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Publications |
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2020 1.
Dhiman Kakati,
Manoranjan Minz, and
Ramesh Sonkar, " Performance of Grating-Assisted
Passive MDM Device using Silicon Photonics for High-Speed RoF/RoFSO Communication " Accepted for publication in
Optical Engineering, 2020. 2.
Darpan Mishra and Ramesh
Kumar Sonkar, " Performance assessment of a silicon traveling-wave
Mach-Zehnder modulator employing quasi-TM mode propagation " Accepted
for publication in Optical Engineering, 2020. 3.
Sumantra Chaudhuri, Rakhesh Singh Kshetrimayum, and Ramesh Kumar Sonkar," High
port-to-port isolation dual circularly polarised microstrip patch antenna
with multifunction DGS," IET Microwaves, Antennas &
Propagation, Volume 14, Issue
15, p. 2035 – 2044, 16 December 2020 4.
Nayek, Narugopal; Joshi, Mohit; Sonkar,
Ramesh; Tiwari, Tapeshwar; Bhattacharjee, Ratnajit, "Design and
Efficiency Enhancement of a Ka-band Industrial Gyrotron," IEEE Transactions on Plasma Science, Volume:
48, Issue: 11, Page (s): 3807 - 3814, Nov. 2020 5.
Sumantra Chaudhuri, Mohit Mishra, Rakhesh Singh Kshetrimayum, Ramesh Kumar Sonkar, Haradhan Chel, and Vivek
Kumar Singh, "Rectangular
DRA Array for 24 GHz ISM-Band Applications," IEEE Antennas
and Wireless Propagation Letters, Vol. 19, Issue: 9, pp. 1501-1505 September 2020. 6.
Manoranjan Minz and Ramesh Kumar
Sonkar, "Numerical Modeling and Analysis of a TM Mode-Division
(De)multiplexer Based on Grating Assisted Couplers," Optical and Quantum Electronics, Vol.
52, Article number: 400(1-19), September 2020 7.
Darpan Mishra, Manoranjan Minz, and Ramesh Sonkar, "Effect
of Pre-amorphization and Annealing on the Performance of a Silicon Optical
Phase Shifter," OSA Frontiers in Optics + Laser Science APS/DLS,
JTu1A.50, Virtual Web Conference,14-17 September 2020, 8.
Dhiman Kakati and
Ramesh Kumar Sonkar, "A
2x320 Gbps Hybrid PDM-MDM-OFDM System for High-Speed Terrestrial FSO
Communication," 14th Pacific Rim Conference on Lasers and
Electro-Optics 2020, C5F_3, 3-5 August 2020, Australia. 9.
Manoranjan Minz, Darpan Mishra, and Ramesh
Kumar Sonkar, "Compact
Polarization Beam Splitter Using Contra-Directional Gratings on SOI platform,"
14th Pacific Rim Conference on Lasers and Electro-Optics 2020, P2_21, 3-5
August 2020, Australia. 10. Darpan Mishra, Manoranjan Minz, and Ramesh Kumar Sonkar, "Performance Evaluation of
a Quasi-TM Mode Silicon Optical Modulator," IEEE Region 10 Symposium
(TENSYMP) 2020, Dhaka, Bangladesh. 11. Darpan Mishra and Ramesh Kumar Sonkar, "Mode,
Dispersion, and Loss Analysis of a Graded-Index Germanium-Doped Silicon
Buried Strip Waveguide" Optical Engineering, vol.
59, no. 1, 016118, January 2020. 12. Darpan Mishra and Ramesh Kumar Sonkar, "2D Modeling of Silicon Optical PN Phase Shifter," Applied
Optics, vol. 59, no. 4, pp. 998-1007, February 2020. 13. Veerapuram Sumanth, Manish Yadav, Soibam Aruna Chanu, and Ramesh Kumar Sonkar, "Silicon Waveguides for
Mid-infrared Integrated Photonics, " 8th IEEE International
Conference on Photonics 2020, 16-18 March 2020, Malaysia. 14.
Darpan Mishra, Manoranjan Minz, and Ramesh Kumar Sonkar, "A 2D Optimization Model
for Silicon Optical PN Phase Shifter Simulation, " 8th IEEE
International Conference on Photonics 2020, 16-18 March 2020, Malaysia. 15.
Mohd Mansoor Khan, Ramesh Kumar Sonkar, "Propagation
Loss and Non-linear Effects on Modulation Instability in Thulium Doped Fiber Amplifiers Operating in S and near-C Bands,"
8th IEEE International Conference on Photonics 2020, 16-18 March 2020,
Malaysia. 16.
Manoranjan Minz and Ramesh Kumar
Sonkar. "Design and Analysis of a Grating Assisted Hybrid Mode
and Polarization (De)multiplexer," Applied Optics,
Vol. 59, Issue 3, pp. 785-794 (2020). 2019 17.
Chaitanya Chauhan, Asutosh Behera,
Navneet Dhar, Bidisha Das, Shweta Modak, Ramesh Kumar Sonkar, "Real Time Portable and Cost Effective Vein Finder," International Workshop
on Physics of Semiconductor Devices (IWPSD) 2019, Kolkata, India December
17-20, 2019 18. Narugopal Nayek, Ramesh Sonkar, Mohit Kr.
Joshi, Tapeshwar Tiwari, Ratnajit Bhattacharjee, "H-Plane Loaded Sine
Waveguide TWT in G-Band," Asia-Pacific Microwave Conference (APMC)
2019, Sands Expo & Convention Centre, Level 4 & 5, Marina Bay Sands
Singapore, 10 - 13 December 2019 19. Ursula
Das, Prerana Mazumder,
Ramesh Kumar Sonkar, "Smart LED Based Streetlight System," IEEE
Workshop on Recent Advances in Photonics (WRAP) 2019, Guwahati, India, 13-14
December 2019 20. Manish Yadav, Veerapuram Sumanth, Soibam Aruna Chanu, Ramesh Kumar Sonkar, "Modal Analysis of Silicon Photonic Waveguides at Mid-IR Wavelengths," IEEE Workshop on Recent Advances in
Photonics (WRAP) 2019, Guwahati, India, 13-14 December 2019 21. Manoranjan Minz,
Darpan Mishra, and Ramesh Kumar Sonkar, "Design of a Hybrid Mode and Polarization Division
Multiplexer," Asia Communications and Photonics
Conference ACP-2019, Chengdu, China, 2-5 November 2019 22. Mohd Mansoor Khan, Ramesh Kumar
Sonkar "Performance estimation of Thulium doped fiber amplifiers in S-Band including Amplified Spontaneus Emission: Ion-Ion interaction analysis," 2019
IEEE Region 10 Conference (TENCON), Kochi, Kerala, India, October 17-20,
2019 23.
Sumantra Chaudhuri, Rakhesh Singh Kshetrimayum, Ramesh Kumar Sonkar, and Mohit Mishra
"Dual
circularly polarised travelling wave slot antenna array," Electronics
Letters, Vol. 55, Issue 20, pp 1071-1073, 2019 24.
Mohd Mansoor Khan and Ramesh Kumar Sonkar, "An
ion-ion interaction analysis-based performance estimation of
thulium-doped fiber amplifiers in s-band
including amplified spontaneous emission," SPIE/COS
Photonics Asia 2019, Hangzhou, China. 25.
Manoranjan Minz, Darpan Mishra, and Ramesh
Kumar Sonkar, "Grating assisted MDM-PDM hybrid (de)multiplexer for
optical interconnect applications," SPIE/COS
Photonics Asia 2019, Hangzhou, China. 26.
Darpan Mishra, Manoranjan Minz, and
Ramesh Kumar Sonkar, "Bandwidth optimization of germanium-doped silicon
optical modulator for high-speed applications," SPIE/COS
Photonics Asia 2019, Hangzhou, China. 27.
Mohd Mansoor Khan, and Ramesh Kumar Sonkar, "Numerical modeling and simulations on splitting of chirped
optical pulses in heavily doped thulium fiber amplifiers
through modal instability analysis," SPIE/COS
Photonics Asia 2019, Hangzhou, China. 28.
Sumantra Chaudhuri, Rakhesh Singh Kshetrimayum, Ramesh Sonkar, "High
inter-port isolation dual circularly polarized slot antenna with interdigital
capacitor," International Journal of RF and Microwave
Computer-Aided Engineering, Vol 29, Issue 10, p.e21903, 2019 29.
Rakhesh Singh Kshetrimayum, Ramesh
Sonkar, Sumantra Chaudhuri, "High
inter-port isolation dual circularly polarized slot antenna with split-ring
resonator based novel metasurface,
" AEU International Journal of Electronics and Communications, Vol. 107, pp 146-156, July 2019 30.
Manoranjan Minz, Darpan Mishra, and Ramesh
Kumar Sonkar, "Mode-Division Multiplexer with Contra-directional
Couplers," 24th Optoelectronics and
Communications Conference /Photonic in Switching and Computing Conference
(OECC/PSC 2019), July 7th to 11th 2019, Fukuoka, Japan 31.
Darpan Mishra and Ramesh
Kumar Sonkar, "Analysis of Germanium Doped Silicon Vertical PN
Junction Optical Phase Shifter," Journal of the
Optical Society of America B, Vol. 36, No. 5, 1348-1354, May 2019. 32.
Narugopal Nayek, Ramesh Kumar Sonkar,
and Ratnajit Bhattacharjee, "Elimination of Mode Competition in TE0n Mode Gyrotron," 41st Photonics
& Electromagnetics Research Symposium (PIERS) 2019, Rome, Italy, 17
June until 20 June 2019 33.
Manoranjan Minz, Darpan Mishra, and Ramesh
Kumar Sonkar, "Design of a 3-channel Mode-division Multiplexer Based
on Grating Assisted Couplers," 41st Photonics
& Electromagnetics Research Symposium (PIERS) 2019, Rome, Italy, 17
June until 20 June 2019 34.
Manoranjan Minz and Ramesh Kumar
Sonkar, "Numerical Design and Analysis of a 3-channel Grating
Assisted Mode-Division (De)multiplexer" Optik - International Journal for Light
and Electron Optics, vol. 187, pp. 272-277, 2019. 35.
Darpan Mishra, Manoranjan Minz, and
Ramesh Kumar Sonkar, "Effect of Germanium Doping on the Performance of a
Silicon Optical Modulator," 41st Photonics
& Electromagnetics Research Symposium (PIERS) 2019, Rome, Italy, 17
June until 20 June 2019 36.
Sumantra Chaudhuri, Rakhesh Singh Kshetrimayum, Ramesh Kumar Sonkar, and Darpan Mishra,
"Dual Circularly Polarized Slot Antenna with Novel
Isolator," 41st Photonics &
Electromagnetics Research Symposium (PIERS) 2019, Rome, Italy, 17 June
until 20 June 2019 37.
Sumantra Chaudhuri, Rakhesh Singh Kshetrimayum, Ramesh Kumar Sonkar, and Darpan Mishra,
"High Gain Dual Linearly Polarized Patch Antenna Array," 41st Photonics
& Electromagnetics Research Symposium (PIERS) 2019, Rome, Italy, 17
June until 20 June 2019 38.
Mohd Mansoor Khan, and Ramesh Kumar Sonkar, "Chirped Pulse
Splitting in Heavily Doped Thulium Fiber Amplifiers
through Modal Instability: Numerical Modeling and
Simulation" 41st Photonics & Electromagnetics
Research Symposium (PIERS) 2019, Rome, Italy, 17 June until 20 June 2019 39.
Sumantra Chaudhuri, Rakhesh Singh Kshetrimayum, Ramesh Kumar Sonkar, "High Inter-port Isolation Dual Circularly Polarized
Modified Franklin Microstrip Antenna", 13th European
Conference on Antenna and Propagation (EuCAP) 2019,
Krakow, Poland, 31 March - 5 April 2019. 40.
Darpan Mishra and Ramesh
Kumar Sonkar, "Analysis of a Process Simulated Graded-Index Strained
Silicon-Germanium Optical Phase Shifter", Optical
Materials, Volume 89, Pages 604-608, March 2019. 41.
Mohd. Mansoor Khan and Ramesh Kumar Sonkar, "Analytical
Model for Signal and Gain Modulation on Thulium Doped Fiber Amplifiers in S and near-C Bands including
Amplified Spontaneous Emission: Signal Power Analysis",
Optical Engineering, vol. 58, no. 2, 026103, 2019. 2018 42. Mohd.
Mansoor Khan and Ramesh Kumar Sonkar, "Signal
Wavelength Effect on Overmodulation in Thulium Doped Fiber Amplifiers with
Amplified Spontaneous Emission: A Simulink Pedestal", Journal of
Optical Communications, DOI: https://doi.org/10.1515/joc-2018-0192, Published
Online: 2018-11-30 43. Darpan
Mishra, R. K. Sonkar, "Design
and Analysis of a Graded-Index Strained SiGe
Optical PN Phase Shifter", IEEE Photonics Journal, DECEMBER 2018,
Volume: 10, Issue: 6, Page(s): 1-14. 44. Darpan
Mishra, Manoranjan Minz,
Ramesh Kumar Sonkar, "Mode and Loss Analysis of
an Ultra-Small Graded-Index Strip Waveguide for Multimode Datacenter
Application", Proc. of the 7th IEEE International Conference on
Photonics 2018, Malaysia, April 9-11, 2018. 45. Manoranjan
Minz, Darpan Mishra, Ramesh Kumar Sonkar, "Design
of a Grating Assisted Mode-Division Multiplexer", Proc. of the 7th
IEEE International Conference on Photonics 2018, Malaysia, April 9-11, 2018. 2017 46. Darpan
Mishra, R. K. Sonkar, "Mode
and Loss Analysis of a Graded Si1-xGex Strip Waveguide", Proc. of the
2017 Asia Communication and Photonics (ACP-2017) Conference, China, November
10-13, 2017. 47. Mohd. Mansoor Khan and Ramesh Kumar
Sonkar, "Overmodulation
Gain Dynamics in Thulium Doped Fiber Amplifiers
Including Amplified Spontaneous Emission", Proc. of the 2017 IEEE
Region 10 Conference (TENCON), Malaysia, November 5-8, 2017. 48. Darpan Mishra, Ramesh Kumar Sonkar,
"Effect of Junction
Profile on the Phase and Loss Characteristics of a Silicon Optical Modulator,"
Workshop on recent advances in Photonics, WRAP 2017, December 18-19, 2017,
Hyderabad, India. 2016 49. Ramesh K Sonkar and Utpal Das, "F-ion
implanted quantum well intermixed waveguide grating," Opt Quant Electron (2016) 48: 58.
doi:10.1007/s11082-015-0343-7. 50. Taslish Chadha, Vineet Chaudhary, Rohit Jain,
Riya Paul, Megha Rawat and Ramesh Sonkar, "Noninvasive
in-vivo Measurement of Hemoglobin and Glucose Concentration of Human Blood,"
The International Conference on Fiber Optics and Photonics, December 04-08,
2016, Kanpur, India. 51. Mohd. Mansoor Khan, Ramesh Kumar Sonkar,
"Analytical Model for gain modulation in Thulium doped fiber amplifiers(TDFA) operating in S-Band regime,"
International Conference on Light and Light based technologies, November
26-28, 2016, Tezpur, India. 52. Debottam Dutta, Siddharth Sankar Acharjee, Jigyash Bharadwaj, Pronoy Bikash Phukon, Jahidul Islam, Ramesh Kumar Sonkar, "Modelling and
Design of an LED Street Lamp," International Conference on Light and Light based technologies, November 26-28, 2016, Tezpur, India. 53. Taslish Chadha, Vineet Choudhary, Rohit Jain,
Riya Paul,Megha Rawat, R K
Sonkar, "Non-Invasive in vivo Hemoglobin Measurement of Human Blood,"
International Conference on Light and Light based technologies, November
26-28, 2016, Tezpur, India. 2015 and
before 54. Mohd. Mansoor Khan and Ramesh Kumar
Sonkar, "Design
and proposal of dual line-of-defense perimeter
watchdog incorporating optimally designed FBG based accelerometers and strain
sensors using single optical fiber", Proc.
SPIE 9654, International Conference on Optics and Photonics 2015, 965413
(June 15, 2015); doi:10.1117/12.2181626. 55. Kumar Abhishek, Amodh
Kant Saxena, Ramesh Kumar Sonkar, "Non-Invasive Measurement
of Heart Rate and Hemoglobin Concentration Level
Through Fingertip", Signal Processing, Informatics, Communication
and Energy Systems (SPICES), 2015 IEEE International Conference on Year:
2015. 56. Bhagwan Raad,
Ramesh Kumar Sonkar, Pravin Kondekar, "Determination of
Transformer Oil Age Using Long Period Grating", Workshop on recent
advances in Photonics, WRAP 2015, December 16-17, 2015, Bangalore, India. 57. Ramesh K. Sonkar and Utpal Das, "Fabrication of F-ion Implanted Quantum
Well Intermixed Waveguide Grating", Photonics Global Conference, 13-16
December 2012, Singapore. 58. Utpal Das and Ramesh Kumar Sonkar, "CWDM
Integrated Waveguide Gratings by InGaAsP/InP Quantum Well Intermixing", 7th International
Conference on Electrical and Computer Engineering, 20-22 December 2012,
Dhaka, Bangladesh. 59. Ramesh K. Sonkar and Utpal Das, "Fabrication of Waveguide Grating",
XVI international Workshop on the Physics of Semiconductor Devices, December
19-22, 2011, IIT Kanpur, India. 60. Ramesh K. Sonkar and Utpal Das, "Quantum
well intermixed waveguide grating", Opt. Quant. Electron, 2011,
Volume 42, Numbers 9-10, 631-643. 61. Ramesh Kumar Sonkar and Utpal Das, "Waveguide Grating Using Quantum well
Intermixing", International Journal of Research and Reviews in Applied
Sciences, Vol. 5, No.1, October 2010, pp 43-51. 62. Ramesh K Sonkar and Utpal Das, "Integrated
Waveguide Grating Using Impurity Induced Quantum Well Intermixing",
AOE 2008, Oct 30- Nov 02, 2008, Shanghai China. 63. Ramesh K Sonkar, Ajay K Srivastava and
Utpal Das, "CWDM Bragg Gratings using
F-Implanted QW Intermixing", EPDMS 06, Calcutta, India. 64. Ramesh K. Sonkar and Utpal Das, "Analysis of Implantation
Induced Gratings for CWDM", CLEO/QELS 2005, Baltimore, Maryland,
USA. 65. Ramesh K. Sonkar and Utpal Das, "InGaAs/GaAs
Waveguide Grating Using Impurity Induced Quantum Well Intermixing",
Accepted in IEEE Photonics Global at Singapore 2008. 66. Ramesh Kumar Sonkar and Utpal Das, "Ion Implanted CWDM Bragg Gratings",
International Conference on Optoelectronics and Lasers (ICOL), December 2005,
Dehradun, India. 67. R. K. Sonkar and Utpal
Das, "Analysis of CWDM grating", Photonics 2004: Seventh
International Conference on Optoelectronics, Fiber Optics and Photonics,
December 9-11 2004, Cochin, India. |
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