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Dr. Sarvagya Dwivedi (Doctoral Researcher)

This person worked in the group from 2011 till 2016.

Affiliation:	UCSB
Address:	9000 Ghent Belgium
Phone:	+32-9-264 3445
E-mail:	sarvagya.dwivedi@intec.ugent.be
Research Area:	Silicon Modulator
Promotor:	Wim Bogaerts
PhD Thesis:	Sarvagya Dwivedi, Tolerante Spectrale Filters met Behulp van Nanofotonische Golfgeleiders in Silicium, Tolerant Spectral Filters using Silicon Nanophotonic Waveguides, 2/2016

Sarvagya Dwivedi recieved Masters degree in Electrical Engineering from Indian institute of Technology Bombay (IITB) in 2009 with specialization in Communication and signal processing. From 2009 - 2011, he worked for COMSOL Multiphysics in its Bangalore office (India) where he was involved in designing and analyzing MEMS devices and coupled field problems.

Specific Research Topics

Patents

S. Dwivedi, W. Bogaerts, Integrated photonic devices with reduced sensitivity to external influences

Publications (19)

International Journals

A. Pandey, S. Dwivedi, Z. Tang, Shilong Pan, D. Van Thourhout, Nonreciprocal Light Propagation in a Cascaded All-Silicon Microring Modulator, ACS Photonics, 8(7), p.1997-2006 doi:/10.1021/acsphotonics.1c00040 (2021) .
W. Bogaerts, S. Dwivedi, R. Jansen, X. Rottenberg, M.S. Dahlem, A 2D Pixelated Optical Beam Scanner Controlled by the Laser Wavelength, IEEE Journal on Selected Topics in Quantum Electronics, 27(1), doi:10.1109/JSTQE.2020.3017230 (2020) .
Y. Xing, J. Dong, S. Dwivedi, U. Khan, W. Bogaerts, Accurate Extraction of Fabricated Geometry Using Optical Measurement, Photonics Research, 6 (11), p.1008-1020 doi:10.1364/PRJ.6.001008 (2018) .
S. Dwivedi, A. Ruocco, M. Vanslembrouck, T. Spuesens, P. Bienstman, P. Dumon, T. Van Vaerenbergh, W. Bogaerts, Experimental Extraction of Effective Refractive Index and Thermo-Optic Coefficients of Silicon-On-Insulator Waveguides using Interferometers, Journal of Lightwave Technology , 33(21), p.4471 - 4477 doi:10.1109/JLT.2015.2476603 (2015) .
S. Dwivedi, H. D'heer, W. Bogaerts, Maximizing fabrication and thermal tolerances of all-silicon FIR wavelength filtering devices, Photonics Technology Letters , 27(8), p.871-874 doi:10.1109/LPT.2015.2398464 (2015) .
A. Malik, S. Dwivedi, L. Van Landschoot, M. Muneeb, Y. Shimura, G. Lepage, J. Van Campenhout, W. Vanherle, T. Van Opstal, R. Loo, G. Roelkens, Ge-on-Si and Ge-on-SOI thermo-optic phase shifters for the mid-infrared, Optics Express, 22(23), p.28479-28488 doi:10.1364/OE.22.028479 (2014) .
S. Dwivedi, H. D'heer, W. Bogaerts, A compact all-silicon temperature insensitive filter for WDM and bio-sensing applications, IEEE Photonics Technology Letters , 25(22), p.2167 - 2170 doi:10.1109/LPT.2013.2282715 (2013) .
H. Yu, M. Pantouvaki, S. Dwivedi, P. Verheyen, G. Lepage, R. Baets, W. Bogaerts, P. Absil, J. Van Campenhout, Compact, Thermally Tunable Silicon Racetrack Modulators Based on an Asymmetric Waveguide, IEEE photonics technology letters, doi:10.1109/lpt.2012.2230619 (2013) .

International Conferences

S. Dwivedi, M. Prost, T. David Kongnyuy, J.Oe. Kjellman, X. Rottenberg, R. Jansen, W. Bogaerts, M.S. Dahlem, Dispersive OPA at Very Near-Infrared Wavelengths, IEEE Photonics Conference, p.WE3.3 doi:10.1109/IPC48725.2021.9592920 (2021) .
A. Pandey, S. Dwivedi, D. Van Thourhout, Cavity modulator assisted nonreciprocal light transmission on Silicon, 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO Europe-EQEC), (2021) .
W. Bogaerts, M. Dahlem, S. Dwivedi, R. Jansen, X. Rottenberg, Dispersive optical phased array circuit for high-resolution pixelated 2D far-field scanning controlled by a single wavelength variable, Photonics West (OPTO) (invited), 11284, United States, p.112841Z doi:10.1117/12.2544937 (2020) .
A. Ribeiro, S. Dwivedi, W. Bogaerts, A Thermally Tunable but Athermal Silicon MZI Filter, 18th European Conference in Integrated Optics 2016 (ECIO), Poland, p.paper ECIO/0-25 (2016) .
S. Dwivedi, P. De Heyn, P. Absil, J. Van Campenhout, W. Bogaerts, Coarse Wavelength Division Multiplexer on Silicon-On-Insulator for 100 GbE, 12th International Conference on Group IV Photonics (GFP), Canada, p.WC2 doi:10.1109/group4.2015.7305928 (2015) .
S. Dwivedi, T. Van Vaerenbergh, A. Ruocco, T. Spuesens, P. Bienstman, P. Dumon, W. Bogaerts, Measurements of Effective Refractive Index of SOI Waveguides using Interferometers, Integrated Photonics Research, Silicon and Nano Photonics (IPR 2015), United States, p.IM2A.6 doi:10.1364/iprsn.2015.im2a.6 (2015) .
W. Bogaerts, S. Pathak, A. Ruocco, S. Dwivedi, P. De Heyn, P. Dumon, D. Van Thourhout, J. Van Campenhout, P. Absil, Silicon photonics non-resonant wavelength filters: comparison between AWGs, echelle gratings and cascaded Mach-Zehnder filters., Proc. SPIE 9365, Integrated Optics: Devices, Materials, and Technologies XIX (invited), United States, p.93650H doi:10.1117/12.2082785 (2015) .
S. Dwivedi, H. D'heer, W. Bogaerts, Fabrication and Thermal Tolerant all-Silicon Wavelength Filtering Devices, IEEE Photonics Society Benelux, Netherlands, (2014) .
S. Dwivedi, H. D'heer, W. Bogaerts, Fabrication tolerant silicon MZI filter, 11th International Conference on Group IV Photonics (GFP), France, p.147-148 doi:10.1109/group4.2014.6961969 (2014) .
S. Dwivedi, H. D'heer, W. Bogaerts, A compact temperature insensitive filter using splitter polarization-rotating section, Group IV Photonics, South Korea, p.WC6 doi:10.1109/group4.2013.6644474 (2013) .
S. Dwivedi, W. Bogaerts, Compact Athermal Filter in Silicon Waveguides for WDM and bio-sensing applications, Fiber Optics and Photonics 2012, p.M.2.B.3, India, doi:10.1364/photonics.2012.m2b.3 (2012) .

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