Shyamal Mondal, Ph.D.

Research interests:

High power modelocked lasers and linear and nonlinear time-resolved spectroscopy using optical and THz radiation.

Professional activities:

2016 – Today: Institute of Photonics and Electronics of the ASCR, v. v. i.

2009 – 2009: Lecturer, B.P.Poddar Institute of Management & Technology, Kolkata, India.

2007 – 2008: Hardware engineer, Indian Centre for Space Physics, Kolkata, India.

Education:

2015: Ph.D. - Optics and laser technology, Indian Institute of Technology, Kharagpur, India.

Dissertation Thesis: "Investigation on Cascaded Second Order Nonlinear Optical Processes for Device Applications"

2009: M.Tech. - VLSI Design & Microelectronics Technology, Jadavpur University, India.

Current research projects:

Member of projects:

• Diffractive optical elements for high power fiber lasers
• Thulium fibre lasers for industrial and medical applications

Publications:

Journal papers:

1. S. Mondal, S. Mukherjee, S. P. Singh, S. C. Rand and P. K. Datta, ”Stability Analysis of Cascaded Second-Order Mode-locked Laser Considering Dynamic Gain Aperturing for Picosecond Pulse Generation,” Optics Express 24, 14, 15274–88 (2016).
2. S. Bhattacharya, R. Maiti, A. Das, S. Saha, S. Mondal, S. Ray, S. Bhaktha B.N., and P. Datta, ”Efficient control of ultrafast optical nonlinearity of reduced graphene oxide by infrared reduction,” Journal of Applied Physics (Accepted, 2016).
3. S. Mondal, S. P. Singh, S. Mukherjee, S. Mukhopadhyay, and P. K. Datta, ”Widely tunable intracavity phase-matched cascaded second-order interaction for generation of multi-color radiation,” IEEE Journal Quantum Electronics 51, 1–5 (2015).
4. A. Choubey, S. Mondal, R. Singh, B. Upadhyaya, P. Datta, and S. Oak, ”Generation of 415 W of p-polarized output power in long pulse operation of Nd:YAG laser using z−fold resonator geometry,” Optics & Laser Technology 60, 41–48 (2014).
5. A. Choubey, S. Mondal, R. Singh, B. Upadhyaya, P. Datta, and S. Oak, ”Enhancement of p-polarized output power in long pulse single rod Nd:YAG laser using a tilted 90◦ quartz rotator,” Optics Communications 330, 61-70 (2014).
6. S. Mukhopadhyay, S. Mondal, S. P. Singh, A. Date, K. Hussain, and P. K. Datta, ”Dual colour cw mode-locking through soft aperture based on second order cascaded nonlinearity,” Opt. Exp. 21, 454–462 (2013).
7. S. Mondal, S. Singh, K. Hussain, A. Choubey, B. Upadhyay, and P. Datta, ”Efficient depolarization-loss-compensation of solid state lasers using only a Glan-Taylor Polarizer,” Optics & Laser Technology 45, 154–159 (2013).
8. S. Mondal, S. P. Singh, S. Mukhopadhyay, A. Date, K. Hussain, S. Mukherjee, and P. K. Datta, ”A comparative study on dual colour soft aperture cascaded second-order mode-locking with different nonlinear optical crystals,” Pramana 82, 313–319 (2014).
9. S. P. Singh, S. Mondal, K. Hussain, and P. K. Datta, ”Development of optical parametric oscillator tunable in the range 970-1460 nm,” Defence Science Journal 61, 377–382 (2011).

Conference papers:

1. A. C. Das, K. C. Mandal, S. Bhattachraya, S. Mondal, S. B. N. Bhaktha and P. K. Datta, ”Dielectric response of pure and doped-GaSe crystals studied by an indigenously developed broadband THz-TDS system,” in Photonics Europe, (SPIE, 2016), pp. 9894-51.
2. S. Bhattachraya, R. Maiti, S. Saha, A. C. Das, S. Mondal, S. K. Ray, S. B. N. Bhaktha and P. K. Datta, ”Infrared reduction, an efficient method to control the non-linear optical property of graphene oxide in femtosecond regime,” in Photonics Europe, (SPIE, 2016), pp. 9884-95.
3. S. Mondal,S. Mukherjee, S. P. Singh, P. K. Datta, ”Realization of Inverse Saturable Absorption by Cascaded Second-Order Process for Stable Modelocking,” in Laser Science, (Optical Society of America, 2015), pp. LTh4D–7.
4. S. Mondal, S. P. Singh, S. Mukherjee, S. Mukhopadhyay, and P. K. Datta, ”Intracavity cascaded second order interaction in BBO for generation of efficient, widely tunable coherent radiation,” in Advanced Solid State Lasers, (Optical Society of America, 2014), pp. AM5A–46.
5. K. Hussain, S. P. Singh, S. Mondal, L. Mishra, and P. K. Datta, ”Wavelength conversion using semiconductor optical amplifier and bandpass filter combination,” in International Conference on Fibre Optics and Photonics, (Optical Society of America, 2014), pp. T3A–59.
6. S. P. Singh, S. Mondal, S. Mukherjee, S. Mukhopadhyay, and P. Datta, ”Multi-colour opo based on second order cascaded nonlinear interaction,” in Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2013 Conference, (2013), pp. 1–2.
7. S. Mondal, S. Datta, S. Dey, S. Bera, S. Singh, and P. Datta, ”Efficient compensation of thermal birefringence of a flash-lamp pumped Nd:YAG laser by a simple but novel method,” in SPIE LASE, (International Society for Optics and Photonics, 2011), pp. 79122F–79122F.
8. S. Singh, S. Mondal, A. Date, S. Mukhopadhay, and P. K. Datta, ”Dual colour cw mode-locking through soft-aperture and second order cascaded nonlinearity,” in International Conference on Fibre Optics and Photonics, (2012), pp. W3C–2.
9. S. Mondal, S. P. Singh, S. Mukherjee, A. Date, S. Mukhopadhyay, and P. K. Datta, ”Theoretical investigation on stability of cascaded second order mode-locking,” in International Workshop on Recent Advances in Photonics, (2013), pp. P–43.
10. S. Mondal, K. Hussain, S. Singh, A. Choubey, B. Upadhyay, and P. K. Datta, ”Thermal birefringence compensation in high power single rod pulsed Nd:YAG laser,” in International Conference on Theoretical and Applied Physics, IIT Kharagpur, (2011), p. 137.
11. S. Mondal, S. Dey, S. Bera, S. P. Singh, and P. K. Datta, ”Efficient compensation of thermal birefringence of a flash-lamp pumped Nd:YAG laser by a tilted glan-taylor polarizer,” in Proceedings of National Laser Symposium, RRCAT, India, vol. 1.23 (2010), p. 25.
12. S. P. Singh, S. Mondal, K. Hussain, and P. K. Datta, ”Development of optical parametric oscillator tunable in the range of 900-1500 nm for spectroscopic application,” in Proceedings of National Laser Symposium, RRCAT, India, vol. 4.23 (2010), p. 76.
13. R. Singh, A. Choubey, S. Mondal, S. Ali, B. N. Upadhyaya, P. K. Datta, and S. M. Oak, ”Birefringence compensation in multimode long pulse Nd:YAG laser,” in Proceedings of National Laser Symposium, Anna University, India, vol. A-01-031 (2012), p. 43.
14. S. Mondal, S. P. Singh, S. Mukhopadhyay, A. Date, K. Hussain, S. Mukherjee, and P. K. Datta, ”A comparative study on dual colour soft aperture cascaded second order mode-locking with different nonlinear optical crystals,” in Proceedings of National Laser Symposium, BARC, India, vol. CP-05-06 (2013), p. 61.
15. S. P. Singh, S. Mondal, P. K. Barman, P. K. Nayak, S. Mukhopadhyay, S. K. Varshney, and P. K. Datta, ”Optimization of the performance of nonlinear mirror mode-locking employing different nonlinear optical crystals,” in Proceedings of National Laser Symposium, BARC, India, vol. CP-05-08.
16. S. Mondal, S. P. Singh, A. Date, S. Mukherjee, S. Mukhopadhyay, and P. K. Datta, ”A comparative study on dual colour soft aperture cascaded second order mode-locking with different nonlinear optical crystals,” in Proceedings of Theme meeting on Ultrafast Science, IIT Kharagpur, India, vol. 1 (2013), p. 51.
17. A. Bera, A. Acharyya, S. Mondal, and P. K. Datta, ”Picosecond laser based z-scan setup with automated control and data acquisition,” in Proceedings of Theme meeting on Ultrafast Science, IIT Kharagpur, India, vol. 1 (2013), p. 39.
18. A. Choubey, S. Mondal, R. Singh, B. Upadhyaya, P. Datta, and S. Oak, ”Comparison of z-fold and v-fold resonator configurations for generation of high average power p-polarized output in long pulse operation of dual-rod Nd:YAG laser,” in Proceedings of National Laser Symposium, BARC, India, vol. CP-01-20 (2014).
19. S. Mondal, S. P. Singh, S. Mukherjee, A. C. Das, S. Bhattacharya, S. Mukhopadhyay, and P. K. Datta, ”Theoretical and experimental study of tunable OPO based on cascaded second order nonlinearity,” in Proceedings of National Laser Symposium, BARC, India, vol. CP-06-58 (2014).
20. A. C. Das, S. Bhattacharya, S. Mondal, A. Sil, S. K. Patra, and P. K. Datta, ”Investigation of two photon absorption and two photon fluorescence of a terpyridine complex,” in Proceedings of National Laser Symposium, Sri Venkateswara University, India, vol. CP-04-53 (2014).
21. S. Mondal, S. Mukherjee, K. Manoranjan, and P. K. Datta, ”Investigation on cascaded second-order modelocked laser for stable picosecond optical pulse,” in Proceedings of Theme meeting on Ultrafast Science, Manipal University, India, vol. P-04 (2014), p. 50.
22. A. C. Das, S. Bhattachraya, S. Mondal, M. Jewariya, S. B. N. Bhaktha and P. K. ”Datta, ”Indigenous development of broadband terahertz time domain spectroscopy system using optical rectification and electro-optic sampling in ZnTe crystal,” in Proceedings of National Laser Symposium, RRCAT, India, (2015).
23. A. C. Das, R. Maiti, M. Jewariya, S. Bhattachraya, S. Mondal, S. K. Ray, S. B. N. Bhaktha and P. K. Datta, ”Optical and Electrical Properties of Reduced Graphene Oxide Thin Film in Terahertz Frequency Range,” in Proceedings of National Laser Symposium, RRCAT, India, (2015).
24. S. Bhattachraya, R. Maiti, A. C. Das, S. Saha, S. Mondal, S. K. Ray, S. B. N. Bhaktha and P. K.
25. Datta, ”Non-linear optical property of IR induced partially reduced graphene oxide in femtosecond regime,” in Proceedings of Ultrafast Science, S. N. Bose National Centre for Basic Sciences, Kolkata, India, (DAE-BRNS, 2015).
26. A. C. Das, M. Jewariya, S. Bhattachraya, S. Mondal, S. B. N. Bhaktha and P. K. Datta, ”Study of Dielectric Response of Cerium Oxide Thin Film by Indigenously Developed THz Time Domain Spectroscopy System,” in Proceedings of Ultrafast Science, S. N. Bose National Centre for Basic Sciences, Kolkata, India, (DAE-BRNS, 2015).