Find Academic Supervisors

Sheng ShenView profile

Professor

• Nanophotonics
• Nanoscale Energy Transport and Conversion
• Advanced Manufacturing
• +7 more

Sheng Shen is a Professor in the Mechanical Engineering Department at Carnegie Mellon University (CMU) , with courtesy appointments in the Departments of Electrical and Computer Engineering and Materials Science and Engineering . He earned his Ph.D. in Mechanical Engineering (Minor in Electrical Engineering) from Massachusetts Institute of Technology (MIT) , and his B.S. and M.S. from Huazhong University of Science and Technology in China. Prior to joining CMU in 2011, he conducted postdoctoral research at UC-Berkeley . Education: Ph.D., Mechanical Engineering, MIT (2010) B.S. & M.S., Power Engineering & Engineering Thermophysics, Huazhong University of Science and Technology (2000 & 2003) Research interests include nanophotonics , nanoscale energy transport and conversion , nanofabrication , and advanced manufacturing , with applications in thermal management , light sources and devices , thermal emission control , solar energy conversion , infrared sensing , and multifunctional materials . His work leverages interdisciplinary expertise in thermal and optical measurements , material synthesis , device fabrication , and theoretical modeling . Recent publications highlight advancements in infrared radiation control , thermal interface materials , metasurface engineering , and graphene-based nanosystems . His scientific awards include: NSF CAREER Award DARPA Director's Fellowship DARPA Young Faculty Award Elsevier/JQSRT Raymond Viskanta Award CMU Dean's Early Career Fellowship Philomathia Foundation Research Fellowship Hewlett-Packard Best Paper Award Best Paper Award, Julius Springer Forum Advising spans Ph.D. and postdoctoral researchers in nanoscale energy systems, with alumni contributing to solar energy conversion , infrared sensing , and flexible electronics . His lab receives funding from ARL, DARPA, DOE, DTRA, NASA, NSF, and ONR , and recently secured a DURIP award for instrumentation.

• Integrated Optics
• Silicon Photonics
• Semiconductor Lasers
• +3 more

Professor Marc Sorel is a faculty member in the Department of Electronic & Nanoscale Engineering at the University of Glasgow's School of Engineering. He holds a PhD from Università di Pavia (1999) and joined the Optoelectronics Research Group at Glasgow in 1998 with a Rotary Foundation fellowship. Appointed Lecturer in 2002 and Senior Lecturer in 2008, he is now a Professor specializing in integrated optics, silicon photonics, and semiconductor lasers. His research focuses on applications like quantum technology, mid-infrared optoelectronics, and nonlinear photonics. Notable projects include silicon nitride optical phased arrays and rubidium-based atomic systems. He leads a team advancing chip-scale sensors and photonic integrated circuits. Collaborations with institutions like the Quantum Technology Hub highlight his industry engagement. Research interests span semiconductor ring lasers, ultrashort pulse lasers, and coupled ring resonators on silicon-on-insulator platforms. His work integrates materials science (e.g., alumina/silicon nitride) with quantum and optical engineering innovations. Over 300 publications and presentations at conferences like CLEO and ECOC reflect his global impact. Current efforts emphasize mid-infrared sensing, cold atom systems, and high-precision laser development. His lab develops photonic components for atomic trapping, quantum communication, and biomedical sensing. Recent advancements include sub-kHz linewidth lasers and low-loss waveguides. Funding from UK Research and Innovation supports his exploration of next-generation photonic technologies.

Tommaso MarcatoView profile

Lecturer

• Materials Science
• Optoelectronics
• Nanotechnology
• +3 more

Dr. Tommaso Marcato is a Lecturer at the Department of Chemistry and Applied Biosciences, ETH Zürich. He earned his MSc in Chemical and Bioengineering from ETH Zürich after completing his BSc in Chemical Engineering at Politecnico di Milano, Italy. His research focuses on perovskite light-emitting diodes (PeLEDs), emission anisotropy, and light-outcoupling efficiency, with a particular emphasis on transition dipole moment orientation and nanocrystal self-assembly. His publications span topics such as Stabilization of CsPbI₃ nanoplatelets via metal iodide doping Molecular orientation engineering in OLEDs Ultraflexible self-powered optoelectronics Electroluminescent metasurfaces using perovskite nanocrystals His work aims to overcome photon trapping in devices by manipulating emitter orientation and exploring quantum confinement effects. Dr. Marcato's recent articles (2019–2025) demonstrate expertise in Hybrid perovskite systems Quantum dot applications Photonic device architecture Surface passivation techniques . He is part of the Shih group at ETH Zurich and has received funding from ETH-33 18-2 for his research on graphene-templated molecular alignment in LEDs.

Hamed RahmaniView profile

Assistant Professor

• Integrated Circuits
• RF/mm-Wave and THz Circuits
• Low-Power Sensors
• +5 more

Hamed Rahmani is an Assistant Professor of Electrical and Computer Engineering at New York University (NYU Tandon School of Engineering). He is affiliated with NYU WIRELESS and the Center for Advanced Technology in Telecommunications (CATT), leading the Research in Advanced Integrated Systems and Electronics (RAISE) Lab. His research focuses on integrated circuits and systems for biomedical applications, IoT, and 5G/6G communication. Education: Ph.D., Electrical and Computer Engineering, UCLA (2020) M.Sc., Electrical and Computer Engineering, Rice University (2017) B.Sc., Electrical Engineering, Sharif University of Technology (2014) Research Interests: RF/mm-Wave circuits, low-power biomedical sensors, energy-efficient IoT systems, and wireless power transfer. His work emphasizes miniaturized implants, smart healthcare, and sustainable electronics. Awards: Recipient of the NSF CAREER Award (2025), IEEE MTT-S Graduate Fellowship (2019), and the 2023 Best Paper Award in the Journal of Microwave. He serves on technical committees for major conferences like CICC and IMS. Labs & Groups: Directs the RAISE Lab, collaborating with NYU WIRELESS on 6G research and CATT for technology transfer.

Changxi ZhengView profile

Associate Professor

• Computer Graphics
• Scientific Computing
• Physics-Based Sound Synthesis
• +7 more

Changxi Zheng is an Associate Professor in the Department of Computer Science at Columbia University's School of Engineering and Applied Science (SEAS). He directs Columbia's Computer Graphics Group (C2G2) within the Columbia Vision and Graphics Center (CVGC). After receiving his PhD from Cornell University, he joined the faculty of Computer Science Department at Columbia, where he has established himself as a leading researcher in computer graphics and scientific computing. Dr. Zheng's research spans multiple areas of applied computer science with a particular focus on computer graphics and scientific computing. His work centers around developing numerical models for simulating physical phenomena involving complex motions such as fluids, bubbles, and thin rods, along with their resulting acoustic waves. Leveraging computational insights from these models, he devises methods for improving tangible object creation, enabling novel human-computer interactions, and developing software tools for acoustic and photonic devices. His research has attracted significant public interest and media coverage, including projects like FontCode, AirCode, and Computational Metallophone Design. His recent publications reveal a strong interdisciplinary approach, bridging computer graphics, physics simulation, machine learning, and hardware design. His work demonstrates consistent innovation in computational methods for simulating physical phenomena and applying these techniques to practical problems in 3D printing, acoustic modeling, and interactive systems. The breadth of his research spans from fundamental physics-based simulations to practical applications in industry. Columbia SEAS Dean's Fellow (for advised students) NSF Graduate Research Fellow (for Ruilin Xu) Snap Research Fellow (for Rundi Wu) CKGSB Fellow (for Yun Fei) Adobe Research Fellow (for Gabriel Cirio) Marie Sklodowska-Curie Individual Fellow (for Rundi Wu) Best Paper Award at ACM International Conference on Multimedia (ACMMM), 2019 Dr. Zheng actively mentors a diverse group of students, including current PhD candidates and postdoctoral researchers. His research group has received support from various sources that enable their innovative work in computational graphics and physics-based simulation. He has supervised numerous successful students who have gone on to positions at leading technology companies including Adobe, Tencent, Facebook, and academic institutions. As director of Columbia's Computer Graphics Group (C2G2) within the Columbia Vision and Graphics Center (CVGC), Dr. Zheng leads a vibrant research team focused on advancing the state of the art in computer graphics, physics-based simulation, and their applications. The group maintains strong collaborations with industry partners and academic institutions worldwide, fostering an environment of innovation and practical application of theoretical concepts.

Cherie KaganView profile

Professor

• Nanostructured materials
• Colloidal nanocrystals
• Quantum dots
• +7 more

Cherie Kagan serves as the Stephen J. Angello Professor at the University of Pennsylvania, holding primary appointment in the Department of Electrical and Systems Engineering within the School of Engineering and Applied Science, with secondary appointments in Chemistry and Materials Science and Engineering. Her interdisciplinary research bridges chemistry, materials science, and electrical engineering to develop novel functional materials and devices that integrate optical, electrical, magnetic, mechanical, and thermal properties. Professor Kagan's research group combines the flexibility of chemical synthesis and bottom-up assembly with top-down fabrication techniques to design innovative nanomaterials. They employ advanced characterization methods including spatially- and temporally-resolved optical spectroscopies, AC/DC electrical measurements, electrochemistry, and various microscopy techniques. Her recent work demonstrates particular strength in colloidal nanocrystals and quantum dots for applications in quantum information science, sensing technologies, and energy conversion devices. Scientific Recognition Induction to the American Academy of Arts and Sciences (2025) IEEE Fellow (2024) for contributions to colloidal nanocrystals and their integration in optical and electronic devices George H. Heilmeier Faculty Award for Excellence in Engineering (2024-25) Humboldt Research Award Fellowship (2024) MRS Fellow for distinguished research accomplishments in materials science National Academy of Inventors Fellow for innovation in nanomaterials Professor Kagan actively mentors PhD students across multiple departments, with recent graduates including Gary Chen, Chavez Lawrence, and Shobhita Kramadhati. Her research is supported by significant grants including the IoT4Ag project focused on precision agriculture sensing systems. She maintains active collaborations with Nobel Laureate Moungi Bawendi, her former PhD advisor at MIT, and works with institutions including the Max-Planck Institute for Chemical Physics of Solids through her Humboldt Fellowship. The Kagan Research Group operates comprehensive facilities for nanomaterials synthesis, characterization, and device fabrication, combining expertise across chemistry, physics, and engineering disciplines. Current team members include PhD students from Electrical and Systems Engineering and Chemistry departments, postdoctoral researchers like Anamika Singh and Akhila Mallavarapu, and undergraduate researchers supported through programs like CURF.

Jonathan KlamkinView profile

Professor

• Integrated Photonics
• Silicon Photonics
• Optical Communications
• +5 more

Jonathan Klamkin is a Professor in the Department of Electrical and Computer Engineering at the University of California, Santa Barbara (UCSB). He also serves as the Director of the Nanofabrication Facility, overseeing advanced photonics fabrication resources. His research focuses on integrated photonics, silicon photonics, optical communications, and compound semiconductor integration. Klamkin holds a PhD in Materials from UCSB, an MS in Electrical and Computer Engineering from UCSB, and a BS in Electrical and Computer Engineering from Cornell University. His research interests span cutting-edge areas such as electronic-photonic integration, nanophotonics, and microwave photonics. He has pioneered techniques for heterogeneous integration of compound semiconductors on silicon, enabling scalable photonic systems for applications in LiDAR, high-speed communications, and quantum technologies. Notable awards include the DARPA Young Investigator Award, NASA Early Career Faculty Award, and the PIERS Young Scientist Award. His recent work emphasizes beam steering systems, high-power quantum dot lasers, and photonic integrated circuits for remote sensing and lidar. Klamkin’s lab develops both fundamental materials science and applied photonic devices, with a focus on bridging the gap between semiconductor growth and integrated system design. Key contributions include innovations in grating coupler design, antiphase boundary-free epitaxy for GaAs on silicon, and analog coherent detection for energy-efficient data centers. His research bridges photonics, electronics, and materials science to address challenges in high-performance integrated systems.

Muhammad GulzariView profile

Assistant Professor

• Finite Element Modelling
• Structural Dynamics
• Applied Mechanics
• +7 more

Dr. Muhammad Gulzari is an Assistant Professor at the School of Civil Engineering, University College Dublin (UCD). Previously, he held positions as Lecturer/Assistant Professor at the University of Galway (2023–2024), Adjunct Assistant Professor at Trinity College Dublin (2022–2023), and a Research Fellow at Trinity College Dublin (2021–2023). He earned his Ph.D. in Civil Structural Engineering from City University of Hong Kong (2021) and a B.Sc. in Civil Engineering from the University of Engineering and Technology Lahore (2017). Education: Bachelor of Engineering, Civil Engineering, University of Engineering and Technology Lahore Ph.D., Civil Structural Engineering, City University of Hong Kong Research Interests: His work focuses on structured materials and dynamics, including finite element modeling, phononic crystals, acoustic and mechanical metamaterials, vibration and noise control, and applications in structural health monitoring. He leads the Structured Materials and Dynamics Lab at UCD, exploring nonlinear and nonreciprocal metamaterials. Teaching and Awards: He has taught courses in Fluid Mechanics, Thermodynamics, and Combustion Engineering. Notable recognitions include the Seal of Excellence Award from the EU-Horizon MSCA Postdoctoral Fellowship (2021) and nominations for teaching excellence awards at Trinity College Dublin and University of Galway. Grants: TimberFlow: Enhancing Efficiency in Mass Timber Construction (Enterprise Ireland, 2025) Indoor Acoustic Quality via Acoustic Metamaterials (Enterprise Ireland, 2025) RUBBERPAVE: ELT Integration in Pavement Construction (Enterprise Ireland, 2024–2026) Deep Learning for Metamaterial Design (Irish Research Council, 2021–2023) Labs and Collaborations: His research group collaborates with industry partners like Amplitude Acoustics and G-frame Structures Ltd. Key projects include developing metamaterials for noise/vibration control and sustainable construction materials.

Di ZhuView profile

Professor

• Integrated Quantum Photonics
• Superconducting Detectors
• Nonlinear Optics
• +3 more

Di Zhu is a Presidential Young Professor in the Department of Materials Science and Engineering at the National University of Singapore (NUS). He holds a B.Eng. from Nanyang Technological University and M.Sc./Ph.D. from MIT, both in Electrical Engineering. His postdoctoral research at Harvard focused on lithium niobate integrated photonics and superconducting detectors. He previously worked as a research scientist and PI at A*STAR's Institute of Materials Research and Engineering (IMRE). Research Interests : Integrated quantum photonics, superconducting detectors, nonlinear optics, and nanofabrication. His group develops scalable quantum photonic devices using lithium niobate and superconducting materials, emphasizing applications in quantum computing, communication, and sensing. Awards : National Research Foundation (NRF) Fellowship Harvard Quantum Initiative (HQI) Postdoctoral Fellowship MIT Jin-Au Kong Thesis Award Advising & Recruitment : Actively recruiting postdocs, PhD students, and interns in areas like integrated photonics, quantum optics, and superconducting detectors. Positions include work on thin-film lithium niobate, quantum simulation, and microwave-optical transduction. Group website: dizhulab.org .

Ranjan SinghView profile

Professor

• Terahertz (THz) Photonics
• Metamaterials
• 6G Communications
• +6 more

Ranjan Singh is a Professor at the Division of Physics, Nanyang Technological University (NTU) Singapore, specializing in terahertz photonics and metamaterials. He holds an elected fellowship from OPTICA (OSA) for pioneering work in ultrafast terahertz photonics, active metamaterials, and sensors. His research focuses on hybrid THz-electronic-photonic technologies for 6G communications, topological photonics, spintronics, quantum materials, and high-Tc superconductors. Education: B.Eng. in Telecommunications (Bangalore University, 2001); M.Tech in Photonics (Cochin University, 2004); Ph.D. in Photonics (Oklahoma State University, 2009). Postdoctoral research at Los Alamos National Laboratory (2009–2013). Research emphasizes on-chip THz topological photonics for next-gen communication systems, with notable achievements including a $7M grant for TERACOMM (on-chip THz topological photonics). His work integrates AI-driven beamforming, reconfigurable metasurfaces, and phase-change materials for adaptive THz systems. Key awards include the 2020 Web of Science 'Top 1% Highly Cited Researcher' distinction. His lab, TeraX Labs (founded 2013), develops cutting-edge technologies like THz brain-computer interfaces, quantum emitters, and spintronic sensors. Over $12M in competitive grants has fueled innovations in THz integrated circuits, tunable optical coatings, and ultra-sensitive biosensors. Advancing 6G/XG wireless, Singh's team designs topological beamformers, intelligent reflecting surfaces (IRS), and terahertz metamaterials for multi-link systems. His work bridges theoretical physics and applied engineering, with a focus on energy-efficient, reconfigurable photonic systems.

Gordon WetzsteinView profile

Associate Professor

• Computer Graphics
• Computer Vision
• Artificial Intelligence
• +6 more

Gordon Wetzstein is an Associate Professor of Electrical Engineering and, by courtesy, Computer Science at Stanford University. He leads the Stanford Computational Imaging Lab and co-directs the Stanford Center for Image Systems Engineering (SCIEN). His research focuses on computational imaging, wearable computing, and neural rendering, blending computer graphics, vision, AI, and optics. Education: Ph.D., Computer Science, University of British Columbia (2011) Diploma, Media Systems Science, Bauhaus University (2006) Research Interests: His work spans computational displays , holography , non-line-of-sight imaging , and AI-driven optical systems . Key projects include Autofocals (gaze-contingent eyeglasses) and neural holography systems. He explores applications in AR/VR, medical imaging, and scientific visualization. Publications: Recent work includes advances in 3D holography, gaze-tracking systems, and AI-optics integration. His papers address challenges in display efficiency, light-field processing, and real-time imaging. Awards: Fellow of Optica NSF CAREER Award (2016) PECASE (2019) ACM SIGGRAPH Significant New Researcher Award (2018) Advising & Grants: He advises over 20 doctoral and postdoctoral students. His lab collaborates with industry (e.g., Raxium, Google) and has secured grants from NSF, DARPA, and private foundations. Labs & Teams: His lab develops cutting-edge systems like neural holography and non-line-of-sight imaging. The SCIEN center fosters interdisciplinary image systems research.

Stefan MaierView profile

Professor

• Nanophotonics
• Plasmonics
• Metasurfaces
• +5 more

Professor Stefan Maier holds the position of Head of School in Physics and Astronomy at Monash University. Previously, he served as the Lee Lucas Chair in Experimental Physics at Imperial College London (2007–2018) and built a new chair at Ludwig-Maximilians-Universität München (2019–2022). His research focuses on nanophotonics, plasmonics, and metasurface engineering, with emphasis on optical trapping, nonlinear optics, and novel photonic devices. Education: Bachelor’s degree in Physics, Technical University of Munich M.Sc. and Ph.D. in Applied Physics, California Institute of Technology (Caltech) Research Interests: Development of metamaterials and metasurfaces for light manipulation Applications of nanophotonics in sensing, imaging, and quantum technologies Optical trapping and plasmonic catalysis Nonlinear optical phenomena in nanostructured materials Articles Trends: Recent work emphasizes bound states in the continuum (BICs), 3D nanoprinted optical platforms, and active metasurfaces with tunable properties. Key themes include hybrid nanophotonics, ultra-high-Q resonators, and plasmonic nanomaterials for energy applications. Awards: ISI Highly Cited Researcher (2017–present) Grants/Projects: Chief Investigator in the All-on-chip twisted light modulator project (2022–2025) Leadership in Monash’s nanophotonics research team Labs/Teams: Directs a multidisciplinary lab at Monash focused on integrating 3D nanofabrication with optical physics, including collaborations in metafiber development and plasmonic biosensing.

Steffen MarburgView profile

Professor

• Numerical Methods in Vibroacoustics
• Aeroacoustics
• Structural Optimization
• +6 more

Prof. Dr. Steffen Marburg is a Full Professor at the Chair of Acoustics of Mobile Systems within the TUM School of Engineering and Design at the Technical University of Munich. His research focuses on numerical methods in vibroacoustics, structural optimization, and acoustic modeling for applications in automotive, maritime, and musical instrument domains. Education: PhD from Technical University of Dresden (1998). Academic Career: Junior Professor at TU Dresden (2004), Chair of Technical Dynamics at University of the Federal Armed Forces Munich (2010), Full Professor at TUM (2015–present). Editorial Roles: Co-Editor-in-Chief of Journal of Theoretical and Computational Acoustics, Associate Editor of Journal of the Acoustical Society of America, Editor of Acoustics Australia and Mechanical Systems and Signal Processing. His research integrates computational acoustics, boundary element methods, and machine learning to address noise control and structural optimization challenges. Recent work explores acoustic metamaterials, viscothermal losses, and data-driven modeling. He has co-authored over 150 publications and led advancements in multifrequency solution methods and noise-insulating structures. Scientific awards include the Innovation Award of the Industrieclub Sachsen e.V. (1999). His editorial contributions and leadership in journals highlight his influence in computational acoustics and structural dynamics.

Edoardo CharbonView profile

Professor

• Ultra High-Speed Optical Sensors
• 3D Optical Sensors
• LiDAR
• +10 more

Edoardo Charbon is a Full Professor at École Polytechnique Fédérale de Lausanne (EPFL) in the School of Engineering, where he leads the Advanced Quantum Architecture Lab (AQUA). He also serves on the School Council STI and is Co-Director of STI-SSIQ Administration. Previously, he was a full professor and chair at Delft University of Technology from 2008 to 2016. Charbon received his Elektrotechnik Diploma from ETH Zurich, M.S. from UC San Diego, and Ph.D. from UC Berkeley, all in electrical engineering. His career spans industry experience at Cadence Design Systems and Canesta Inc. before joining EPFL in 2002. His research focuses on ultra high-speed and 3D optical sensors, with applications in LiDAR, FLIM (Fluorescence Lifetime Imaging Microscopy), PET (Positron Emission Tomography), FCS (Fluorescence Correlation Spectroscopy), and NIROT (Near-Infrared Optical Tomography). He has pioneered deep-submicron CMOS SPAD technology, which is now mass-produced and used in smartphones, telemeters, and medical diagnostics. His recent work bridges cryo-CMOS circuits for quantum computing with advanced optical sensing techniques. Analysis of his recent publications reveals a strong trend toward integrating quantum technologies with practical imaging applications. His work spans from fundamental device development (SPAD sensors, cryo-CMOS circuits) to applied systems (LiDAR engines, medical imaging devices), with increasing integration of machine learning techniques for real-time processing. 2023 IISS Pioneering Achievement Award Fellow of the IEEE Distinguished visiting scholar, W. M. Keck Institute for Space at Caltech Fellow, Kavli Institute of Nanoscience Delft Distinguished lecturer, IEEE Photonics Society Professor Charbon has authored or co-authored over 500 papers and two books, and holds 27 patents. His research has been supported by collaborations with organizations including Bosch, X-Fab, Texas Instruments, Maxim, Sony, Agilent, and the Carlyle Group. He has driven significant innovation in CMOS SPAD technology, which is now commercially deployed in various applications. He leads the Advanced Quantum Architecture Lab (AQUA) at EPFL, which focuses on the development of advanced sensor systems combining quantum technologies with conventional electronics. The lab has been instrumental in creating SPAD-based imaging systems that push the boundaries of time-resolved optical detection.

Kyle JamiesonView profile

Professor

• Wireless Networks
• 5G Technology
• Quantum Computing in Communications
• +3 more

Dr. Kyle Jamieson is a Professor of Computer Science at Princeton University, leading the Princeton Advanced Wireless Systems (PAWS) lab within the Department of Computer Science. He is also Affiliated Faculty in the Department of Electrical and Computer Engineering. His research focuses on wireless networking systems, 5G architecture, IoT networks, and quantum computing applications in wireless communication. He has pioneered work in reconfigurable intelligent surfaces, MIMO detection algorithms, and metamaterials for millimeter-wave networks. Dr. Jamieson has developed courses such as COS 597S: Recent Advances in Wireless Networks (graduate seminar), COS 463: Wireless Networks , and COS 418: Distributed Systems . His teaching emphasizes interdisciplinary approaches to networking challenges, including physical-layer design, computational structures for wireless processing, and cross-layer optimization. His lab’s research spans smart surfaces for 5G networks, quantum annealing for MIMO processing, and edge computing for live video analytics. Recent work includes deploying reconfigurable metamaterials for enhanced mmWave networks and developing tools like NR-Scope for 5G telemetry. While no awards are listed in the provided text, his contributions to wireless systems have advanced both academic and industrial applications in areas such as network resilience, IoT scalability, and quantum-enabled wireless processing. Dr. Jamieson’s advising focuses on graduate and undergraduate students working in wireless systems, though specific advisee names are not provided. His lab collaborates on projects like Wall-Street for roadside networking and Spider for multi-hop mmWave video analytics. External collaborations include work with Microsoft Research and guest lecturing roles at Berkeley. His research bridges theoretical foundations with practical implementations, often addressing real-world challenges in wireless infrastructure and next-generation communication systems.