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. Reflection statistics of weakly disordered optical medium when its mean refractive index is different from the outside medium
    P. Pradhan, D. J. Park, I. Capoglu, H. Subramanian, D. Damania, L. Charkezyan, A. Taflove, and V. Backman
    Optics Express , 2012
    Link to the journal   /   PDF

  3. Nanocytology of Rectal Colonocytes to Assess Risk of Colon Cancer Based on Field Cancerization
    D. Damania, H. Roy, H. Subramanian, D. Weinberg, D. Rex, M. Goldberg, J. Muldoon, Y. Zhu, L. Bianchi, D. Shah, P. Pradhan, M. Borkar, H. Lynch, and V. Backman
    Cancer Research 72 , 1-8 (2012)
    Link to the journal   /   PDF

  4. Open source software for electric field Monte Carlo simulation of coherent backscattering in biological media containing birefringence
    A. J. Radosevich, J. D. Rogers, I. R. Capoglu, N. N. Mutyal, P. Pradhan, and V. Backman
    J. Bio. Med. Opt. 17 ,115001 (2012)
    Link to the journal   /   PDF

  5. Quantification of nanoscale density fluctuations by electron microscopy: probing cellular alterations in early carcinogenesis
    Prabhakar Pradhan, D. Damania, H. Joshi, V. Turzhitsky, H. Subramanian, H. K. Roy, A. Taflove, V. P. Dravid, V. Backman
    Physical Biology 8, 026012 (2011)
    Link to the journal   /   PDF

  6. Influence of chromosome density variations on the increase in nuclear disorder strength in carcinogenesis
    J. S. Kim, P. Pradhan, V. Backman, and I. Szleifer
    Physical Biology 8, 015004 (2011)
    Link to the journal   /   PDF

  7. Alternate formulation of enhanced backscattering as phase conjugation and diffraction: derivation and experimental observation
    Jeremy D. Rogers, Valentina Stoyneva, Vladimir Turzhitsky, Nikhil N. Mutyal, Prabhakar Pradhan, Ilker R. Çapoglu, and Vadim Backman
    Optics Express 8, 11922 (2011)
    Link to the journal   /   PDF

  8. "Quantification of Nanoscale Density Fluctuations using Electron Microscopy: Light Localization Properties of Biological Cells"
    Prabhakar Pradhan, D. Damania, H. Joshi, V. Turzhitsky, H. Subramanian, H. K. Roy, A. Taflove, V. P. Dravid, V. Backman
    Applied Physics Letters 97 , 243704 (2010)
    Link to the journal   /   PDF

  9. Biophotonics Detection of Buccal Epithelial Nano-Architectural Alterations in Patients Harboring Lung Cancer: Implications for Screening
    H. K. Roy, H. Subramanian, D. Damania, T. Hensing, D. Ray, A. Bogojevic, P. Pradhan, J. Rogers, N. Hasabou, I. Caopglu, V. Backman
    Cancer Research 70 , 774854 (2010)
    Link to the journal   /  PDF

  10. Role of Cytoskeleton in Controlling the Disorder Strength of Cellular Nanoscale Architecture
    D. Damania, H. Subramanian, A. K. Tiwari, Y. Stypula, D. Kunte, P. Pradhan, H. K. Roy, V. Backman
    Biophysical Journal 99, 989, (2010)
    Link to the journal   /   PDF

  11. 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)
    Link to the journal   /   PDF

  12. 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)
    Link to the journal   /   PDF

  13. 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)
    Link to the journal   /   PDF

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

  14. 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)
    Link to the journal   /   PDF

  15. 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)
    Link to the journal   /   PDF

  16. 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)
    Link to the journal   /   PDF

  17. 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)
    Link to the journal   /   PDF

  18. A model for Quantum Stochastic Absorption in Absorbing Disordered Media
    Prabhakar Pradhan
    Phys. Rev. B. 74 , 085107(2006)
    Link to the journal ;   /   PDF

  19. 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 11, 041125 (2006)
    Link to the journal   /   PDF

  20. 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)
    Link to the journal   /   PDF   /   cond-mat/0607307

  21. 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);   The Virtual Journal for Biomedical Optics, Vol.1, Iss. 6, (2006);
    Link to the journal   /   PDF

  22. 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
    Applied Optics 45, 6292 (2006)
    Link to the journal   /   PDF   /   cond-mat/0508538

  23. 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.
    Link to the journal   /  PDF


    II. Publications in Quantum and Atom Optics:

  24. 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)
    Link to the journal   /   PDF

  25. 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)
    Link to the journal   /   PDF   /   quant-ph/0604120

  26. 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
    Physical Review A 71, 063408(2005)
    Link to the journal   /   PDF   /   quant-ph/0410219 

  27. Wavelength Teleportation via Distant Quantum Entanglement
    M.S. Shahriar, Prabhakar Pradhan, V.Gopal, J. Morzinski, G. Cardoso, and G. Pati
    Optics Communications 266, 349(2006)
    Link to the journal   /   PDF   /   quant-ph/0309085

  28. Two-dimensional Nanolithography using Atom Interferometry
    A. Gangat, Prabhakar Pradhan, and M.S. Shahriar
    Phys. Rev. A 71, 043606 (2005)
    Link to the journal   /   PDF   /   quant-ph/0404158 

  29. 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
    Journal of the Optical Society of America B 22, 1566 (2005)
    Link to the journal   /   PDF   /   quant-ph/0311163  

  30. 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)
    Link to the journal   /   PDF   /   quant-ph/0309147  

  31. 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)
    Link to the journal   /   PDF   /   quant-ph/0205120  

  32. 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)

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

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

  35. Correlations due to localization in quantum eigenfunctions of disordered microwave cavities
    Prabhakar Pradhan and S. Sridhar
    Phys. Rev. Lett. 85, 2360 (2000)
    Link to the journal   /   PDF   /   cond-mat/0003503

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

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

  38. Enhancement of coherent light amplification using Anderson localization
    Prabhakar Pradhan
    Phys. Rev. B 74 , 085107(2006)
    Link to the Journal   /   cond-mat/9807312

  39. 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

  40. Statictics of super-reflection
    N. Kumar, Prabhakar Pradhan and A. M. Jayannavar
    Superlattices and Microstructures 23, 853(1998)
    Link to the journal   /   PDF

  41. Geometric phase for a dimerized disordered continuum: Topological shot noise
    Prabhakar Pradhan and N. Kumar
    Europhys. Lett. 44 , 131(1998)
    Link to the journal   /   PDF   /   cond-mat/9712175

  42. 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.

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

  44. 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)
    Link to the journal   /   PDF

  45. Localization of light in coherently amplifying random media
    Prabhakar Pradhan and N. Kumar
    Phys. Rev. B 50, 9644 (1994)
    Link to the journal   /   PDF
    * Click here to know more about "Mirrorless Laser" and papers published based on this paper

  46. Length-scale-dependent ensemble-averaged conductance of a 1D disordered conductor : Conductance minimum
    Nacir Tit, Prabhakar Pradhan and N. Kumar
    Phys. Rev. B 49, 14715(1994)
    Link to the journal   /   PDF

  47. Suppression of conductance fluctuations in short one-dimensional conductors
    Prabhakar Pradhan and N. Kumar
    Phys. Rev. B 48, 5661(1993)
    Link to the Journal   /   PDF

  48. 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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