Pradeep Kumar K
Home

Research

Teaching

Personal

Useful Links

Journals

  1. A. Joshi, I. Sharma, P. K. Krishnamurthy, "Semi-analytical approach for calculation of intercore crosstalk in multicore fibers", Optical Fiber Technology, Vol. 60, 102366, 2020.
  2. Arpita S. Roy and P. K. Krishnamurthy, "Brillouin Induced Self-heterodyne Method for Low Jitter Measurement of Laser Linewidth", JOSA B, Vol. 36, No. 11, pp. 3145-3150, 2019.
  3. Ashitosh V. Velamuri, Krupal Patel, Ishan Sharma, Shakti S Gupta, Sandeep Gaikwad, and P. K. Krishnamurthy, "Investigation of Planar and Helical Bend Losses in Single and Few-Mode Optical Fibers", IEEE Journ. of Lightwave. Tech., Vol. 37, No. 14, July 2019.
  4. A. Anchal, P. K. Krishnamurthy, S O'Duill, P. M Anandarajah, and P. Landais, "Compensation of nonlinearity in a fiber-optic transmission system using frequency-degenerate phase conjugation through counter-propagating dual pump FWM in a semiconductor optical amplifier", Journal of Optics, Vol. 20, No. 4, 045702, 2018.
  5. A. Pandey, A. Sharma, and P. K. Krishnamurthy, "16 Gbps Random Bit Generation using Chaos in Near-Symmetric Erbium-doped Fiber Ring Laser", Applied Optics, Vol. 56, No. 34, pp. 9526-9530, 2017.
  6. S. Mirg, A. Jain, A. Pandey, P. K. Krishnamurthy, and P. Landais,"Experimental demonstration of 12.5 GHz wideband chaos in symmetric dual-port EDFRL", Applied Optics, Vol. 56, pp. 7939-7943, 2017.
  7. A. Jain, P. K. Krishnamurthy, P. Landais, and P. Anandarajah, "EKF for Joint Mitigation of Phase Noise, Frequency Offset and Nonlinearity in 400 Gbps PM-16-QAM and 200 Gbps PM-QPSK Systems", IEEE Journal of Photonics, 2017 (Open access, 10.1109/JPHOT.2017.2649223).
  8. S. T. Ahmad and P. K. Krishnamurthy, "Radial Basis Function Neural Network Nonlinear Equalizer for 16-QAM Coherent Optical OFDM", IEEE Photonics Technology Letters, Vol. 28, No. 22, pp. 2507-2510, 2016 (Open access, DOI:10.1109/LPT.2016.2601901).
  9. A. Anchal, P. K. Krishnamurthy, and P. Landais, "Mitigation of nonlinear effects through frequency shift free mid-span spectral inversion using counter-propagating dual pumped FWM in fiber", Journal of Optics, Vol. 18, No. 10, 2016 (http://dx.doi.org/10.1088/2040-8978/18/10/105703).
  10. A. Jain and P. K. Krishnamurthy, "Phase Noise Tracking and Compensation in Coherent Optical Systems Using Kalman Filter", IEEE Communications Letters, Vol. 20, No. 6, pp. 1072-1075, 2016 (DOI:10.1109/LCOMM.2016.2550429).
  11. A. Anchal, P. K. Krishnamurthy, S O'Duill, P. M Anandarajah, and P. Landais, "Experimental Demonstration of Optical Phase Conjugation using Counter-propagating Dual Pumped Four-wave Mixing in Semiconductor Optical Amplifier", Optics Communications, Vol. 369, pp. 106-110, 2016 (http://dx.doi.org/10.1016/j.optcom.2016.02.040).
  12. A. Anchal, P. K. Krishnamurthy, and P. Landais, "Frequency-shift free optical phase conjugation using counter-propagating dual pump four-wave mixing in fiber", Journal of Optics, Vol. 18, No. 3, 2016 (http://dx.doi.org/10.1088/2040-8978/18/3/035503).
  13. A. Jain, N. Chandra, A. Anchal, and P. K. Krishnamurthy, "Tunable multiwavelength mode-locked fiber laser using intra-cavity polarization and wavelength dependent loss", Optics and Laser Technology, Vol. 83, pp. 189-194, 2016.
  14. S. T. Ahmad and P. K. Krishnamurthy, "Normalized LMS filter for chromatic dispersion compensation in single polarization 40 Gbps CO-OFDM system in presence of timing and frequency offsets", Optik, Vol 127, No 2, pp. 668-672, 2015.
  15. Bhattacharya. S and P. K. Krishnamurthy, "Decoy-state method for subcarrier multiplexed frequency-coded quantum key distribution", J. Opt. Soc. Am B, Vol. 30, No. 4, April 2013.
  16. P. K. Krishnamurthy and Prabhakar. A, "Quantum key distribution using spin wave--optical interactions", IEEE Journ. of Quantum Electronics, Feb, Vol 45, 2010.
  17. Kumar. P and Prabhakar. A, "Evolution of quantum states of light in an electro-optic phase modulator", IEEE Journ. of Quantum Electronics, Feb, Vol 45, 2009.
  18. Kumar. P and Prabhakar. A, "Bit error rate of a frequency coded quantum key distribution system", Optics Communications, Vol 282, No 18, pp. 3827-3833, 2009.

Conference Proceedings

  1. S. Sharma and P. K. Krishnamurthy, "Laser and Nonlinear Phase Noise Tracking and Estimation in Long Haul 400 Gbps Single Carrier PDM-16-QAM Systems using Multi-step Kalman Filter”, SPCOM, India, 2020
  2. Y. Mishra, S. Sharma, and P. K. Krishnamurthy, "Radial Basis Function Neural Network for 112 Gbps 16-QAM Coherent Optical Communication”, Asia photonics conference (ACP), China, 2019
  3. S. Sharma and P. K. Krishnamurthy, "Carrier Phase Tracking and Recovery using Multi-step Kalman Filter in 16-QAM System”, Asia photonics conference (ACP), China, 2019
  4. S. Mirg and P. K. Krishnamurthy, "Passive Path Imbalance Measurement in Fiber-Optic Interferometer using Homodyne PGC Scheme”, PHOTOPTICS-7, Prague, 2019
  5. A. V Velamuri and P. K. Krishnamurthy, "Empirical Study of Helical Bend Loss in Optical Fibers”, PHOTOPTICS-7, Prague, 2019
  6. A. Anchal, P. Kumar, S. O'Dull, P. M. Anandarajaiah, and P. Landais, "Direct Observation of Optical Phase Conjugation using Counter-propagating Dual Pumped FWM in SOA", Photoptics-4, Rome, Feb 27-29, 2016
  7. A. Jain and Kumar P, "Tracking linear and nonlinear phase noise in 100G QPSK modulated systems using Kalman filter", In Photonic Networks and Devices (pp. JM3A-8). APC 2015
  8. N. Chandra, A. Jain, and Kumar. P, "Tunable Multi-wavelength Fiber Laser Using Polarization and Wavelength Dependent Loss", In Photonic Networks and Devices (pp. NeT1D-4). APC 2015
  9. N. Goswamy and P. Kumar, "8-ary PSK for quantum key distribution protocol," Proc. of International conference on fiber optics and photonics, Optical society of America, IIT Kharagpur, INDIA (13-16th Dec 2014)
  10. A. Anchal and P. Kumar, "Phase conjugation without frequency shift using dual pumped bidirectional FWM in optical fibers," Proc. of International conference on fiber optics and photonics, Optical society of America, IIT Kharagpur, INDIA (13-16th Dec 2014)
  11. A. Anchal and P. Kumar, "Generation of CW squeezed light at 1550nm using optical phase conjugation in fiber," Proc. of International conference on fiber optics and photonics, Optical society of America, IIT Kharagpur, INDIA (13-16th Dec 2014)
  12. A. Anchal and P. Kumar, "Frequency-shift free MSSI for dispersion compensation of advanced modulation formats using dual pump bidirectional FWM," Proc. of International conference on fiber optics and photonics, Optical society of America, IIT Kharagpur, INDIA (13-16th Dec 2014)
  13. A. Jain, A. Anchal, and P. Kumar, "Polarization tuned multiwavelength active mode-locked laser," Proc. of International conference on fiber optics and photonics, Optical society of America, IIT Kharagpur, INDIA (13-16th Dec 2014)
  14. A. Anchal and P. Kumar, "Generation of quadrature squeezed light using phase conjugate mirror in optical fiber," Entanglement detection and quantification conference, Bilbao, SPAIN (10-13th March 2014)
  15. A. Vyas, R. Maheshwari, P. Kumar, N. Naik, "Dual antenna array for radiolocation of RCIED trigger", Proc. of 20th National Conference on Communications, IIT Kanpur, Kanpur, 2014
  16. A, Jain, S. Yadav, P. Kumar, and R. Vijaya, "Pump suppressed four-wave mixing in optical fibers for correlated photon generation using feedback technique", SPIE Photonics West 2014, San Francisco, USA, 2014
  17. A. Jain and P. Kumar, "RF Pulse shaping for higher-order modulation formats", Proc. National Conference on Communications, NCC Feb 2014
  18. M. Anandan, A. Jain, S. T. Ahmad, and Kumar. P, "RF pulse shaping for QPSK, PM-QPSK and QAM formats," Frontiers in Optics 2013 (paper FW4B.6.)
  19. S. T. Ahmad and Kumar. P, "RF pulse shaping for coherent optical OFDM," Frontiers in Optics 2013 (paper FW4B.7.)
  20. Anchal. A and Kumar. P, "Bidirectional pumping scheme for entangled photon generation", Proc. of International conference on fiber optics and photonics, Optical society of America, Chennai, India, Dec 2012
  21. I.I. Syvorotka, I.M. Syvorotka, A. Prabhakar, P. Kumar, "Epitaxial Garnet Films for Magnetostatic Wave-Optical Mode Interaction", Proc. of International conference on fiber optics and photonics, Optical society of America, Chennai, India, Dec 2012
  22. Anchal. A and Kumar. P, "Bidirectional pumping scheme for entangled photon generation", IONS Asia-2, Chennai, India, Dec 2012
  23. Mukund. A, Choudhary. S, and Kumar. P, "OFDM for Frequency Coded Quantum Key Distribution", Photonics 2012, Chennai, India, Dec 2012
  24. Choudhary. S, Mukund. A, and Kumar. P, "Decoy State Protocol for OFDM based Quantum Key Distribution", Photonics 2012, Chennai, India, Dec 2012
  25. Mukund. A, Choudhary. S, and Kumar. P, "OFDM for frequency-coded quantum key distribution", IONS Asia-2, Chennai, India, Dec 2012
  26. Choudhary. S, Mukund. A, and Kumar. P, "Decoy State Protocol for OFDM based Quantum Key Distribution", IONS Asia-2, Chennai, India, Dec 2012
  27. Bhattacharya. S and Kumar. P, "Decoy-state method for N-channel SCM FC-QKD", Frontiers in Optics, Rochester, NY, USA, Oct 2012
  28. Anchal. A and Kumar. P, "Bidirectional FWM for entangled photon generation", Frontiers in Optics, Rochester, NY, USA, Oct 2012
  29. Anchal. A and Kumar. P, "Bidirectional pumping for entangled photons", Nonlinear Photonics (OSA Topical Meeting), Colorado, June 2012
  30. Kumar. P, "Quantum computing using magneto-optic Kerr effect", Proc. of International Conference on Quantum Optics and Quantum Computing (ICQOQC), Madrid, March 2012
  31. Bhattacharya. S, Pandey. P, and Kumar. P, "Decoy-pulse protocol for frequency-coded quantum key distribution",Proc. of International Conference on Quantum Optics and Quantum Computing (ICQOQC), Madrid, March 2012
  32. Bhattacharya. S and Kumar. P, "Decoy-pulse protocol for frequency-coded quantum key distribution", Proc. of National Conf on Communications, NCC, Jan 2012
  33. Kumar. P and Prabhakar. A, "Frequency-coded scheme for BB84 QKD protocol using spin wave--optical interactions", Proc. of SPIE Photonics West, San Diego, USA, Jan 2011
  34. Kumar. P, "Optical modulation schemes for frequency-coded quantum key distribution", Proc. of National Conf on Communications, NCC, Jan 2010
  35. Kumar. P and Prabhakar. A, "Magnon-Photon interactions for quantum key distribution", Joint European Magnetics Symposium (JEMS-10), Krakow, Aug 2010
  36. Kumar. P and Prabhakar. A, "All-fibre autocorrelator for optical pulse width measurement", Proc. SPIE, Vol. 6875, 68751F, 2008
  37. Kumar. P, Thevan. S and Prabhakar. A, "Designing practical quantum communication systems", Proc. 14th National Conf. on Communications, IIT Bombay, Mumbai, India, 2008
  38. Kumar. P and Prabhakar. A, "Bit error rate of a frequency coded quantum key distribution system", National Conf. on Communication, IIT Guwahati, Guwahati, India, 2009
  39. Kumar. P and Prabhakar. A, "Dispersion measurement of single mode optical fibre using intensity modulators", Proc. of 13th National Conf. on Communications, IIT Kanpur, Kanpur, India, 2007.
  40. Kumar. P and Prabhakar. A, "Dispersion measurement of single mode optical fibre using intensity modulators", Progress in ultra-fast tunable optics (PTULPA), IIT Madras, Chennai, India, 2006.
  41. Kumar. P, Thomas. A and Prabhakar. A, "Photon statistics of attenuating medium using cascade beam splitter model", Proc. Eigth Intl. Conf. Optoelectronics, Fibre optics and Photonics, Hyderabad, India, 2006.

Students: Past (M.Tech)

  1. Sudeshna Bhattacharya
  2. Abhishek Anchal
  3. Mukund Anandan
  4. Swati Bhugra
  5. Alok Jangid
  6. Arvind Kumar
  7. Ashish Vyas
  8. Neha Goswamy
  9. Udit Narayan
  10. Nishant Chandra

Students: Present (PhD)

  1. Syed Tajamul Ahmad
  2. Abhishek Anchal
  3. Ankita Jain
  4. Arpita

Students: Present (MTech/M.S.)

  1. Akash Dixit
  2. Akash Pandey
  3. Priyank
  4. Govind Kumar

EE HomeIITK Home