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- Advancements in Optical Technologies: Paper by Dr Devdutt Tripathi November 26, 2024
This research paper titled, “Continuously-tunable, compact, freespace notch-filter design using an all-dielectric metagrating capped with a low-loss phase change material” by Dr Devdutt Tripathi, Assistant Professor, Department Electronics and Communication Engineering explores the use of active metasurfaces combined with phase change materials (PCMs) to enhance optical technologies thereby enhancing optical technologies across various sectors including telecommunications and imaging sectors.Abstract:
Active metasurfaces utilising phase change materials (PCMs) are currently under investigation for applications in free-space optical communication, optical signal processing, neuromorphic photonics, quantum photonics, and compact LiDAR. Attention has now turned towards novel PCM like Sb2S3 which exhibit lower optical absorption and reasonable values of refractive-index contrast in comparison to traditional data-storage PCM. We propose and numerically study the class of all-dielectric metagratings capped with low-loss PCM and predict the possibility of continuously tunable resonances whose quality factors degrade gracefully during the amorphous-to-crystalline phase transition of the PCM. Specifically, we consider the CMOS-compatible silicon-nitride on silica substrate material platform for simple and asymmetric metagratings (in particular, the symmetric-broken dimerization) and Sb2S3 capping. Our numerical study predicts that notch-filters operating around the 1550 nm NIR wavelength window can be achieved with tuning range of over 76 nm with Q-factors ranging from 784 (amorphous-phase) to 510 (crystalline-phase) (a degradation in Q of about 35%) and insertion loss of about 0.9 dB. These performance figures are a significant improvement over previously published designs utilizing data-storage PCMs and other traditional notch-filter mechanisms. We examine the influence of grating dimerization and geometrical parameters on performance metrics of the notch-filter and predict the possibility to trade-off rejection-band and in-band spectral transmission properties. Lastly, we perform a study of an all-optical phase change mechanism. Our study is promising for the miniaturization of tunable notch-filter based optical systems.
Explanation in Layperson’s Terms:
This research explores the use of advanced materials called metasurfaces (engineered materials especially in a 2D thin film structure), combined with phase change materials (PCMs- Semiconducting alloys of the Chalcogen family), for improving already existing and emergent technologies such as Optical communication, LiDAR (an acronym for Light Detection and Ranging), and Quantum photonics. Metasurfaces are thin layers with typical thickness ranging from a few hundred nanometers to several micrometers that can manipulate light in unique ways. In this study, the focus is on a specific PCM, Antimony Trisulphide (Sb2S3), which exhibits lower light absorption and better control over how it interacts with the incident light compared to traditional PCMs such as GST225 (Germanium Antimony Telluride) used in data storage. We propose a new design of metasurfaces, called metagratings, that can be “tuned” by changing the state of the PCM between amorphous and crystalline forms. The study predicts that these metasurfaces can be used to create notch filters, which block specific wavelengths of light, particularly around the 1550 nm range commonly used in fiber optics. When the PCM switches states, the filter can shift by 76 nm, with only a minor decrease in performance, about 35%. The study also looks at how small changes in the shape and structure of the metagratings can fine-tune their performance, allowing for a balance between filtering strength and light transmission. Overall, this research points to a promising way of miniaturizing and improving tunable optical filters for a range of high-tech applications.
Practical Implications:
This research has several practical implications:
1. Optical Communication: It can improve free-space optical
communication by offering tunable filters to enhance signal clarity and reduce interference.
2. Miniaturized LiDAR: Smaller, more efficient LiDAR systems for autonomous vehicles and 3D mapping can be developed.
3. Optical Signal Processing: Faster, more efficient photonic circuits could be created for data processing and telecommunications.
4. Neuromorphic and Quantum Photonics: The tunable metasurfaces can support advanced computing and quantum technologies by precisely controlling light.
5. Energy Efficiency: Sb₂S₃ uses less power than traditional materials, making devices more energy-efficient.
6. Sensing and Imaging: It can improve sensors and imaging systems by allowing more precise wavelength control.
7. CMOS Compatibility: The research can be integrated into existing semiconductor technologies, facilitating mass production.
Collaborators:
1. Prof. Hardik S. Vyas: Assistant Professor in Department of ICT, PDEU, Gandhinagar, Gujarat.
2. Prof. Ravi S Hegde, Associate Professor in Department of Electrical Engineering, IIT Gandhinagar, Gujarat.
Future Research Plans:
Research in Metasurface can be explored towards various applications such as imaging, microscopy as well as communication.
Article Link:https://iopscience.iop.org/article/10.1088/2040-8986/ad80a6
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- SecureX Hackathon: Students Shine at the Cybersecurity Codefest November 26, 2024
The Cybersecurity Hackathon “Crack the Code & Secure the Future”, held at SRM University-AP in collaboration with BSI Learning on November 23-24, 2024, marked a significant achievement, bringing together students, professionals, and experts in the field to tackle real-time cybersecurity challenges. The event provided participants with hands-on expertise and the opportunity to design innovative solutions aimed at addressing the growing concerns in the field of cybersecurity.
The hackathon opened with an inspiring speech by the Dean of Research Prof. Ranjit Thapa, who emphasised the university’s dedication to fostering innovation and research from the very beginning of a student’s academic journey. He highlighted the importance of the event, stating that all participants would receive certificates of appreciation, reinforcing the university’s commitment to recognising and motivating talent.
Mr Vipul Rastogi, the keynote speaker, expressed his admiration for SRM University-AP, particularly impressed by the institution’s provision of seed funding for undergraduate students, something he had not encountered elsewhere. Mr Vipul, a seasoned cybersecurity expert, stressed the growing demand for cybersecurity professionals, citing that 40% of cybersecurity positions remain vacant due to the rapidly expanding threat landscape.
Mr Chris Chan, the Cybersecurity Education Lead and Consultant at BSI Learning, Australia, provided valuable insights into the intricacies of cybersecurity, including areas such as penetration testing, cloud security, governance, risk, and compliance. Mr Chan also elaborated on the importance of user education, vulnerability management, and organisational resilience in mitigating cybersecurity risks.
Participants, divided into 22 teams with 81 members, were challenged to design and implement innovative solutions addressing one of the following key cybersecurity areas: Prevention and User Education, Detection and Monitoring, Response and Mitigation and Policy Compliance and Business Continuity.
The event focused on fostering a collaborative environment where participants could experiment, innovate, and deliver real-time solutions to cybersecurity problems. Team Tech Blazers won the first prize of 800 AUD, while Team Secure Ops and Team Soul Society won the second and third place of 500 AUD and 200 AUD respectively. All teams contributed actively to providing outstanding solutions, adding a competitive yet educational aspect to the hackathon.
The event concluded with a vote of thanks to Vipul Rastogi, Chris Chan, and all participants for their valuable contributions. The Cybersecurity Hackathon was a resounding success, showcasing the power of collaboration, innovation, and secure solutions in addressing the pressing challenges of today’s digital world.
The university looks forward to continuing such initiatives, further strengthening its role as a leader in research and innovation in the academic community.
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- Enhancing Atmospheric Water Harvesting for Sustainable Water Solutions November 26, 2024
As water scarcity becomes an increasingly pressing issue, innovative solutions like atmospheric water harvesting (AWH) are being explored to provide sustainable access to fresh water. Dr Chinmoy Das, Assistant Professor from the Department of Chemistry and his research scholar Mr Sushant Wakekar have in their research paper titled, “Deciphering the functions of Metal-Organic Frameworks and their derived composites towards Atmospheric Water Harvesting: A comprehensive Review” analysed the crucial role of metal-organic frameworks (MOFs) and their composites in enhancing the efficiency of AWH systems.Abstract
To address water scarcity globally, recently atmospheric water harvesting (AWH) has emerged as an intriguing and sustainable solution. This comprehensive review critically investigates how diversity in metal-organic frameworks (MOFs) and their composite materials shapes the effectiveness and practicality of AWH technologies. These materials range from pristine MOFs to functionalized MOFs-based composites to attain the sophisticated hydrophilic behavior to perform as water harvesters. The multifaceted effects of MOFs and their composite materials on the kinetics of sorption and condensation, the feasibility of water uptake and release, the overall performance of the materials, the theoretical understanding of water uptake, and various instrumentation techniques have been demonstrated in this comprehensive review. It contributes to the ongoing discourse on sustainable water sourcing by emphasizing the pivotal role of materials diversity in shaping the future of AWH technologies.
Explanation of Research in layperson’s terms:
This review article explains how AWH technology, which captures water from the air, could provide sustainable solutions for water scarcity. We focus on advanced materials called MOFs and their ability to improve AWH efficiency. By analyzing different types of MOFs and MOF-based composites, we explore how they enhance water absorption and release, potentially making AWH more practical and effective for real-world use.
Practical/Social Implications of the Research:
This technology could have far-reaching social impacts by offering a reliable water source for communities in arid or remote areas, reducing reliance on traditional, often costly water sources, and strengthening resilience to climate change.
Future Research Plans:
To design and synthesis a material which can work with a minimum relative humidity (%RH) and design a suitable prototype for it.
Link to the Article
https://www.sciencedirect.com/science/article/pii/S2214993724003002
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- Entrepreneurship Bootcamp 2.0: A Journey of Innovation November 26, 2024
SRM University-AP’s Entrepreneurship Bootcamp 2.0 concluded in style with a vibrant Demo Day, where budding entrepreneurs gathered with innovative ideas, driven by their passion for building successful ventures. The event, held on the university’s Amaravati campus, marked the culmination of a ten-week intensive entrepreneurship training programme designed to foster innovation among students.The Demo Day featured an elite panel of mentors and investors, including Ms Sreedevi Devireddy, Head-Branding & Marketing, ASIP Technologies and Former Head of VDC Gitam University; Mr Cyrus Choi, Assistant Director of the Entrepreneurship Centre at Hong Kong University of Science and Technology (HKUST); Mr Lalith Mitra Reddy Kolli, Portfolio & Investor Relations Associate at Hyderabad Angles; Mr Samridh Seth, Founder, Black Komodo Investments, Dubai along with Prof. Sidharth Tripathy, Director-Entrepreneurship & Innovation, Mr Udayan Bakshi, Associate Director-Entrepreneurship and Innovation, Dr Krovi Raja Sekhar, CEO, Hatchlab Research Centre and Mr Pankaj Belwariar, Director-Communications of SRM University-AP.
The dynamic presentations by the participants showcased their innovative ideas, business models, and go-to-market strategies. The esteemed panel offered constructive feedback, enabling participants to refine their ventures further. “We approached you as living start-ups, and you rose to the occasion, demonstrating the hunger and drive of true entrepreneurs. Keep that fire alive,” Ms Sreedevi applauded the students.The Entrepreneurship Bootcamp 2.0 engaged 85 participants, selected from over 356 applicants after a competitive selection process. Curated by Prof. Sidharth Tripathy, a Harvard alumnus and the Director-Entrepreneurship & Innovation at SRM University-AP, the bootcamp comprised 14 interactive sessions covering ideation, business modelling, and go-to-market planning. The programme included world-class case studies and hands-on mentoring sessions with global experts.
Participants represented ventures in diverse fields such as Waste-to-wealth innovations, Augmented reality, Automobiles, Food processing, AI and Deep tech, Healthcare, Agritech etc. Of the 16 standout ventures identified during the programme, the top 10 teams received incubation grants of ₹50,000 each.
“This event stands as a testament to the passion and dedication of our students. Their hard work has earned them the incubation opportunity that they truly deserve. These grants will support their entrepreneurial journeys through incubation and acceleration at the Hatchlab Research Centre, SRM University-AP’s premier business incubator,” said Prof. Tripathy.
Continue reading → - CSE Student Publishes in Q1 Journal on Breakthrough Research in Water Technology November 25, 2024
Exemplary student achievements in academia, research and industry are a testament to the excellence nurtured at the SRM University-AP. Mr Anwar Faizaan Reza, 2nd year B.Tech. student from the Department of Computer Science and Engineering has published his research paper in the prestigious Q1 journal Desalination. His paper titled “Multi-Layer Perceptron (MLP) Models for Water Treatment and Desalination Processes” provides a comprehensive review of Multi-Layer Perceptron (MLP) models as innovative tools in water treatment and desalination processes.
With the growing global water scarcity due to increasing population and urbanisation, the study emphasises the need for advanced technologies to optimise water management. Mr Reza discusses how MLPs, a type of artificial neural network, can effectively handle complex, non-linear data, making them suitable for predicting water quality and treatment efficiency.
The paper compares MLPs with traditional models, highlighting their advantages in adaptability and accuracy. It also addresses the limitations of MLPs, such as their dependence on high-quality training data and susceptibility to overfitting. Additionally, the research identifies existing gaps in the application of MLPs in real-world scenarios and suggests future opportunities for integration with other AI techniques and real-time data analysis.
In his paper, Mr Anwar Reza proposes that MLPs can significantly enhance decision-making in water treatment by providing accurate forecasts and optimizing operational processes. He also discusses the importance of developing user-friendly cost estimation tools for desalination projects and advocates for using MLPs in techno-economic assessments. Overall, the paper underscores the potential of MLPs to revolutionise water treatment and desalination, presenting them as vital components in addressing the challenges posed by water scarcity and quality management.
Continue reading → - SRM AP Strengthens Ties with Japan University of Economics November 18, 2024
In a step towards broadening horizons and enriching academic opportunities, the Directorate of International Relations and Higher Studies (IR & HS) at SRM University-AP welcomed delegates from the Japan University of Economics (JUE). This milestone event marked the formalisation of a partnership aimed at fostering meaningful academic collaborations and strengthening ties between the two institutions.The signing ceremony was graced by the presence of esteemed representatives from JUE, including Dr Yuzo Tashiro, Director of the International Department and Head of Marketing Course, and Dr Katsunori Takahashi, Associate Professor of Global Business. Representing SRM University-AP, Dr Premkumar R, Registrar, was joined by Mr C.A. Chander Krishnamoorthy, CFO-SRM Group, and Mr Lakshmi Narasimhan, Director-in-Charge of International Relations and Higher Studies. The gathering also included prominent faculty members like Dr Sudeshna Saha, Prof Bharadhwaj Sivakumaran, Prof. Vishnupad Mishra, Dr Manish Kumar, and Dr Srujana Boddu, among others.
This collaboration is more than just an agreement—it’s a shared vision for preparing students to thrive in
a global world. Through this partnership, SRM University-AP and JUE aim to unlock diverse opportunities, including student and faculty exchange programmes, joint research initiatives, semester-abroad programmes, and joint international conferences.Japan University of Economics, known for its commitment to industry-focused education, brings a wealth of expertise to the table. This partnership with JUE will open a gateway for SRM AP students to access unparalleled career opportunities in Japan. A standout feature of this collaboration is its alignment with SRM AP’s flagship programme Destination Japan.
The partnership also promises to enhance students’ academic experiences by introducing joint courses focused on Japan’s economy, giving them a deeper understanding of one of the world’s most dynamic economic landscapes. With direct pathways to internships and employment in Japan, this collaboration ensures that SRM AP students are not just academically prepared but also ready to integrate seamlessly into global workplaces.
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- A Session on Interspecies Living and Bio-acoustics by Rohit Chakravarty November 18, 2024
The Department of Sociology and Anthropology under the aegis of Easwari School of Liberal Arts at SRM University-AP hosted a thought-provoking session on November 07, 2024. The session unravelled a fascinating world of interspecies living and highlighted the vital yet often ignored role of bats in our ecosystem. Mr Rohit Chakravarthy, a bat researcher working with Nature Conservation Foundation and Bat Conservation International was the speaker for the session.
The session for the students of Universal Human Values and Ethics focused on inter species living and inclusivity, although misunderstood and feared, bats play a critical role in contributing to the agriculture and beverages industries. The session also revealed that bats are primary pollinators for Durian fruit and tequila, two products that owe their existence to these nocturnal creatures. The session witnessed many such interesting stories that helped to portray bats as less frightening creatures.
However, it wasn’t just science and industry on the agenda. The session brought to life the fascinating social structures within bat colonies and captivating stories of bats sharing food with those in need and even acting as midwives, assisting other bats during childbirth! These behaviours reflect values of care and community that humans can learn from—reminders of how interconnected life on Earth truly is!
The session also acknowledged their association with the deadly viruses such as SARS, COVID-19, and Nipah. As the session drew to a close, students walked away with more than just facts. They left with a renewed appreciation for the world around them.
The second session, directed at Open Elective students studying the Socio-Cultural Dimensions of Sound, dove into the incredible world of bio-acoustics. The lecture explored echolocation used by bats as an important indicator for the military infrastructure for improving sonar technology used in submarines. Students were fascinated by the intricacies of interspecies communication, as bats use sound not only for navigation but also to exchange crucial information about habitat, mating, and potential threats.
The lectures beautifully combined science, ethics, and socio-cultural insights, reflecting the Department’s mission to nurture holistic thinkers and foster interdisciplinary learning. Although unconventional, the talk seemed to open new and diverse avenues for Liberal arts students, inspiring them to walk newer and less trodden paths.
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- A Strategic Partnership with Multi Commodity Exchange of India Ltd. November 18, 2024
SRM University-AP inked an MoU with Multi Commodity Exchange of India Ltd. (MCX), the largest commodity exchange in the country, to supply highly skilled professionals to meet the industry’s needs. The commodity market plays a vital role in the country’s economic development. Understanding that the industry is expected to create a significant number of job opportunities in the next decade, the university has taken the initiative to partner with MCX to place highly competent graduates at various levels of the company.
The agreement will explore and conduct various interactive sessions, faculty development programmes, research programmes, seminars, conferences and conclaves that would benefit students, faculty and other working professionals. Joint Management Development Programmes (MDP) on the financial / derivatives market, educational conclaves on commodity derivatives inviting participation from other business schools & universities, and events like CONQUEST are some of the initiatives that the MOU manifests.
On the academic front, the MOU agrees that SRM University-AP may launch full/part-time Postgraduate Executive Diploma courses in the Financial /Commodity Derivatives Market with significant input from MCX on the curriculum. The university might also introduce a chapter on “Commodity Derivatives” in its curriculum for the management and commerce programmes. SRM AP will also offer existing courses of MCX, viz. MCX Commodity Professional (MCCP), MCX Certified Index Professional (MCIP) & MCX Certified Options Professional (MCOP) certification(s) as programmes or certification courses under the Paari School of Business.
The partnership with Multi Commodity Exchange of India Ltd. is of grave importance in providing the students and faculty with exposure to the industry, keeping pace with recent market trends, and acquiring an industry-ready skillset.
Continue reading → - Challenging Norms and Expanding Perspectives with YSK Prerna November 18, 2024
In a world where conversations around gender are evolving rapidly, the Department of Sociology and Anthropology from the Easwari School of Liberal Arts at SRM University-AP hosted a two-part lecture series that sparked introspection, challenged societal norms, and helped foster inclusivity. With honest discussions, cultural references, and meaningful reflections, the sessions resonated deeply with students, encouraging them to rethink what they know about gender.The session saw Artistic Director of Conflictorium – Museum of Conflict, Chattisgarh, and Gujarat, YSK Prerana as its speaker.The first session for the Universal Human Values and Ethics students opened the door to reimagining gender beyond traditional binaries. The discussions tackled pressing issues such as inequality, the choice of motherhood, and the issue of gender-based violence. The session wove in popular memes that students see every day to explore how gender stereotypes are subtly reinforced. The speaker took things a step further, the short film Juice. Set in a household gathering, the movie painted a raw picture of how caste, class, and gender intersect, powerfully illustrating how invisible power dynamics shape everyday interactions.
The session wasn’t about pointing fingers or placing blame. It was about understanding—about seeing the world through a different lens and recognising how ingrained norms can shape perceptions. Students left the room not just with questions but with a drive to seek answers and advocate for change.
The second session, tailored for students of the Open Elective Law and Society, turned the focus inward. It started with a simple question: When did you first become aware of your gender? What followed was an exploration of how gender is more than an identity—it’s a social construct shaped by power dynamics.
Students examined how societal categories like caste and class blend into gendered expectations and how these norms are portrayed through media. But the session didn’t just focus on challenges. It celebrated progress, stressing upon how new meanings and ways of expressing gender are emerging every day.
The sessions made students pause and think about the roles they play in their communities and the changes they can bring. By addressing deeply ingrained issues with honesty and compassion, the Department of Sociology and Anthropology created a space where students could reflect on their own experiences, listen and most importantly ask questions.
Continue reading → - SRM University-AP Forges Partnership with TAR UMT, Malaysia November 14, 2024
The Directorate of International Relations and Higher Studies at SRM University-AP signed a Memoranda of Understanding (MoU) with Malaysia’s globally renowned institution—Tunku Abdul Rahman University of Management And Technology, TAR UMT, Malaysia.These partnerships are aimed at fostering collaborative research, expanding publication opportunities, offering co-teaching and course supervision, and hosting joint conferences.The Malaysian delegation, represented by Prof. Say Sok Kwan, Vice President for Administration and Internationalisation at TAR UMT, expressed a shared vision. “At TAR UMT, our primary focus is to ensure that we uphold the highest standards in education and prioritise affordable education to all. We are not commercially driven.” She asserted that this partnership will generate research that not only benefits our local community but also has a positive impact on society at large.
Adding to this sentiment, Prof. Ranjit Thapa, stated that the varsity being a research-intrinsic university wherein the varsity dedicates 15-20% of its budget for research. He stated that collaborating with TAR UMT would be a step towards co-creating knowledge that addresses global challenges. Dr Sudeshna and Prof. Ranjit Thapa brainstormed with the Malaysian delegation on areas that they can begin collaborating, they agreed that Industry Internships, enrollment in upcoming international conferences and co- supervising research would be a great start.
Prof. C V Tomy, Dean School of Engineering and Sciences, presented the Malaysian Delegation with a gist of the university’s research, academic and Entrepreneurial environment. He stressed on the fact that as an institution of higher education SRM AP focuses on research and that here at the varsity, research is encouraged across all programmes, including the faculty and the undergraduate students.
Dr Sudeshna Saha, Associate Director of the Directorate of International Relations and Higher Studies at SRM University-AP, as well as other esteemed deans and faculty members, attended the event. Alongside the Malaysian representatives, including Dr Loke Chui Fung, Vice President for Research & Development and Commercialisation, and Dr Karthiyani Shanmugam, Dean of the Faculty of Social Science and Humanities, Mr Marcus Ooi Hwee Jin– Director, Department of International Student Office, and Mr Danny Chng Loi Peng– Director, Centre for Continuing and Professional Education .This partnership is poised to enhance academic synergies and contribute significantly to addressing both local and global challenges through collaborative research and education.
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