Prabhakar Pradhan 's Academic

Prabhakar Pradhan
Research Assistant Professor

Northwestern University
McCormick School of Engineering and Applied Science Tech Inst. E310, 2145 Sheridan Rd, Evanston, IL 60208
Tel: 847-372-6205 | Fax: 847-491-4928 | E-mail: pradhan AT northwestern DOT edu

Preprints and Published Papers

    I. Publications in Biophotonics:

    (i) Mesoscopic to nanoscopic light transport properties of cell/tissu and cancer detections.
    (Ideas based on transport in mesoscopic disordered media (condensed matter physics).)

  1. Partial Wave Spectroscopic (PWS) Microscopy : Mesoscopic to nanoscopic light transport properties of a single biological cell and ultra-early detection of cancer
    Prabhakar Pradhan, Y. Liu, Y. Kim, X. Li, R. Wali, H. Roy, V. Backman
    Under Preparation (Abstract)

  2. Quantification of Optical Disorder due to Nanoscale Density Fluctuations in Biological Tissue: Inverse Participation Ratio (IPR) Analysis of Transmission Electron Microscopy Images for Early-Stage Cancer Detection
    Prabhakar Pradhan, D. Damania, V. Turtzski, H. Roy, A. Taflove, V. Backman
    Preprint (2008/2009);   (pdf)

  3. Optical methodology for detecting histologically unapparent nanoscale consequences of genetic alterations in biological cells
    H. Subramanian, Prabhakar Pradhan, Y. Liu, I. Capoglua, X. Li, J. Rogers, A. Heiftez, D. Kunte, H. K. Roy, A. Taflove, and V. Backman
    Proc. Nat. Acad. Sci. USA (PNAS)150, 20124 (2008);   ( pdf )

  4. Partial wave microscopic spectroscopy detects sub-wavelength refractive index fluctuations: an application to cancer diagnosis
    H. Subramanian, Prabhakar Pradhan, Y. Liu, I. Capoglua, J. Rogers, H. K. Roy, and V. Backman
    Optics Letters, 34,(2009) ;   ( pdf )


  5. Nanoscale Cellular Changes in Field Carcinogenesis Detected by Partial Wave Spectroscopy
    H. Subramanian, H. K. Roy, P. Pradhan, M. J. Goldberg, J. Muldoon, R. E. Brand, C. Sturgis, T. Hensing, D. Ray, A. Bogojevic, J. Mohammed, J-S Chang and V. Backman
    Cancer Research 69, 5357 (2009) ;   ( pdf )

    (ii) Interplay between low-coherence properties of light and coherent back scattering, and cancer detection.

  6. Association between Rectal Optical Signatures and Colonic Neoplasia: Potential Applications for Screening
    H. K. Roy, V. Turzhitsky, Y. Kim, M. J. Goldberg, P. Watson, J. D. Rogers, A. J. Gomes, A. Kromine, R. E. Brand, M. Jameel1, A. Bogovejic1, P. Pradhan, and V. Backman
    Cancer Research 69, 4476 (2009) ;   ( pdf )

  7. Low-coherence enhanced backscattering of light: characteristics and applications for colon cancer screening
    Y. Kim, Prabhakar Pradhan, V. Turzhitsky, H. Subramanian, Y. Liu, R. K. Wali, H. K. Roy, and V. Backman
    Proc. SPIE 6446, 644606 (2007);   ( pdf )

  8. Penetration depth of low-coherence enhanced backscattered light in subdiffusion regime
    H. Subramanian, Prabhakar Pradhan, Y. Kim, V. Backman
    Phys. Rev. E 75, 041914 (2007);   ( pdf )

  9. Penetration depth of low-coherence enhanced backscattering photons in the sub-diffusion regime
    H. Subramanian, Prabhakar Pradhan, Y. Kim, V. Backman
    Proc. SPIE 6436, 643605 (2007);   ( pdf )

  10. A model for Quantum Stochastic Absorption in Absorbing Disordered Media
    Prabhakar Pradhan
    Phys. Rev. B. 74, 085107(2006) ;   ( pdf )

  11. Low-coherence enhanced backscattering: review of principles and applications for cancer screening
    Y. Kim, V. M. Turzhitksy, Yang Liu, Hemant. K. Roy, Ramesh K. Wali, H. Subramanian, Prabhakar Pradhan, and V. Backman
    J. Biomed. Opt. V-11, 041125 (2006);   ( pdf )

  12. Circular polarization memory effect in low-coherence enhanced backscattering of light
    Y. Kim, Prabhakar Pradhan, Min H. Kim, and V. Backman
    Opt. Lett. 31, 2744 (2006) ;   ( pdf )
    cond-mat/0607307

  13. Origin of low-coherence enhanced backscattering
    Y. L. Kim, Prabhakar Pradhan, H. Subramanian, Y. Liu, M. Kim, and V. Backman
    Opt. Lett. 31, 1459(2006) ;  ( pdf );  
    The Virtual Journal for Biomedical Optics, Vol.1, Iss. 6, (2006);
    cond-mat/0508591

  14. Photon random walk model of low-coherence enhanced backscattering (LEBS) from anisotropic disordered media: a Monte Carlo simulation
    H. Subramanian, Prabhakar Pradhan, Y. Kim, Y. Liu, X. Li, V. Backman
    Appl.Opt.45, 6292 (2006);   ( pdf )  
    cond-mat/0508538

  15. Modeling low-coherence enhanced backscattering (LEBS) using photon random walk model of light scattering
    H. Subramanian, Prabhakar Pradhan, Y. Kim, Y. Liu, V. Backman
    Proc. SPIE Vol. 6085, p.1-9 (2006), Complex Dynamics and Fluctuations in Biomedical Photonics III; Valery V. Tuchin; Ed. ;
    (pdf) 

    II. Publications in Quantum and Atom Optics:

  16. Suppression of error in qubit rotations due to Bloch-Siegert oscillation via the use of off-resonant Raman excitation
    Prabhakar Pradhan, G. C. Cardoso and M. S. Shahriar
    Accepted in J. Phys. B. (2008) ;   ( pdf )

  17. Light-Shift Imbalance Induced Blockade of Collective Excitations Beyond the Lowest Order
    M.S. Shahriar, Prabhakar Pradhan, G.S. Pati, V. Gopal, and K. Salit
    Opt. Commun. 278, 94 (2007);   ( pdf )
    quant-ph/0604120

  18. In-Situ Observation of the Phase of a Microwave Field using Single-Atom Nonlinear Optics
    G. Cardoso, Prabhakar Pradhan, J. Morzinski, and M.S. Shahriar
    Phys. Rev. A 71, 063408(2005);  (pdf) 
    quant-ph/0410219 

  19. Wavelength Teleportation via Distant Quantum Entanglement
    M.S. Shahriar, Prabhakar Pradhan, V.Gopal, J. Morzinski, G. Cardoso, and G. Pati
    Opt. Commun. 266,349(2006);   ( pdf )
    quant-ph/0309085

  20. Two-dimensional Nanolithography using Atom Interferometry
    A. Gangat, Prabhakar Pradhan, and M.S. Shahriar
    Phys. Rev. A 71, 043606 (2005);   (pdf) 
    quant-ph/0404158 

  21. Demonstration of a Continuously Guided Atomic Interferometer using a Single-Zone Optical Excitation
    M.S. Shahriar, P. Pradhan, Y. Tan, M. Jheeta, J. Morzinsky, P.R. Hemmer
    J. Opt. Soc. Am. B22, 1566 (2005);   (pdf)
    quant-ph/0311163  

  22. Continuously Guided Atomic Interferometry using a Single-Zone Optical Excitation: Theoretical Analysis
    M.S. Shahriar, M. Jheeta, Y. Tan, Prabhakar Pradhan, A. Gangat
    Opt. Commun. 243, 183(2004) ;   ( pdf )  
    quant-ph/0309147  

  23. Driver-phase-correlated fluctuations in the rotation of a strongly driven quantum bit
    M. S. Shahriar, Prabhakar Pradhan and Jacob Morzinski
    Phys. Rev. A 69, 032308 (2004) ;   ( pdf )  
    quant-ph/0205120  

  24. Fundamental limitation on qubit operations due to the Bloch-Siegert Oscillation
    M. S. Shahriar and Prabhakar Pradhan
    "The Proceedings of the 6th International Conference on Quantum Communication, Measurement and Computing (QCMC'02) at MIT, Cambridge"  
    quant-ph/0212121 

    III. Publications in Photon Localization in Disordered Media (Optical/Microwave):
    (Mesoscopic to Nanoscopic Transport Properties of Optical/Electronic Disordered Media)

  25. Spectral Statistics of Microwave in Chaotic and Disordered Billiards
    Prabhakar Pradhan, S. Sridhar, and Wentao Lu
    Under preperation (Abstract)

  26. From chaos to disorder: Statistics of the eigenfunctions of microwave cavities
    Prabhakar Pradhan and S. Sridhar
    Pramana - Journal of Physics 58, 333 (2002);   (pdf )
    cond-mat/0201205

  27. Correlations due to localization in quantum eigenfunctions of disordered microwave cavities
    Prabhakar Pradhan and S. Sridhar
    Phys. Rev. Lett. 85, 2360(2000);   (pdf)
    cond-mat/0003503

  28. Quantum correlations and classical resonances in an open chaotic system
    Wentao Lu, Kristi Pance, Prabhakar Pradhan and S. Sridhar
    Physica Scripta T90, 238 (2001);   (pdf) Proceedings of the Nobel Symposium on ``Quantum Chaos Y2k'',
    nlin.CD/0010038

  29. Quantum computation by optically coupled steady atoms/quantum-dots inside a quantum electro-dynamic cavity
    Prabhakar Pradhan, M. P. Anantram and Kang L. Wang
    quant-ph/0002006 Submitted to Phys. Rev. Lett.

  30. Enhancement of coherent light amplification using Anderson localization
    Prabhakar Pradhan
    cond-mat/9807312
    A shorter version is published in Phys. Rev. B. 74, 085107(2006);

  31. Spin-valve effect in manganese-oxide perovskites : CMR
    N. Kumar, G. V. Vijayagovindan and Prabhakar Pradhan
    Giant Magnetoresistance and Related Properties of Metal Oxides, Edited by C.N.R. Rao and B. Raveau (World Scientific Publishing, Singapore, 1998) pp 305-324

  32. Statictics of super-reflection
    N. Kumar, Prabhakar Pradhan and A. M. Jayannavar
    Superlattices and Microstructures, 23, 853(1998);   (pdf)

  33. Geometric phase for a dimerized disordered continuum: Topological shot noise
    Prabhakar Pradhan and N. Kumar
    Europhys. Lett. 44, 131(1998);   ( pdf );
    cond-mat/9712175

  34. Random Amplifying Media: Mirrorless Laser ,
    Prabhakar Pradhan and N. Kumar
    Proceedings of the National(Indian) Laser Symposium (Dec. 1997, PRL, Ahmedabad (India)) pp-70-72.

  35. Transport and localization of waves in one-dimensional disordered media: Random phase approximation and beyond
    Prabhakar Pradhan
    cond-mat/9703255

  36. Comment on 'The mapping of the Coulomb problem in to the oscillator', by David S. Bateman, Clinton Boyd and Binayak Dutta-Roy, [Am. J. Phys. 60 (9), 833-836(1992)]
    Prabhakar Pradhan
    Am. J. Phys. 63, 664(1995) ;   ( pdf )

  37. Localization of light in coherently amplifying random media
    Prabhakar Pradhan and N. Kumar
    Phys. Rev. B50, 9644(1994);   (pdf )
    * Click here to know more about "Mirrorless Laser" and papers published based on this paper

  38. Length-scale-dependent ensemble-averaged conductance of a 1D disordered conductor : Conductance minimum
    Nacir Tit, Prabhakar Pradhan and N. Kumar
    Phys. Rev. B49, 14715(1994)

  39. Suppression of conductance fluctuations in short one-dimensional conductors
    Prabhakar Pradhan and N. Kumar
    Phys. Rev. B48, 5661(1993)

  40. Energy Band of One-dimensional Lattice with Two Rectangular Potential Barrier Per Unit Cell
    Prabhakar Pradhan, Mihir Arjunwadkar and Avinash Joshi
    Physics Education(India) 9, 343(1993)

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