Dr. Naveen Kumar Nishchal

Research Areas:

• Applied Optics (Optical Information Processing, Image Encryption, Watermarking, Digital Holography, Fractional Fourier Transform-based Signal Processing, Correlation-based Optical Pattern Recognition)

Research and Development:

PhD Students:

Isha Mehra

Sudheesh Kumar Rajput

Dhirendra Kumar

Areeba Fatima

Teaching:

• PH 705 Fourier Optics
• PH 710 Theory and Applications of Holography
• PH 301 Engineering Optics
• PH 201 Optics and Lasers

• PH 101 Physics – I (Tutorial)
• PH 102 Physics – II
• PH 110 Physics Laboratory

• PH 001 Preparatory Physics – I
• PH 002 Preparatory Physics – II

R&D Projects:

• Study of Optical Image Fusion Techniques for Securing Multispectral Data, Council of Scientific & Industrial Research, New Delhi, June 2016 – May 2019, Cost: Rs. 21.2436 Lakh (03/1351/16/EMR-II, dt. 11.05.2016).
• Study on Digital Holography-based Information Security
  Shemes, CSIR, Government of India [3 yrs.]
• Identification of Biological Micro-organisms with Digital Holography, ER & IPR,
  Defence Research & Development Organisation, DHQ, New Delhi [3 yrs]

Publications:International Journal:

• P. Kumar and N. K. Nishchal, “Self-referenced spiral interferogram using modified lateral shearing Mach-Zehnder interferometer,” Applied Optics 58 (2019) 6827-6833.
• P. Kumar and N. K. Nishchal, “Modified Mach-Zehnder interferometer for determining high-order topological charge of Laguerre-Gaussian vortex beams,” Journal of Optical Society of America A 36 (2019) 1447-1455.
• P. Kumar, A. Fatima, and N. K. Nishchal, “Image encryption using phase-encoded exclusive-OR operations with incoherent illumination,” Journal of Optics 21 (2019) 065701.
• P. Kumar and N. K. Nishchal, “Enhanced exclusive-OR and quick response code-based image encryption through incoherent illumination,” Applied Optics 58 (2019) 1408-1412.
• A. Kumar and N. K. Nishchal, “Quick response code and interference-based optical asymmetric cryptosystem,” Journal of Information Security and Applications 45 (2019) 35-43.
• T. Pitkaaho, V. Pitkakangas, M. Niemela, S. K. Rajput, N. K. Nishchal, and T. J. Naughton, Space-variant video compression and processing in digital holographic microscopy sensor networks with application to potable water monitoing, Applied Optics 57 (2018) E190-E198.
• A. Kumar, A. Fatima, and N. K. Nishchal, An optical Hash function construction based on equal modulus decomposition for authentication verification, Optics Communications 428 (2018) 07-14.
• A. Fatima and N. K. Nishchal, Image authentication using vector beam with sparse phase information, Journal of Optical Society of America A 35 (2018) 1053-1062.
• Yatish, A. Fatima and N. K. Nishchal, Optical image encryption using triplet of functions, Optical Engineering 57 (2018) 033103.
• A. Fatima and N. K. Nishchal, Optical image security using Stokes polarimetry of spatially variant polarized beam, Optics Communications 417 (2018) 30-36.
• I. Mehra, A. Fatima and N. K. Nishchal, Gyrator wavelet transform, IET Image Processing 12 (2018) 432-437.
• R. Kumar, B. Bhaduri, and N. K. Nishchal, "Nonlinear QR code based optical image encryption using spiral phase transform, equal modulus decomposition and singular value decomposition," Journal of Optics 20 (2018) 015701.
• S. K. Rajput and N. K. Nishchal, “Optical asymmetric cryptosystem based on photon counting and phase-truncated Fresnel transforms,” Journal of Modern Optics 64 (2017) 878-886.
• S. K. Rajput and N. K. Nishchal, “Optical double image security using random phase fractional Fourier domain encoding and phase retrieval algorithm,” Optics Communications 388 (2017) 38-46.
• D. Kumar and N. K. Nishchal, “Synthesis and reconstruction of multi-plane phase-only Fresnel holograms,” Optik 127 (2016) 12069-12077.
• A. Fatima and N. K. Nishchal, “Discussion on comparative analysis and a new attack on optical asymmetric cryptosystem,” Journal of Optical Society of America A 33 (2016) 2034-2040.
• B. Javidi, A. Carnicer, M. Yamaguchi, T. Nomura, E. Perez-Cabre, M. S.Millan, N. K. Nishchal, R. Torroba, J. F. Barrera, W. He, X. Peng, A. Stern, Y. Rivenson, A. Alfalou, C. Brosseau, C. Guo, J. T. Sheridan, G.Situ, M. Naruse, T. Matsumoto, I. Juvells, E. Tajahuerce, J. Lancis, W. Chen, X. Chen, P. W. H. Pinkse, A. P. Mosk, and A. Markman, “Roadmap on Optical Security,” Journal of Optics 18 (2016) 083001.
• A. Fatima, I. Mehra, and N. K. Nishchal, “Optical asymmetric cryptosystem using equal modulus decomposition and multiple diffractive imaging,” Journal of Optics 18 (2016) 085701.
• D. Kumar and N. K. Nishchal, “Three-dimensional object recognition using joint fractional Fourier transform correlators with the help of digital Fresnel holography,” Optik 126 (2015) 2690-2695.
• I. Mehra and N. K. Nishchal, “Optical asymmetric image encryption using gyrator wavelet transform,” Optics Communications 354 (2015) 344-352.
• D. Kumar and N. K. Nishchal, “Recognition of three-dimensional objects using joint fractional correlator and nonlinear joint fractional correlator with the help of digital Fresnel holography; A comparative study,” Optical Review 22 (2015) 256-263.
• I. Mehra, K. Singh, A. K. Agarwal, U. Gopinathan, and N. K. Nishchal, "Encrypting digital hologram of three-dimensional object using diffractive imaging," Journal of Optics 17 (2015) 035707.
• S. K. Rajput, D. Kumar, and N. K. Nishchal, "Photon counting imaging and phase mask multiplexing for multiple images authentication and digital hologram security," Applied Optics 54 (2015) 1657-1666.
• I. Mehra and N. K. Nishchal, “Optical asymmetric watermarking using modified wavelet fusion and diffractive imaging,” Optics and Lasers in Engineering 68 (2015) 74-82.
• I. Mehra and N. K. Nishchal, “Wavelet-based image fusion for securing multiple images through asymmetric keys,” Optics Communications 335 (2015) 153-160.
• S. K. Rajput, D. Kumar, and N. K. Nishchal, “Photon counting imaging and polarized light encoding for secure image verification and hologram watermarking,” Journal of Optics 16 (2014) 125406.
• S. K. Rajput and N. K. Nishchal, “An optical encryption and authentication scheme using asymmetric keys,” Journal of the Optical Society of America A 31 (2014) 1233-1238.
• Mehra and N. K. Nishchal, “Image fusion using wavelet transform and its application to asymmetric cryptosystem and hiding,” Optics Express 22 (2014) 5474-5482.
• S. K. Rajput and N. K. Nishchal, “Fresnel domain nonlinear image encryption scheme based on Gerchberg-Saxton phase retrieval algorithm,” Applied Optics 53 (2014) 418-425.
• I. Mehra and N. K. Nishchal, “Asymmetric cryptosystem for securing multiple images using two beam interference phenomenon,” Optics and Laser Technology 60 (2014) 1-7.
• I. Mehra, S. K. Rajput, and N. K. Nishchal, “Cryptanalysis of an image encryption scheme based on joint transform correlator with amplitude- and phase-truncation approach,” Optics and Lasers in Engineering 52 (2014) 167-173.
• S. K. Rajput and N. K. Nishchal, “Known-plaintext attack on encryption domain independent optical asymmetric cryptosystem,” Optics  Communications 309 (2013) 231-235.
• S. K. Rajput and N. K. Nishchal, “Image encryption using polarized light encoding and amplitude- and phase-truncation in Fresnel domain,” Applied Optics 52 (2013) 4343-4352.
• I. Mehra, S. K. Rajput, and N. K. Nishchal, “Collision in Fresnel domain asymmetric cryptosystem using phase truncation and authentication verification,” Optical Engineering 52 (2013) 028202.
• S. K. Rajput and N. K. Nishchal, “Known-plaintext attack-based optical cryptosystem using phase-truncated Fresnel transform,” Applied Optics 52 (2013) 871-878.
• S. K. Rajput and N. K. Nishchal, “Image encryption and authentication verification scheme using fractional nonconventional joint transform correlator,” Optics and Lasers in Engineering 50 (2012) 1474-1483.
• S. K. Rajput and N. K. Nishchal, “Asymmetric color cryptosystem that uses polarization selective diffractive optical element and structured phase mask,” Applied Optics 51 (2012) 5377-5386.
• S. K. Rajput and N. K. Nishchal, “Image encryption based on interference that uses fractional Fourier domain asymmetric keys,” Applied Optics 51(2012) 1446-1452 
• N. K. Nishchal, “Hierarchical encrypted image watermarking using fractional Fourier domain random phase encoding,” Optical Engineering 50 (2011) 097003.
• N. K. Nishchal and T. J. Naughton, “Flexible optical encryption with multiple users and multiple security levels,” Optics Communications 284 (2011) 735-739.

Conference Publications:

• N. K. Nishchal, “Vector beam with required phase-only functions for asymmetric image encryption,” XLII Annual Meeting of the Optical Society of India-Int’l. Symp. on Optics (OSI-ISO-2018), Sept. 19-22, 2018, IIT Kanpur [Invited].
• P. Kumar and N. K. Nishchal, “Generation of optical agnular momentum of light using liquid crystal spatial light modulator,” XLII Annual Meeting of the Optical Society of India-Int’l. Symp. on Optics (OSI-ISO-2018), Sept. 19-22, 2018, IIT Kanpur.
• A. K. Gupta and N. K. Nishchal, “Phase retrieval with liquid crystal variable retarder based on reference-less non-interferometric technique,” XLII Annual Meeting of the Optical Society of India-Int’l. Symp. on Optics (OSI-ISO-2018), Sept. 19-22, 2018, IIT Kanpur.
• A. Fatima and N. K. Nishchal, “Simultaneous authentication verification of multiple secured images using joint transform correlation approach,” SPIE Security + Defence, Electro-optical and Infrared Systems: Technology and Applications, Sept. 10-13, 2018, Berlin, GERMANY.
• N. K. Nishchal, “Optical asymmetric encryption schemes and attack analysis,” SPIE Security + Defence, Electro-optical and Infrared Systems: Technology and Applications, Sept. 10-13, 2018, Berlin, GERMANY.
• A. Fatima, N. K. Nishchal, Y. Queo, A. Alfalou, and C. Brosseau, “Polarization-based encoding for optical cryptosystems,” 2nd Joensuu Confer. on Coherence & Random Polarization; Trends in Electromagentic Coherence (COHERENCE-2018), June 12-15, 2018, Joensuu, FINLAND.
• A. Fatima, N. K. Nishchal, A. Alfalou, and C. Brosseau “Securing image authentication using a vector beam analysis,” 2nd Joensuu Confer. on Coherence & Random Polarization; Trends in Electromagentic Coherence (COHERENCE-2018), June 12-15, 2018, Joensuu, FINLAND.
• R. Shekhar, G. Unnikrishnan, and N. K. Nishchal, “Reconstruction quality improvement of digital holograms using multi-scale globa search,” JW4A.8 Digital Holography and 3D Imaging (Topical meeting), OSA Imaging and Applied Optics Congress, June 25-28, 2018, Orlando, Florida, USA.
• R. Shekhar, G. Unnikrishnan, and N. K. Nishchal, “Multiplexing multiple digital holograms for efficient transmission and recovery,” JM4A.33 Digital Holography and 3D Imaging (Topical meeting), OSA Imaging and Applied Optics Congress, June 25-28, 2018, Orlando, Florida, USA.
• A. K. Gupta and N. K. Nishchal, “Phase characterization of a liquid crystal spatial light modulator,” 3rd Int’l. Confer. on Microwave and Photonics (ICMAP-2018), Feb. 09-11, 2018, IIT (ISM) Dhanbad, pp. 37.
• A. Kumar and N. K. Nishchal, “An image encryption scheme using quick response code,” 3rd Int’l. Confer. on Microwave and Photonics (ICMAP-2018), Feb. 09-11, 2018, IIT (ISM) Dhanbad, pp. 48.

Job experience:

• Associate Professor: Department of Physics, I. I. T. Patna ( Since Dec. 21, 2015).
• Assistant Professor: Department of Physics, I. I. T. Patna ( Dec. 03, 2008 - Dec 20, 2015).
• Researcher: RF Media Laboratory, Oulu Southern Institute, University of Oulu, Ylivieska, FINLAND (Summer 2008, 2009, 2010)
• Assistant Professor: Department of Physics, I. I. T. Guwahati (June 28, 2007 – Dec. 02, 2008).
• Scientist ‘C’: Instruments Research & Development Establishment, Dehradun (DRDO, Government of India) (July 15, 2004 – June 25, 2007).

Membership of Professional Societies:

• Senior Member, SPIE, Society of Photo-Optical Instrumentation Engineers, USA
• Senior Member, Optical Society of America
• Optical Society of India (Life Member)
• Indian Science Congress Association (Life Member)
• Lasers and Spectroscopy Society of India (Life Member)