Photonics Science and Engineering

Center for Lasers and Photonics, IIT Kanpur

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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.