful technological solutions.

Notable Publications

Uncooled infrared microbolometer arrays and their characterisation techniques
Author: RK Bhan, RS Saxena, CR Jalwania, SK Lomash
Journal: Defence Science Journal 59 (6), 580-589
Year: 2009
Citations: 170

Nanotube tunneling FET with a core source for ultrasteep subthreshold swing: A simulation study
Author: G Musalgaonkar, S Sahay, RS Saxena, MJ Kumar
Journal: IEEE Transactions on Electron Devices 66 (10), 4425-4432
Year: 2019
Citations: 74

Title: A new discrete circuit for readout of resistive sensor arrays
Author: RS Saxena, RK Bhan, A Aggrawal
Journal: Sensors and Actuators A: Physical 149 (1), 93-99
Year: 2009
Citations: 66

Virtual ground technique for crosstalk suppression in networked resistive sensors
Author: RS Saxena, RK Bhan, NK Saini, R Muralidharan
Journal: IEEE Sensors Journal 11 (2), 432-433
Year: 2010
Citations: 64

A line tunneling field-effect transistor based on misaligned core–shell gate architecture in emerging nanotube FETs
Author: G Musalgaonkar, S Sahay, RS Saxena, MJ Kumar
Journal: IEEE Transactions on Electron Devices 66 (6), 2809-2816
Year: 2019
Citations: 56

Conclusion

Dr. Saxena’s career exemplifies the integration of academic excellence, technological innovation, and national service. His contributions have advanced India’s capabilities in semiconductor device technologies, particularly in the defense domain. Through his leadership, multiple indigenous solutions in infrared imaging systems have been developed, directly strengthening strategic applications. His parallel work in power semiconductor devices further broadens his research footprint, impacting civilian and industrial applications. With numerous publications, editorial responsibilities, and collaborations, he continues to shape scientific progress in his field. Dr. Saxena stands as a role model for scientists aspiring to combine rigorous research with meaningful national contributions.

Hemadri Bandhu | Optical materials | Best Researcher Award

Ms. Hemadri Bandhu | Optical materials | Best Researcher Award

Indian Institute of Technology Kanpur, India

Author Profile

🎓 EARLY ACADEMIC PURSUITS

Ms. Hemadri Bandhu’s academic foundation reflects an exceptional trajectory in science and technology. She excelled from her early schooling years, securing:

  • Class X (2014): CGPA of 10 from Kendriya Vidyalaya No.2 AFS Tezpur

  • Class XII (2016): 94% from Sri Chaitanya Techno School, Visakhapatnam

Her passion for electronics and innovation led her to pursue:

  • B.Tech in Electronics and Communication Engineering from NIT Srinagar (2020) — Graduated with a CGPA of 8.72/10, standing 2nd in her batch.

🏢 PROFESSIONAL ENDEAVORS

Currently positioned as a Research Scholar at the Semiconductor Devices Lab, IIT Kanpur, Ms. Bandhu has been active in:

  • Lithography-free fabrication techniques using Direct Laser Writing (DLW)

  • Development and demonstration of oxide-based electronic and optical devices

She has also completed her M.Tech and is pursuing a Ph.D. in Microelectronics and VLSI, with a CGPA of 8.79/10.

📚 CONTRIBUTIONS AND RESEARCH FOCUS ON OPTICAL MATERIALS

Ms. Hemadri Bandhu’s research focuses on advanced optical materials with specialization in phase-change materials like Vanadium Dioxide (VO₂) and transparent conductive oxides such as ITO. She has pioneered lithography-free direct laser writing techniques for fabricating reconfigurable optical and electronic devices.

Her work on infrared (IR) emissivity tuning using unpatterned ITO thin films and VO₂-based IR patterns contributes significantly to adaptive IR applications, including thermal camouflage, smart windows, and wearable sensors.

She is skilled in thin film fabrication, infrared imaging, and optical characterization, with multiple high-impact publications in ACS Applied Optical Materials, Optical Materials, and Optics & Laser Technology.

🏅 Accolades and Recognition

  • Junior Research Fellowship (2020) – Awarded by MoE, Govt. of India

  • Academic Excellence (2016–2020) – Ranked 2nd in the ECE batch at NIT Srinagar

🌍 IMPACT AND INFLUENCE

Ms. Bandhu’s work in oxide material tuning for IR devices addresses next-gen adaptive electronics, thermal camouflage, and smart photonic systems. Her contributions are poised to influence:

  • Green electronics

  • Neuromorphic computing

  • Optoelectronic devices

  • Future bio-integrated sensors and wearable health monitors

🧭 LEGACY AND FUTURE CONTRIBUTIONS

Ms. Hemadri Bandhu is carving a niche in direct-write nanofabrication and oxide-phase manipulation for reconfigurable technologies. Her interdisciplinary skills could:

  • Bridge electronics with biotechnology

  • Advance on-chip tunable IR detectors

  • Contribute to biosensing platforms and DNA detection through optical modulation

 ✅CONCLUSION

Ms. Hemadri Bandhu stands as a promising materials scientist and semiconductor researcher with a vision aligned toward reconfigurable, lithography-free devices. Her contributions are not only advancing material sciences but also paving pathways for next-gen flexible and adaptive systems.

 🔬NOTABLE PUBLICATION:

Title: Lithography-free fabrication of Vanadium Dioxide and its devices using direct laser writing
Authors: H. Bandhu, P. Ashok, D.P. Khandapu, A. Verma
Journal: Optics & Laser Technology
Year: 2023

Title: Active and passive infrared emittance tuning using optically transparent unpatterned ITO thin films
Authors: H. Bandhu, P. Ashok, A. Verma
Journal: Optical Materials
Year: 2024

Title: Reconfigurable Infrared (IR) Emissivity of VO₂ Patterns Fabricated via Maskless Laser Writing for Adaptive IR Applications
Authors: H. Bandhu, A. Verma
Journal: ACS Applied Optical Materials
Year: 2025

Title: Transparent Metamaterial Absorber Fabrication by Pulsed-DC Magnetron Sputtering
Authors: S. Bhattacharya, H. Bandhu, A. Verma, J. Ramkumar, K.V. Srivastava
Journal: 2023 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON)
Year: 2023