Journal Papers

1. Haneen, V. N., & Naik, D. N. (2025). Phase shifting through the diffraction orders of spatial coherence. Optics Letters, 50, 4278–4281. 

2. Jomy, A., Jayan, A., Narayanamurthy, C. S., Naik, D. N., & Pathak, B. (2025). Hybrid holographic modal wavefront sensing for improved aberration correction. Optics Letters, 50, 4066–4069. 

3. Kumar, D., Pathak, B., & Narayanamurthy, C. S. (2025). Design and implementation of a diffraction-based common-path digital holographic microscopy system with programmable beams. Optik, 272, 172352.  

4. Mehta, S., & Pathak, B. (2025). Fourier ptychography microscopy with programmable beam illumination. Optics Express, 33(5), 12071–12089. 

5. Jomy, A., Mehta, S., Jacob, J., Anirudh, S., Krishna, D. K., Kumar, R., ... & Pathak, B. (2025). Experimental arrangement to study the impact of atmospheric turbulence on user-defined beams. Review of Scientific Instruments, 96(1). https://doi.org/10.1063/5.0233969. 

6. Tillo, D., & Ivan, J. S. (2025). Estimating object and field phase through in-line intensity measurements using a twinning algorithm. Optics Communications, 131544.https://doi.org/10.1016/j.optcom.2025.131544

7.  Harikrishnan, P., & Naik, D. N. (2025). Tunable wavelength laser surface profilometry through tilted interference. Measurement, 242(A), 115838. https://doi.org/10.1016/j.measurement.2024.115838

8. Tillo, D., & Ivan, J. S. (2024). Estimating unwrapped phase through phase gradients. Optik, 171901.https://doi.org/10.1016/j.ijleo.2024.171901

9. Jagroop, Dakshin Tillo, C. S. Narayanamurthy, & Dayala Dev, S. (2024). Precise refractive index measurement of fused silica optics. Measurement Science and Technology, 10.1088/1361-6501/ad4382.

10. Panchal, P., Kadhiarakath Manathparambil, Z., & Narayanamurthy, C. S. (2024). Optimum design technique for two lenses telescopic system using collimation testing and Zernike polynomials. Journal of Optics, 10.1007/s12596-023-01426-0.

11. Karnati, S., & Pathak, B. (2024). Analysis of biospeckle pattern using grey-level and color-channel assessment methods. Laser Physics, 34(10), 105601. 

12. Sadhukhan, S., & Narayanamurthy, C. S. (2024). Turbulence impacted wavefront corrections using beam modulation technique. Optics Communications, 10.1016/j.optcom.2024.130716.

13. Athira, T. S., & Naik, D. N. (2023). Nonlinear phase accumulation for a linear path delay in low coherence Fourier transform spectral interferometry. Physica Scripta, 10.1088/1402-4896/acd0e2.

14. S., L., Naik, D. N., & Narayanamurthy, C. S. (2023). Insensitivity of partially coherent Gaussian-Schell model beams to the impact of dynamic Kolmogorov type turbulence. Journal of Modern Optics, 70(3), 161–169. https://doi.org/10.1080/09500340.2023.2219770

15. Gautam, S. K., Panchal, P., Athira, T. S., & Naik, D. N. (2022). Phase retrieval algorithm using edge point referencing. Optics Letters, https://doi.org/10.1364/OL.475163.

16. Arun, S., & Ivan, J. S. (2022). Polarisation-spatial entanglement upon reflection across a dielectric. Optics Communications, https://doi.org/10.1016/j.optcom.2022.128006.

17. Lekshmi, S. R., Naik, D. N., & Narayanamurthy, C. S. (2022). Fried's coherence length measurement of dynamic Kolmogorov type turbulence using the autocorrelation function. Journal of Optics, 10.1088/2040-8986/ac3f91.

18. Ramakrishnan, J., & Ivan, J. S. (2022). A quantum genetic algorithm for optimization problems on the Bloch sphere. Quantum Information Processing, https://link.springer.com/article/10.1007%2Fs11128-021-03368-7.

19. Ramakrishnan, J., & Ivan, J. S. (2022). Ameliorated phase sensitivity through intensity measurements in a Mach–Zehnder interferometer. Quantum Information Processing, https://doi.org/10.1007/s11128-021-03376-7.

20. Sadhukhan, S., Sadhukhan, S., Brundavanam, M. M., & Narayanamurthy, C. S. (2022). Spectral switch anomalies in a Sagnac interferometer with respect to a Galilean frame. Journal of the Optical Society of America A, https://doi.org/10.1364/JOSAA.468755.

21. Panchal, P., Naik, D. N., & Narayanamurthy, C. S. (2021). Insensitivity of higher order topologically charged Laguerre–Gaussian beams to dynamic turbulence impact. Optics Communications, https://doi.org/10.1016/j.optcom.2021.127023.

22. Asokan, S., & Ivan, J. S. (2021). Polarization-spatial Gaussian entanglement in partially coherent light fields. Journal of the Optical Society of America A: Optics and Image Science, and Vision, https://doi.org/10.1364/JOSAA.430464.

23. Athira, T. S., & Naik, D. N. (2021). Amplified sensing of optical phase difference through the phase of the resultant field. Journal of Optics, 10.1088/2040-8986/ac213e.

24. Budhiraju, V. R., Sriram, K. V., & Narayanamurthy, C. S. (2021). Design of two-mirror telescope systems with freeform surfaces: modified configurations and analysis. Journal of Astronomical Telescopes, Instruments, and Systems, 10.1117/1.JATIS.7.1.014002.

25. Asokan, S., Yasir, P. A. A., & Ivan, J. S. (2020). Estimation of dislocated phases in wavefronts through intensity measurements using a Gerchberg–Saxton type algorithm. Applied Optics, https://doi.org/10.1364/AO.400482.

26. Gautam, S. K., Singh, R. K., Narayanamurthy, C. S., & Naik, D. N. (2020). Single-shot and twin-image free unique phase retrieval using an aspect of autocorrelation that considers the object asymmetry. Journal of the Optical Society of America, 10.1364/JOSAA.402731.

27. Tiwari, V., Gautam, S. K., Naik, D. N., Singh, R. K., & Bisht, N. S. (2020). Characterization of a spatial light modulator using polarization-sensitive digital holography. Applied Optics, 10.1364/AO.380572.

28. Asokan, S., & Ivan, J. S. (2020). Gaussian spatial-polarization entanglement in a folded Mach–Zehnder interferometer. Journal of the Optical Society of America A, https://doi.org/10.1364/JOSAA.386502.

29. Gautam, S. K., Singh, R. K., Narayanamurthy, C. S., & Naik, D. N. (2020). Reconstruction of complex-object using edge point referencing. Journal of Optics, 10.1088/2040-8986/ab7e8b.

30. Shishir, D., & Ivan, J. S. (2019). Non-Gaussian bosonic channels in the Tavis–Cummings model. Quantum Information Processing, 10.1007/s11128-019-2412-5.

31. Thomas, B. P., Pillai, S. A., & Narayanamurthy, C. S. (2018). Photoelastic digital holographic polariscope. Journal of Modern Optics, 10.1080/09500340.2019.1575484.

32. Garai, S., & Ivan, J. S. (2018). Gaussian channels that are eventually entanglement breaking yet asymptotically nonclassicality saving. Physical Review A, https://doi.org/10.1103/PhysRevA.98.052353.

33. Mishra, S., Gautam, S. K., Naik, D. N., Chen, Z., Pu, J., & Singh, R. K. (2018). Tailoring and analysis of vectorial coherence. Journal of Optics, 10.1088/2040-8986/aaef2a.

34. Sabapathy, K. K., Ivan, J. S., García-Patrón, R., & Simon, R. (2018). Divergence-free approach for obtaining decompositions of quantum-optical processes. Physical Review A, https://doi.org/10.1103/PhysRevA.97.022339.

35. Yasir, P. A. A., & Ivan, J. S. (2018). Estimation of phases with dislocations in paraxial wave fields from intensity measurements. Physical Review A, https://doi.org/10.1103/PhysRevA.97.023817.

36. Asokan, S., & Ivan, J. S. (2018). Radial–angular entanglement in Laguerre–Gaussian mode superpositions. Journal of the Optical Society of America A, https://doi.org/10.1364/josaa.35.000785.

37. Matta, S., Vayalamkuzhi, P., Naik, D. N., & Viswanathan, N. K. (2018). Evolution of phase singularities from fork-shaped phase grating in the near-field. Journal of Optics, 10.1088/2040-8986/aac68c.

38. Sai Meghana, T., & Ivan, J. S. (2018). Free space optical communication using a shape parameter. The European Physical Journal Plus, 133, 1-11. 

Conference proceedings

1. Harikrishnan P. and Dinesh N. Naik (2025). "Temporal phase unwrapping for under-sampled spectral signal with tilted interference", Proc. SPIE 13529, Holography: Advances and Modern Trends IX, 1352907 ; https://doi.org/10.1117/12.3056536

2. Deepak K. Jaduvanshi, Biswajit Pathak and C. S. Narayanamurthy  (2024). “Accurate Phase Reconstruction in Digital Holography Microscopy Using Fresnel Biprism”, Proceedings of SPIE: 12852, 128520S.

3. Haneen, V. N., & Naik, D. N. (2024). Introducing phase variations in spatial coherence using dynamics of spatially incoherent source. In Women in Optics and Photonics in India 2023 (Vol. 13108, p. 1310811). SPIE.

4. Athira, T. S., & Naik, D. N. (2023). Sensitivity enhancement in low coherence Fourier transform spectral interferometry. In Women in Optics and Photonics in India 2022 (Vol. 12638). SPIE.

5. Gautam, S. K., & Naik, D. N. (2023). Deformation estimation along a desired direction using digital speckle correlation technique. Frontiers in Optics + Laser Science 2023 (FiO, LS), paper JM7A.102.

6. Athira, T. S., Panchal, P., Gautam, S. K., & Naik, D. N. (2021). Revealing relative phase shift of individual beams through the phase of the superposed beam. ICOL-2019: Proceedings of the International Conference on Optics and Electro-Optics, Dehradun, India (pp. 571-573). Springer Singapore.