Photonics Science and Engineering

Center for Lasers and Photonics, IIT Kanpur

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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

Recent Publications

  1. Nitish Kumar Gupta,Gaganpreet Singh,Harshawardhan Wanare, S. Anantha Ramakrishna, Kumar Vaibhav Srivastava, and J. Ramkumar, "A low-profile consolidated metastructure for multispectral signature management," J. Opt. (2022).
  2. Naresh Sharma, Govind Kumar, Vivek Garg, Rakesh G. Mote, and Shilpi Gupta,"Reconstructive spectrometer using a photonic crystal cavity," Opt. Express 29, 26645-26657 (2021)
  3. Dipak Rout, Govind Kumar and R Vijaya, "Concurrent deep UV diffractions enabled by the Bragg condition and crystal symmetry in silica inverse opals". J. Phys. D: Appl. Phys. 54 125104 (2021)
  4. Nitish Kumar Gupta, Anjani Kumar Tiwari,Harshawardhan Wanare, S. Anantha Ramakrishna, "Near singular-phase optical biosensing with strongly coupled modes of a plasmonic-photonic trimer," J. Opt. 23, 065003 (2021).
  5. Nitish Kumar Gupta, Harshawardhan Wanare, S. Anantha Ramakrishna, "Design of transparent conducting plasmonic metasurfaces and theory of impedance-matched metastructures," Plasmonics. 15, 2109-2117 (2020).
  6. Gyana Ranjan Sahoo, Shivam Shukla and Asima Pradhan, "Comparison of phase contrast and bright field microscopy through wavelet leader based multifractal analysis for cervical pre-cancer diagnosis." Asian Journal of Physics, 29, 1-20, (2020).
  7. Singh, P., Pandey, P., Shukla, S., Naik, N., & Pradhan, A. "Modelling, Design and Validation of Spatially Resolved Reflectance Based Fiber Optic Probe for Epithelial Precancer Diagnostics" Applied Sciences, 10(24), 8836(2020).
  8. N. Sharma, G. Kumar, V. Garg, R. G. Mote, V. Ramarao and S. Gupta, "Translationally Invariant Generation of Annular Beams Using Thin Films", IEEE Photonics Technology Letters, vol. 32, no. 19, pp. 1273-1276, (2020).
  9. Sudip K Chatterjee and R.Vijaya, Narrowband Ultraviolet Generation in Dispersion-shifted Few-mode Fiber viacombined effect of Intermodal Four-wave mixing and Nonlinear Mode Coupling, Opt. Commun.458,124816, 2020.
  10. Nitish Kumar Gupta, HarshawardhanWanare, S. Anantha Ramakrishna, "Broadband infrared emissivity engineering in optically transparent metamaterials by regulation of electromagnetic resonances," Asian J. Phys. 28, 899-905 (2019).
  11. Dipak Rout*, Govind Kumar* and R.Vijaya, Interplay of dual photonic stopband in fluorescence enhancement from dye-doped photonic crystal heterostructures, J.Nanophot. 13, 046005, 2019.: equal contribution
  12. Arpita Haldar, Govind Kumar and R.Vijaya, Optical Heterostructure with Dual Features of Broad Spectral Distribution and Wide Spatial Diffraction, ACS Appl.Nano Mater. 2, 6655-6661, 2019.
  13. Sravya Rao, Rahul Shaw, Dipak Rout, Govind Kumar, Vijaya R and Shilpi Gupta, Diffraction Imaging of Cracks in Self-assembled Photonic Crystals, Opt.Mat. 91, 189-194, 2019.
  14. Jagadesh Ramaiah,Sreeprasad Ajithaprasad and Gannavarpu Rajshekhar, "Graphics processing unit assisted diffraction phase microscopy for fast non-destructive metrology", Measurement Science and Technology, Volume 30, Number 12, 125202(8pp), 2019
  15. Allaparthi Venkata Satya Vithin, Sreeprasad Ajithaprasad, and Gannavarpu Rajshekhar, "Step phase reconstruction using an anisotropic total variation regularization method in a diffraction phase microscopy", Applied Optics, 58 (26), 7189-7194, 2019
  16. Ankur Vishnoi, Sreeprasad Ajithaprasad and Gannavarpu Rajshekhar, "Wigner-Ville distribution based diffraction phase microscopy for non-destructive testing", Journal of Modern Optics, 66 (16), 1644-1651, 2019
  17. Sreeprasad Ajithaprasad, Raviteja Velpula and Gannavarpu Rajshekhar, Defect detection using windowed Fourier spectrum analysis in diffraction phase microscopy, Journal of Physics Communications, 3, 025006, 2019
  18. Sudip K Chatterjee and R.Vijaya, "Degenerate intermodal four-wave mixing with Q-switched nanosecond pulses in SMF-28 for the generation of discrete ultraviolet-visible wavelengths", OSA Continuum 1, 1360-1369 (Dec 2018)
  19. A Sreeprasad and Gannavarpu Rajshekhar, Non-invasive precision metrology using diffraction phase microscopy and space-frequency method, Optics and Lasers in Engineering, 109, 17-22, 2018
  20. Anupa Kumari, Samir Kumar, Mukesh Kumar Shukla,Govind Kumar, Partha Sona Maji, R Vijaya and Ritwick Das, Coupling to Tamm-plasmon-polaritons: dependence on structural parameters, J. Phys. D: Appl. Phys,51, 255103 (June 2018)
  21. Govind Kumar and R.Vijaya, Band edge- and defect mode-induced emission from photonic crystal heterostructure cavity, J.Opt. Soc. Am. B 35 (1), 61-67 (Jan 2018)
  22. Dipak Rout, Govind Kumar and R.Vijaya, Amplified emission and modified spectral features in an opal heterostructure mediated by passive defect mode localization, J.Phys.D: Appl.Phys 51, 015112 (Jan 2018)
  23. Krishnandu Makhal, Paresh Mathur, Sidharth Maurya, and Debabrata Goswami, "Extracting third order optical nonlinearities of Mn(III)-Phthalocyanine chloride using high repetition rate femtosecond pulses, Journal of Applied Physics", 121,053103, 2017.
  24. Ankita Jain, Pradeep Kumar Krishnamurthy, Pascal Landais and Prince M. Anandarajah, "EKF for Joint Mitigation of Phase Noise, Frequency Offset and Nonlinearity in 400 Gb/s PM-16-QAM and 200 Gb/s PM-QPSK Systems", IEEE Photonics Journal, 9, 1-10, 2017.
  25. Arpita Haldar, M. Srinivas Reddy, and R. Vijaya, "Inexpensive graded-index antireflective surfaces for silicon-based optoelectronic devices", Journal of the Optical Society of America B 33,11, 2016.
  26. Suchita Yadav, Govind Kumar and R.Vijaya, "Spectral features of anti-Stokes and Stokes modes generated by stimulated Raman scattering in liquid toluene", Applied Physics B, 122, 257, 2016.
  27. Ankita Jain, Nishanth Chandra, Abhishek Anchal and Pradeep Kumar Krishnamurthy, "Tunable multiwavelength mode-locked fiber laser using intra-cavity polarization and wavelength dependent loss" in Optics & Laser Technology, 83, pp. 189-194, 2016.
  28. Ankita Jain and Pradeep Kumar Krishnamurthy, "Phase noise tracking and compensation in coherent optical systems using Kalman filter", IEEE communication letters, vol. 20, pp. 1072-1075, 2016.
  29. Arpita Haldar, M Srinivas Reddy and R Vijaya, "Enhancement of light collection through flexible polymeric films patterned using selfassembled photonic crystals", Journal of Physics D: Applied Physics 48, 265103, 2015.
Sl No.Funding AgencyStart DateClosing DateDuration (Years)Principal InvestigatorCo-PIProject TitleProject Category
1 DST 4/1/2012 3/31/2014 2 PRADIPTA K PANIGRAHI MONICA KATIYAR LOCK-IN-THERMOGRAPHY FOR SOLAR CELL AND MODULE CHARACTERIZATION SPONSORED
2 MCIF 1/1/2013 12/31/2016 4 Raj Kumar THAREJA ASIMA PRADHAN ULTRAFAST PHOTONICS PROCESSES AND INTERACTIONS (UP-PI) SPONSORED
3 STPL 4/22/2013 1/31/2014 9 MONTHS (APPROX.) PRADEEP KUMAR K K MURALIDHAR DESIGN OF A DIAMOND COLORIMETER CONSULTANCY
4 DBT 6/5/2013 12/31/2016 3.5 ASIMA PRADHAN SRI SIVAKUMAR
VIJAYA Ramarao		 DIAGNOSIS OF CANCER USING FLUORESCENCE LIFETIME IMAGING SPONSORED
5 DST 2/20/2014 2/19/2016 2 ASIMA PRADHAN RAJEEV GUPTA FEASIBILITY STUDY FOR FABRICATION AND TESTING OF HAND HELD PROBE FOR IN VIVO DETECTION OF CERVICAL PRECANCER BY BIOPSYL LAB IIT KANPUR SPONSORED
6 NRB 9/28/2015 9/27/2018 3 PRADEEP KUMAR K PRADIPTA K PANIGRAHI FIBER-OPTIC HYDROPHONE SENSOR ARRAY FOR UNDERWATER SURVEILLANCE SPONSORED
7 STC 8/12/2016 8/11/2017 1 VIJAYA Ramarao   FEASIBILITY STUDY OF PHOTONIC BANDGAP STRUCTURES FOR SPACE APPLICATIONS SPONSORED
8 SERB 12/26/2016 12/25/2019 3 VIJAYA Ramarao   PHOTONIC FUNCTIONAL CRYSTAL DEVICES SPONSORED
9 MHRD 27-2-2017 27-2-2020 3 ASIMA PRADHAN Pradeep Kumar K In Vivo testing and up-gradation of prototype optical probe for cervical and oral pre cancer detection SPONSORED
10 MHRD 9-5-2017 8-5-2020 3 Vijaya   Optical Coating for High-reflection and Anti-reflection applications SPONSORED
11 STC 1-10-2017 30-9-2020 3 Vijaya   Gigahertz And Terahertz Antenna on Photonic Crystal substrate SPONSORED
12 DST 26/03/2021 25/03/2023 2 ASIMA PRADHAN   Pilot Scale Testing of Smartphone Based Fluorescence Spectroscopic Device For Point-Of-Care Diagnosis Of Early Cervical Cancer SPONSORED
Students NameRoll No.Email Id
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

News & Announcement

  • Prof Shilpi Gupta has been awarded with P.K Kelkar Fellowship from the Institute.
  • Prof Pratik Sen has been awarded with Poonam and Prabhu Goel Chair Professorship.
 

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