
Authors 
Title 
Journal Ref 

210429 
C. Roychoudhuri 
Cosmic Ether, Possessing ElectricTension and MagneticResistance, Is the Unified Field for Physics 
Journal of Modern Physics, 2021, 12, 671699 

2020.2 
C. Roychoudhuri 
Complete Information Retrieval: A Fundamental Challenge 
FQXi Essay Contest Entry 

2020.1 
Roychoudhuri, C.; Fernando, G.; Tirfessa, N.; Prasad, N. 
Contrasting quantum sensing light source properties, which generate different photocurrent pulsestatistics 
Proc. SPIE 11288, Quantum Sensing and Nano Electronics and Photonics XVII, 112880F (31 January 2020); doi: 10.1117/12.2551090 

2019.6 
C. Roychoudhuri 
Differentiating the Superposition Principle from the Measurable Superposition Effects in Interferometry 
Chapter in Interferometry 

2019.4 
C. Roychoudhuri 
Developing causal interpretations for high and low level light used in quantum remote sensing 
Proc. SPIE 11128, Infrared Remote Sensing and Instrumentation XXVII, 111280M (9 September 2019); doi:10.1117/12.2533994 

2019.3 
C. Roychoudhuri; N. Tirfessa 
Bringing reality in physics: System engineering approach to optical phenomena following Huygens' Principle 
Proc. SPIE 11143, Fifteenth Conference on Education and Training in Optics and Photonics: ETOP 2019, 111433A (2 July 2019); doi:10.1117/12.2523602 

2019.2 
N. Tirfessa;C. Roychoudhuri 
Similarities and differences in microwave and optical radiation detection 
Proc. SPIE 11143, Fifteenth Conference on Education and Training in Optics and Photonics: ETOP 2019, 111433W (2 July 2019); doi: 10.1117/12.2525442 

2019.1 
C. Roychoudhuri; N. Prasad 
Complex interaction processes we need to visualize that successfully fill the quantum cup of a detector 
Proc. SPIE 10926, Quantum Sensing and Nano Electronics and Photonics XVI (22 March 2019); doi:10.1117/12.2514835 

2018.1 
C. Roychoudhuri 
The concept of "fundamental" must keep evolving 
FQXi Essay Contest Entry 

2017.4 
C. Roychoudhuri 
Reenergizing Enquiry among our young professionals 
2017 ETOP Conference; Paper # ETP 10043 

2017.3 
C. Roychoudhuri 
Consequences of repeated discovery and benign neglect of NonInteraction of Waves (NIW) 
2017 ETOP Conference; Paper # ETP 10036 

2017.2 
C. Roychoudhuri 
Demonstration & implications when 50% beam combiners can behave as 0% or 100% reflector/transmitter inside some interferometers 
2017 ETOP Conference; Paper # ETP 10083 

2017.1 
C. Roychoudhuri 
Empower Mathematical Equations Using Evolution Process Congruent Thinking 
2017 FQXi Essay Contest Entry 

2016.x 
C. Roychoudhuri 
Aquaponics as a small eco system: A potential tool in every family to educate the children to become ecosavvy 
IIT Bombay Heritage Foundation & IIT Bombay Alumni Association Kolkata Chapter 

2015.6 
C. Roychoudhuri 
Urgency of evolution process congruent thinking in physics 
Proc. SPIE Vol. 95707(2015) 

2015.5 
C. Roychoudhuri; M. Ambroselli 
Could space be considered as the inertial rest frame? 
Proc. SPIE Vol. 957030(2015) 

2015.4 
M. Ambroselli;C. Roychoudhuri 
Did Planck, Einstein, Bose count indivisible photons, or discrete emission / absorption processes in a blackbody cavity? 
Proc. SPIE Vol. 95709(2015) 

2015.3 
C. Roychoudhuri; M. Ambroselli 
Modelling superposition of 3 & Npolarized beams on an isotropic photo detector 
Proc. SPIE Vol. 957046(2015) 

2015.2 
N. Prasad;C. Roychoudhuri 
Tabletop demonstration of NonInteraction of Photons and NonInteraction of Waves 
Proc. SPIE Vol. 957047(2015) 

2015.1 
C. Roychoudhuri 
"Review of: ""Light: The Physics of Photons"" by Ole Keller, CRC Press, Boca Raton, Fl. 2014" 
Am. J. Phys. 83 (3), pp.2867, March 2015 

2014.3 
C. Roychoudhuri 
"Superposition Effect is a ""local"" phenomenon when we investigate the process behind release of photo electrons" 
Latin America Optics and Photonics Conference, 2014 

2014.2 
C. Roychoudhuri 
Causal Physics  Photon Model by NonInteraction of Waves  Ch. 12: Evolving Scientific Inquiry 
CRC/Taylor and Francis, 2014 

2013.1 
N. Prasad;C. Roychoudhuri 
Does the Coherent Lidar System Corroborate NonInteraction of Waves (NIW)? 
Proc. SPIE Vol. 88328(2013) 

2013.2 
N. Prasad;C. Roychoudhuri 
Understanding beam alignment in a coherent lidar system 
Proc. SPIE Vol. 88329(2013) 

2013.3 
C. Roychoudhuri 
How would photons describe natural phenomena based upon their physical experiences? 
Proc. SPIE Vol. 883234(2013) 

2013.4 
C. Roychoudhuri;M. Ambroselli 
Can one distinguish between Doppler shifts due to sourceonly and detectoronly velocities? 
Proc. SPIE Vol. 88322(2013) 

2013.5 
C. Roychoudhuri 
"Tribute to H. John Caulfield  Hijacking the ""Holographic Principle"" by cosmologists" 
Proc. SPIE Vol. 883315(2013) 

2012.1 
C. Roychoudhuri;N. Prasad 
Discerning comb and Fourier mean frequency from a fs laser, based on the principle of noninteraction of waves 
Proc. SPIE Vol. 8236, paper #16 (2012). 

2012.2 
C. Roychoudhuri 
Next Frontier in Physics  Space as a Complex Tension Field 
Journal of Modern Physics, 2012, 3, 13571368 

2011.1 
C. Roychoudhuri;M. Barootkoob;M. Ambroselli 
The constancy of c everywhere requires the cosmic space to be a stationary and complex tension field 
SPIE Conf. Proc. Vol.812123 (2011). 

2011.2 
C. Roychoudhuri 
Appreciation of the nature of light demands enhancement over the prevailing scientific epistemology 
in this volume; Proc. SPIE Vol.8121 58 (2011). 

2011.3 
N. Tirfessa;C. Roychoudhuri 
Analysis of spectrometric data and detection processes corroborate photons as diffractively evolving wave packets 
Proc. SPIE Vol.812133 (2011). 

2011.4 
C. Roychoudhuri 
Reinterpreting coherence in light of NonInteraction of Waves, or the NIWPrinciple 
SPIE Conf. Proc. Vol.812144 (2011). 

2011.5 
M. Ambroselli;C. Roychoudhuri 
Visualizing superposition process and appreciating the principle of NonInteraction of Waves 
Proc. SPIE Vol. 812149 (2011). 

2011.6 
M. Ambroselli;P. Poulos;C. Roychoudhuri 
Nature of EM waves as observed & reported by detectors for radio, visible and gamma frequencies 
Proc. SPIE Vol.812141 (2011). 

2011.8 
C. Roychoudhuri 
Exploring lightmatter interaction processes to appreciate various successes behind the Fourier theorem! 
A tribute conf. to Joseph Goodman. SPIE Proc. Vol.812215 (2011). 

2010.1 
C. Roychoudhuri 
Principle of noninteraction of waves 
J. Nanophotonics., Vol. 4, 043512 (2010); doi:10.1117/1.3467504. 

2010.3 
C. Roychoudhuri 
Various Ambiguities in Generating and Reconstructing Laser Pulse Parameters 
Ch.7 in Laser Pulse Phenomena and Applications; Ed. F. J. Duarte; InTech (2010). 

2009.1 
C. Roychoudhuri 
The consilient epistemology: structuring evolution of logical thinking 
Chap. 16 in Proc. 1st Interdisciplinary CHESS Interactions Conf., Eds. C. Rangacharyulu and E. Haven; Imperial College Press, London (2009). 

2009.3 
C. Roychoudhuri 
Why we need to continue the 'What is a Photon?' conference: to revitalize classical and quantum optics 
keynote presentation; SPIE Conf. Proc. Vol. 742128 (2009). 

2009.4 
C. Roychoudhuri 
Comments on the panel discussions: Is indivisible single photon really essential for quantum communications, computing and encryption? 
SPIE Conf. Proc. Vol. 7421(2009). 

2009.5 
A. Muthukrishnan;C. Roychoudhuri 
Indivisibility of the Photon. 
SPIE Proc. Vol. 74214 (2009). 

2009.7 
Q. Peng;M. Barootkoob;C. Roychoudhuri 
What can we learn by differentiating between the physical processes behind interference and diffraction phenomena? 
SPIE Proc. Vol. 74219 (2009). 

2008.2 
C. Roychoudhuri 
Inevitable incompleteness of all theories: an epistemology to continuously refine human logics towards cosmic logics 
Ch.6 in The Nature of Light: What is a Photon? by C. Roychoudhuri, A. F. Kracklauer & Kathy Creath; CRC/Taylor & Francis (2008). 

2008.3 
C. Roychoudhuri 
Can photo sensors help us understand the intrinsic difference between quantum and classical statistical behavior? 
AIP Conf. Proc. Vol.1101, pp. 167177 (2009); Fifth Conf. on Foundations of Probability & Physics; Sweden, Aug.2427, 2008. 

2008.4 
C. Roychoudhuri 
What is Coherence 
Proceedings of International Photonics Conference, New Delhi, India, December, 2008; Invited Talk. 

2008.5 
C. Roychoudhuri;M. Barootkoob 
Generalized quantitative approach to twobeam fringe visibility (coherence) with different polarizations and frequencies 
SPIE Conf. Proc. Vol. 7063, paper #4 (2008). 

2007.4 
C. Roychoudhuri 
Shall we climb on the shoulders of the giants to extend the reality horizon of physics? 
Conf. on Quantum Theory: Reconstruction of Foundations  4; Invited paper; AIP Conf. Proc. Vol.962 (2007). 

2007.5 
C. Roychoudhuri 
Bicentenary of successes of Fourier theorem! Its power and limitations in optical system designs 
Invited paper; SPIE Conf. Proc. Vol. 666718 (2007). 

2007.6 
C. Roychoudhuri 
Can the hypothesis 'photon interferes only with itself' be reconciled with superposition of light from multiple beams or sources? 
doi: 10.1117/12.734363; SPIE. Proc. Vol.6664 (2007). 

2007.7 
C. Roychoudhuri 
Can a deeper understanding of the measured behavior of light remove waveparticle duality? 
doi: 10.1117/12.740189; SPIE. Proc. Vol.6664 (2007). 

2007.8 
C. Roychoudhuri;P. Poulos 
Can we get any better information about the nature of light by comparing radio and light wave detection processes? 
doi: 10.1117/12.740177; SPIE. Proc. Vol.6664 (2007). 

2007.9 
C. Roychoudhuri;N. Tirfessa;C. Kelley;R. Crudo 
If EM fields do not operate on each other, why do we need many modes and large gain bandwidth to generate short pulses? 
SPIE Proc. Vol.646853 (2007). 

2007.1 
C. Roychoudhuri 
The nature of light: what are photons? 
SPIE News on Web, January 4 (2007). 

2007.11 
C. Roychoudhuri 
A deeper look at the fundamentals of heterodyne detection requirements 
14th Coherent Laser Radar Conference 

2006.1 
C. Roychoudhuri 
Locality of superposition principle is dictated by detection processes 
Phys. Essays 19 (3), September (2006). 

2006.2 
C. Roychoudhuri;M. Tayahi 
Spectral SuperResolution by Understanding Superposition Principle & Detection Processes 
Intern. J. of Microwave and Optics Tech., July (2006). 

2006.3 
C. Roychoudhuri;N. Prasad 

proceedings of the October, 2006 IEEELEOS Annual Conference, Montreal, Canada; Invited Talk. 

2006.4 
C. Roychoudhuri;N. Tirfessa 
Various ambiguities in reconstructing laser pulse parameters 
Proc. SPIE Vol.637229 (2006), Do we count indivisible photons or discrete quantum events experienced by detectors? 

2006.5 
C. Roychoudhuri;D. Lee;P. Poulos 
If EM fields do not operate on each other, how do we generate and manipulate laser pulses? 
Proc. SPIE Vol.629002 (2006); 

2006.6 
C. Roychoudhuri;C. V. Seaver 

Proc. SPIE Vol. 628501, Invited, (2006) in The nature of light: Light in nature; 

2006.7 
C. Roychoudhuri;N. Tirfessa 
Are dark fringe locations devoid of energy of superposed fields? 
Proc. SPIE Vol.629201, Invited (2006); A critical look at the source characteristics used for time varying fringe interferometry. 

2006.8 
C.Roychoudhuri;V. Lakshminarayanan 
Role of the retinal detector array in perceiving the superposition effects of light 
Proc. SPIE Vol.628508 (2006) in The nature of light: Light in nature; 

2006.9 
C. Roychoudhuri 
Reality of superposition principle and autocorrelation function for short pulses 
Proc. SPIE Vol. 610850(2006). 

2005.2 
C. Roychoudhuri 
If superposed light beams do not redistribute each other's energy in the absence of detectors (material dipoles), can an indivisible single photon interfere by/with itself? 
Proc. SPIE Vol.586605, pp.2635 (2005). 

2005.3 
C. Roychoudhuri 
What are the processes behind energy redirection and redistribution in interference and diffraction? 
Proc. SPIE Vol.586616, pp.135146(2005); 

2004.1 
C. Roychoudhuri 
Propagating Fourier frequencies vs. carrier frequency of a pulse through spectrometers and other media 
in InterferometryXII: Techniques and Analysis; Proc. SPIE Vol.5531, 450461(2004). 

2003.1 
D. Lee;C. Roychoudhuri 
Measuring properties of superposed light beams carrying different frequencies 
Optics Express 11(8), 94451, (2003). 

2003.2 
D. Young;C. Roychoudhuri 
Results and comparison of a cladding pumped fiber simulation using a decagonshaped fiber 
Optics Express, 11 (7), 830837 (2003) 

2003.3 
C. Roychoudhuri;R. Roy 
The Nature of Light: What is a Photon? 
Optics & Photonics News Trends, Special issue of OPN, October (2003). 

2003.4 
C. Roychoudhuri;D. Lee;Y. Jiang;S. Kittaka;M. Nara;V. Serikov;M. Oikawa 
Limits of DWDM with gratings and FabryPerot's and alternate solutions 
Invited talk; Proc. SPIE Vol.5246, 333344, (2003). 

2003.5 
C. Roychoudhuri;M. Nantel 
The Global Photonics Education Network: Another Way to Think Globally and Act Locally 
SPIE Conf.Proc. ETOP2003, paper # EME 6 (2003). 

2002.1 
O. V. Smolski;J. Jiang;C. Roychoudhuri;E. L. Portnoi;J. Bullington 
Tunable pico second pulses from gainswitched grating coupled surface emitting lasers 
Proc. SPIE Vol.4651, paper # 09, (2002). 

1998.1 
J. Anderson and C. Roychoudhuri, 
Diffraction of an Extremely Short Optical Pulse 
, J. Opt. Soc. Am., 15 (2), 456463(1998). 

1989.1 
F. X. D'Amato, E. T. Siebart & C. Roychoudhuri; 
Coherent Operation of an Array of Diode Lasers Using a Spatial Filter in a Talbot Cavity 
; Appl. Phys. Lets. 55 (9), 816818 (1989). 

1979.2 
G. L. Clark & C. Roychoudhuri; 
Interferometry through single mode optical fiber 
; Proc. SPIE Vol.192, 196 (1979). 

1977.1 
C. Roychoudhuri & S. Calixto; 
Spectroscopy of Short Pulses 
; Boletin. Inst. Tonantzintla, 2(3), 187 (1977). 

1977.2 
C. Roychoudhuri, 
Causality and Classical Interference and Diffraction Phenomena 
; Boletin. Inst. Tonantzintla, 2(3), 165 (1977). 

1976.3 
C. Roychoudhuri; 
Is Fourier Decomposition Interpretation Applicable to Interference Spectroscopy? 
Bol. Inst. Tonantzintla 2(2), 101 (1976). 

1976.4 
C. Roychoudhuri, R. Machorro & M. Cervantes; 
Some Interference Experiments and Quantum Concepts, II 
; Bol. Inst. Tonantzintla 2(1), 55 (1976). 

1975.1 
C. Roychoudhuri; 
Response of FabryPerot Interferometers to Light Pulses of Very Short Duration 
. (The analysis of this paper is followed and cited in two books: (i) FabryPerot Interferometers by G. Hernandez, Cambridge U., 1986 and (ii) The FabryPerot Interferometer by J. M. Vaughan; Adam Hilger, 1989.); J. Opt. Soc. Am.; 65(12), 1418 (1975). 

1975.4 
C. Roychoudhuri; 
Demonstration Using a FabryPerot. I. MultipleSlit Interference 
; Am. J. Phys. 43(12), 1054 (1975). 
