Photonics Science and Engineering

Center for Lasers and Photonics, IIT Kanpur

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MS (By Research) interviews are scheduled on 20 and 21 May 2025

PhD interviews scheduled on 22 May 2025

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Welcome to Center for Lasers and Photonics

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Central Manufacturing Technology Institute(CMTI), Bangalore
and IIT Kanpur signed a MoU on collaborative research in Laser Technology,
Photonics and Advanced Manufacturing Technology.

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About Us

The Center for Lasers and Photonics (CELP) is an interdisciplinary center of excellence that combines cutting-edge technology from engineering and theoretical advances in science to create new horizons in the field of photonics science and engineering. The faculty in CELP belong to six different parent departments (EE, ME, AE, PHY, CY, and CE) and pursue research in the fields of nanobiophotonics, ultrafast optics, quantum optics and related fields. The Center has research infrastructure worth several crores funded by agencies such as DST, DRDO, CSIR, MHRD etc.

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Head of Department

Prof. Pradeep Kumar K

Head, Centre for Lasers and Photonics
Phone:0512-259-7570
Email: head_ltp@iitk.ac.in / pradeepk@iitk.ac.in

Students NameRoll No.Email Id
Kunal Santosh Bhajbhuje 241160605 This email address is being protected from spambots. You need JavaScript enabled to view it.
Kuntal Debnath 241160604 This email address is being protected from spambots. You need JavaScript enabled to view it.
Soumya Chaudhury 241160603 This email address is being protected from spambots. You need JavaScript enabled to view it.
Vishnu Sankar K 241160602 This email address is being protected from spambots. You need JavaScript enabled to view it.
Sumit Kotwal 241160601 This email address is being protected from spambots. You need JavaScript enabled to view it.
Garima Joshi 231160603 This email address is being protected from spambots. You need JavaScript enabled to view it.
Moirangthem Bikramjit Singh 231160602 This email address is being protected from spambots. You need JavaScript enabled to view it.
Sucharita Sen 231160601 This email address is being protected from spambots. You need JavaScript enabled to view it.
Vinayak Pathak 22116262 This email address is being protected from spambots. You need JavaScript enabled to view it.
Tushar Singh 22116261 This email address is being protected from spambots. You need JavaScript enabled to view it.
Aman Kushwaha 21116265 This email address is being protected from spambots. You need JavaScript enabled to view it.
Aman Sharma 21116264 This email address is being protected from spambots. You need JavaScript enabled to view it.
Devendra Singh 21116261 This email address is being protected from spambots. You need JavaScript enabled to view it.
Md Gulzar Alam 20116263 This email address is being protected from spambots. You need JavaScript enabled to view it.
Bhaswati Singha Deo 20116262 This email address is being protected from spambots. You need JavaScript enabled to view it.
Sumedha Chanda 20116265 This email address is being protected from spambots. You need JavaScript enabled to view it.
Anadi Agnihotri 19116401 This email address is being protected from spambots. You need JavaScript enabled to view it.
Dananjoy De 19116261 This email address is being protected from spambots. You need JavaScript enabled to view it.
Subhajit Chakraborty 18116264 This email address is being protected from spambots. You need JavaScript enabled to view it.
Soumya Kumari 18116263 This email address is being protected from spambots. You need JavaScript enabled to view it.
P. Sai Shruti Rao 18116262 This email address is being protected from spambots. You need JavaScript enabled to view it.
Aritra Paul 18116261 This email address is being protected from spambots. You need JavaScript enabled to view it.
Shivam Shukla 17116008 This email address is being protected from spambots. You need JavaScript enabled to view it.
Deeksha Jachpure 17216261 This email address is being protected from spambots. You need JavaScript enabled to view it.
Sapireddy Srinivasu 17116262 This email address is being protected from spambots. You need JavaScript enabled to view it.
Arpita Sinha Roy 15216262 This email address is being protected from spambots. You need JavaScript enabled to view it.
Govind Kumar 13116061 This email address is being protected from spambots. You need JavaScript enabled to view it.
Sanyogita 12116061 This email address is being protected from spambots. You need JavaScript enabled to view it.
Amar Ghar 12216061 This email address is being protected from spambots. You need JavaScript enabled to view it.
  • Laser Spectroscopy
  • Laser-Plasma Studies
  • Ultrafast Phenomena
  • Raman Spectroscopy
  • Medical Applications Of Lasers
  • Photonic Devices
  • Semiconuctor Lasers
  • Semiconductor Optoelectronic Integration
  • Interferometric Tomography
  • Fiber Optics
  • Optical Signal & Information Processing
  • Optical Networks
  • Electrooptic Materials & Devices
  • Particle Image Velocimetry
  • Laser Schliern
  • Laser Processing Of Materials
  • Laser Micromachining
  • Solid And Liquid Phase Pulsed Laser Deposition
QUANTUM AND WAVE PHENOMENA
(EE683A)
Introduction to quantum mechanics and its tools: Motivation for quantum mechanics: early experiments; general principles of quantum mechanics: operator algebra, eigenstates, superposition, observables and expectation values, uncertainty relations, commutators, angular momentum, Dirac notation; potential wells and barriers, harmonic oscillator, Hydrogenic atom; time independent and dependent perturbation theory. .Device applications of quantum and wave phenomena: Density of states; practical examples of lowdimensional systems such as quantum wells, wires and dots: design, fabrication and characterization techniques; engineered electronic and optical properties of these lowdimensional materials; application in electronic, optoelectronic and photonic devices; current research efforts towards using quantum mechanical effects for developing efficient devices.
FIBER-OPTIC COMMUNICATIONS
(EE684A)
  1. Introduction.
  2. Light propagation in optical fibers. Single and multimode fibers, light guiding by fibers, material and waveguide dispersion, Polarization mode dispersion, Nonlinear effects: self and cross phase modulation, Raman and Brillouin scattering, four wave mixing etc.
  3. Optical transmitters and modulation. External modulators: phase and intensity, bias control, Pulse shaping, pulse carving, Modulation formats; Intensity modulation, RZ and NRZ amplitude modulation, Mary modulation using Mach Zehnder modulator, MSK, IQ modulation and optical OFDM.
  4. Detection of optical signals. Direct detection: receiver structure, data recovery, signal to noise ratio, performance calculations for binary digital optical systems. Coherent detection: heterodyne, homodyne, DSP assisted coherent optical receiver, performance analysis.
  5. Optical amplifiers. Principles of SOA and EDFA, single and double pump configurations, ASE noise in SOA and EDFA, OSNR calculations.
  6. Optical link design. Power budget under linear and nonlinear effects, power penalty, dispersion tolerance in DWDM systems.
SEMICONDUCTOR OPTICAL COMMUNICATION DEVICES
(EE685A)
Introduction., Review of Semiconductors, Epitaxial Growth of Semiconductors, Semiconductor Optical Waveguides, LED, Diode Lasers, Fabrication and Packaging, Single mode Laser diodes plus Reliability, PhotoDetectors, External Modulators, Photonic Integrations.
COMPUTATIONAL ASPECTS OF TOMOGRAPHIC IMAGING: MODELS TO INVERSIONS
(EE659A)
Motivations and overview of of tomography, limited data settings, approximate tomography, multimodal tomography. Typical Models: Maxwells equations, Helmholtz equation, eikonal equation, radiative transfer equation and its diffusion approximation. Brief review of numerical solutions to the above models: finite element schemes and the method of moments (boundary element method) Linear tomography: Straight path tomography, Born and Rytov approximations in diffraction tomography, algebraic reconstruction techniques. Regularized linear and nonlinear least squares solutions. Frechet derivative calculations, method of adjoints. Approximate tomography: Shape based tomography and topological derivatives Introduction to stochastic reconstruction schemes, maximum likelihood and Bayesian methods, posterior sampling. Applications: Diffuse optical tomography, electrical impedance tomography, refraction tomography, electromagnetic wave tomography, elastography, multimodal tomography
KALMAN FILTERING AND ITS APPLICATIONS
(EE698J)
  1. Introductory concepts: Linear algebra and probability fundamentals
  2. Motivating the basic Kalman filter: Least squares, LMS and RLS algorithms
  3. The linear Kalman filter, constant gain Kalman filters
  4. Filter tuning, expectation maximization.
  5. Bayesian framework, Kalman smoothers, nonlinear and other variants of the Kalman filter (eg.,extended Kalman filter, unscented Kalman filter, particle filter)
  6. Brief introduction to H-Infinity filters
  7. Applications in signal processing, inverse problems and data assimilation.
QUANTUM ELECTRONICS
(PHY644A)
Semiclassical theory of lasers, single and multimode operation, gas laser theory, ring and Zeeman lasers, coherence in lasers. nonlinear optical phenomena, Feynman diagrams in multiphoton problems.
QUANTUM COMPUTING
(CHM696A)
Thermodynamics of computing, Shannon Theory, elementary information theory (2)Basics of computers, Church Turing hypothesis, basics of computing complexity (4)Basic of quantum mechanics, Feynman Block Pseudo polarization Vector Model, Time Dependent Schrodinger equation, basics of approximate quantum approaches (8)Two level Systems, Coherence, Superposition Principle, Density Matrix, Entanglement, Relaxation Processes.(6)Quantum gates and circuits, Theory of Quantum Information and Computation, Deutsch Jozsa algorithm, Shor's algorithm for factoring, Grover's search algorithm and its applications.(8)Quantum Complexity, Quantum Turing Machine. (6) Physical implementations of Quantum Computation, Light polarization, NMR, Cavity QED, IonTraps, Laser matter interaction, Coherent Control.
INTRODUCTION TO BIOPHOTONICS
(PHY610)
Introduction to Biophotonics, Basics of optics and light matter interaction: Reflection, refraction scattering, diffraction, absorption, emission, scattering, Principles of Lasers, Non-linear Optics associated with Biophotonics, Photobiology: Interaction of light with tissue, Bioimaging: Different Optical Imaging techniques: Comparison with other imaging techniques, Microscopy, Spectral and Time resolved Imaging, Applications of bioimaging, Optical Biosensors: fiber optic, evanescent wave, surface plasmon resonance, Bio-nano-photonics
LASERS IN CHEMISTRY AND BIOLOGY
(CHM699A)
Fundamentals of Lasers, laser induced fluorescence and multiphoton ionization processes of molecules, probing IVR and dynamics of chemical reactions in liquid and molecular beam, spectroscopy of single molecule, probing of proton dynamics, optical trapping and manipulations of biological macromolecules and organelles, confocal microscopy and fluorescence correlation spectroscopy, applications to diagnostics and biotechnology

Dr. Rahul Bansal, Postdoctoral Fellow
  Delhi Technological University
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Dr. Ndege Simisi Clovis, Postdoctoral Fellow
  Jawaharlala Nehru University
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Dr. Sudip Kumar Chatterjee, Postdoctoral Fellow
  Indian institute of Technology, Kharagpur
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Dr. Indrajeet Kumar, National Postdoctoral Fellow
  Indian Institute of Technology Guwahati
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Prof. D Goswami, Professor
  Princeton University, Princeton, NJ, USA
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  +91-512-259 7187
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Prof. H Wanare, Professor
  School of Physics, University of Hyderabad, India | Physical Research Laboratory, Ahmedabad, India
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Prof. K Muralidhar, Professor
  University of Delaware,Newark DE, USA
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  +91-512-259-7182(O)
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Prof. Pradeep Kumar, Professor
  IIT Madras
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  0512-259-7570
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Prof. R Vijaya, Professor
  IIT Madras
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  +91-512-259 7552
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Prof. Bharat Lohani, Professor
  University of Reading, UK
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  (91-512) 259 7413
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Prof. P K Panigrahi, Professor
  Louisiana State University, USA
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  +91-512-259-6715 / 7341
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Prof. Naren Naik, Professor
  IISc Bangalore
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  +91 512 259 6518
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Prof. G Rajshekhar, Associate Professor
  Swiss Federal Institute of Technology Lausanne (EPFL), Switzerland
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Prof.Saurabh Mani Tripathi, Associate Professor
  IIT Delhi
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  +91-512-259-6871
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Prof. Shilpi Gupta, Associate Professor
  University of Maryland College Park
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Prof. Pratik Sen, Professor
  IACS (Kolkata) & RIKEN (Japan)
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  +91-512-259 6312
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Prof. Sapam Ranjita Chanu, Assistant Professor
  IISc. Bangalore (INDIA)
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  +91-512-259 6312
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Prof. Ibrahim Sugarno, Associate Professor
  IISc. Bangalore (INDIA)
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  +91-512-259 6345
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