Fibre and Quantum Optics Laboratory

Faculty:


Ph.D Students:
  • Syed Tajammul Ahmad

M.Tech Students:
  • Alok Jangid
  • Ankit Lodha
  • Arvind Kumar
  • Mukund Kumar
  • Ashish Vyas

Facilities:
  • 10 Gbps External Mach-Zehnder Optical Modulator
  • 40 Gbps DQPSK Optical Modulator
  • Agilent 86142B Optical Spectrum Analyzer
  • Fiber Polarization Controller FPC030
  • Net Test 50LS8335XX Optical Test Source (Fabry-Perot Laser diode, 1550nm)
  • Net Test Power Meters
  • Optical Amplifier
    contains
    • Amp 901 type B2
    • DB9 Connectors(2 pic)
    • LDC & TEC Driver
    • Power Chord(2 pic)
  • Optical Bread boards
  • Optical fibres (MMF: 20 km, SMF: 5km, SMSP: 200m)
  • Optical mounts and translation stages

Research:
  • Optical Fibre Communication
  • Quantum key distribution
  • Quantum and Nonlinear fibre optics

Publications:
  • 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
  • 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
  • Kumar. P, "Optical modulation schemes for frequency-coded quantum key distribution", To appear, National Conf on Communications, NCC, Jan 2010
  • Kumar. P and Prabhakar. A, "All-fibre autocorrelator for optical pulse width measurement", Proc. SPIE, Vol. 6875, 68751F, 2008
  • Kumar. P, Thevan. S and Prabhakar. A, "Designing practical quantum communication systems", Proc. 14th National Conf. on Communications, IIT Bombay, Mumbai, India, 2008
  • 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
  • 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
  • Bhattacharya. S and Kumar. P, "Decoy-state method for N-channel SCM FC-QKD", Frontiers in Optics, Rochester, Oct 2012 (Accepted for presentation)
  • Anchal. A and Kumar. P, "Bidirectional pumping for entangled photons", Nonlinear Photonics (OSA Topical Meeting), Colorado, June 2012
  • Kumar. P, "Quantum computing using magneto-optic Kerr effect", Proc. of International Conference on Quantum Optics and Quantum Computing (ICQOQC), Madrid, March 2012
  • 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
  • Bhattacharya. S and Kumar. P, "Decoy-pulse protocol for frequency-coded quantum key distribution", Proc. of National Conf on Communications, NCC, Jan 2012
  • 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

Projects:
  • Optical Device Characterization and Fibre Optics Virtual Lab, (Joseph John and Pradeep Kumar) Sponsored Project from MHRD on National Mission on Education through ICT
  • Protection Devices for Urban and Rural Exchanges, (Joseph John) BSNL project
  • Decoy state method for frequency-coded QKD (Pradeep Kumar) Initiation grant from IIT Kanpur
  • Fiber-optic entangled photon pair generation for generation for quantum key distribution and quantum optics

Contact Person:
Dr. Pradeep Kumar K
Email: pradeepk@iitk.ac.in
Phone: 91-512-259-7570
Location: ACES 323 and 327

Photos: