CSIR-Central Glass & Ceramic Research Institute
(A Unit of Council of Scientific and Industrial Research)

सीएसआईआर-केंद्रीय कांच और सिरेमिक अनुसंधान संस्थान
(वैज्ञानिक और औद्योगिक अनुसंधान परिषद की एक इकाई)
  ::  Profile of Dr. Shyamal Das  ::  
  
  
 
Dr. Shyamal Das
Senior Scientist

Fiber Optics and Photonics Division

Phone: (033) 24838083 (Ex. 3285)
FAX: +91-33-24730957
E-mail: dshyamal@cgcri.res.in

B.E. (Chemical Engg.), Jadavpur University
M.E. (Chemical Engg.), Jadavpur University
Ph. D. (Engg.), Jadavpur University

Dr. Das joined CGCRI on 31.01.2006 (Bio-sketch)

Research Interest
  • Development of different types of rare earth (RE) doped fiber preform for optical fiber amplifier and fiber lasers, LFM (large flattened mode) fiber, photosensitive fiber for writing FBGs and advanced rare earth doped nano- crystalline host based optical fiber for application in high power fiber laser.

Professional Career
DesignationsOrganisationDuration
Project & CSIR-Research Fellow CGCRI June, 2000 - January 2006
Scientist CGCRI 31.01.2006 (continuing )

Awards/Recognition
  • Awarded CSIR-SRF
  • Awarded CSIR-RA

Selected Publications
Summary: In SCI Journals: 20; In Conference Proceedings: 13;
Selected Publications:
  1. “Fabrication of ultra-high numerical aperture GeO2-doped fiber and its use for broadband supercontinuum generation”, P. Harshavardhan Reddy, A. V. Kir’yanov, Anirban Dhar, Shyamal Das, Debjit Dutta, Mrinmay Pal, Y. O. Barmenkov, J. A. Minguella-Gallardo, Shyamal Kumar Bhadra and Mukul Chandra Paul; Applied Optics 56 (33) pp. 9315-9324 (2017).
  2. “Multielement (P-Yb-Zr-Ce-Al-Ca) fiber for moderate-power laser application with enhanced photodarkening resistivity”, Anirban Dhar, Shyamal Das, Pinninty Harshavardhan Reddy, Salim H. Siddiki, Debjit Dutta, Mrinmay Pal, Alexander V. Kir’yanov and Mukul Chandra Paul; Phys. Status Solidi A 214 (6) 1600655 (1-7) 1600655 (2017).
  3. “Luminescent Properties and Optical Amplification of Erbium-Doped Nano-Engineered Scandium-Phospho-Yttria-Alumina-Silica Glass Based Optical Fiber”, Pinninty Harshavardhan Reddy, Shyamal Das, Debjit Dutta, Anirban Dhar, Alexander V. Kir’yanov, Mrinmay Pal, Shyamal Kumar Bhadra and Mukul Chandra Paul; Phys. Status Solidi A, pp. 1-9, 1700615 (2018).
  4. “Investigation of Q-switched and mode-locked pulses from a Yb3+-doped germano-zirconia silica glass based fiber laser“, Wei-Cheng Chang, Yu-Sheng Lin, Yin-Wen Lee, Chien-Hsing Chen, Ja-Hon Lin, P. Harshavardhan Reddy, Shyamal Das, Anirban Dhar and Mukul Chandra Paul; IEEE Photonics Journal 9 (4) 1-8, 7104708 (2017).
  5. “Titanium dioxide doped fiber as a new saturable absorber for generating mode-locked erbium doped fiber laser”, P. Harshavardhan Reddy, M. F. A. Rahman, M. C. Paul, A. A. Latiff, A. H. A. Rosol, Shyamal Das, Anirban Dhar, Shyamal Kumar Bhadra, K. Dimyati, S. W. Harun; Optik 158 1327–1333 (2018).
  6. “Performance comparison of enhanced Erbium–Zirconia–Yttria–Aluminum co-doped conventional erbium-doped fiber amplifiers”, A. M. Markom, M. C. Paul, A. Dhar, S. Das, M. Pal, S.K. Bhadra, K. Dimyati, M. Yasin, S.W. Harun; Optik 132 75–79 (2017).
  7. “Titanium Dioxide (TiO2) film as a new saturable absorber for generating mode-locked Thulium-Holmium doped all-fiber laser”, Muhammad Farid Mohd Rusdi, Anas Abdul Latiff, Mukul Chandra Paul, Shyamal Das, Anirban Dhar, Harith Ahmad, Sulaiman Wadi Harun; Optics & Laser Technology 89 16-20 (2017).
  8. “Hafnia-Yttria-Alumina-Silica Based Optical Fibers With Diminished Mid-IR (>2 Μm) Loss”, A. V. Kir’yanov, S. H. Siddiki, Y. O. Barmenkov, S. Das, D. Dutta, A. Dhar, A. V. Khakhalin, E. M. Sholokhov, N. N. Il’ichev, S. I. Didenko and M. C. Paul; Optical Materials Express 7 (7) 2511-2518 (2017).
  9. “Experimental observation of bright and dark solitons mode-locked with zirconia-based erbium-doped fiber laser”, A. M. Markom, S. J. Tan, H. Haris, M. C. Paul, A. Dhar, S. Das, S. W. Harun; Chin. Phys. Lett. 35 (2) 024203 (2018).
  10. “Bismuth-doped hafnia-yttria-alumina-silica based fiber: spectral characterization in NIR to mid-IR”, A. V. Kir’yanov, S. H. Siddiki, Y. O. Barmenkov, D. Dutta, A. Dhar, Shyamal Das and Mukul Chandra Paul; Optical Materials Express 7 (10) 3548-3560 (2017).
  11. “Erbium-Doped Zirconia-Alumina Silica Glass-Based Fiber as a Saturable Absorber for High Repetition Rate Q-Switched All-Fiber Laser Generation”, P. Harshavardhan Reddy, N. A. A. Kadir, Mukul Chandra Paul, Shyamal Das, A. Dhar, E. I. Ismail, A. A. Latiff, S. W. Harun; Chinese Physics Letters 34 (8) 084203 (2017).

Book Chapters:
  1. “Nano-Engineering Optical Materials for Fiber Laser, Amplifier and Broad-Band Light Source: A Review” M. C. Paul, S. Das, A. Dhar, M. Pal, A. V. Kir’yanov, Yu. O. Barmenkov, A. M. Martínez-Gamez, J. L. Lucio-Martínez, A. Arredondo-Santos, V. A. Kamynin, V. G. Plotnichenko, S. W. Harun, A.A. Latiff, and M. T. Ahmad; Optical Fibers: Technology, Communications and Recent Advances, ISBN: 978-1536109665, Nova Science Publishers, USA (2017).
  2. “Novel Dielectric Nanoparticles (DNP) Doped Nano-Engineered Glass Based Optical Fiber for Fiber Laser” M.C. Paul, A.V. Kir’yanov, S. Das, M. Pal, S. K. Bhadra,Yu.O. Barmenkov, A. A. Martinez-Gamez, J. L. Lucio Martínez, S. Yoo and J. K. Sahu; Advanced Nanomaterials, Synthesis, Properties, and Applications, ISBN: 9781926895796, Apple Academic Press: CRC Press, Taylor and Francis group (2014.)

Patents filed / Granted
Indian: 1 numbers; US: 1 numbers
  1. “A Process of Fabrication of erbium and Ytterbium-co-Doped multi-elements silica glass based cladding-pumped fiber for use as a highly efficient high power optical amplifier”, Mukul C. Paul, Anirban Dhar, Shyamal Das, Mrinmoy Pal and Shyamal Kumar Bhadra, Reference Number: 0038NF2018; Dated: 28-Mar-2018 (India).
  2. “Process of fabrication of rare-earth doped air-clad fiber for use as laser source with high efficiency in the infra-red wavelength region”, S. K. Bhadra, D. Ghosh, M. Pal, M. C. Paul and S. Das, Ref No: 0241 NF 2014 (India).

Notable Research Contribution
Developed large flattened mode (LFM) optical fiber.


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