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Dr. Sulakshna Kumari 

This person is working in this group since 2012.
Affiliation: Universiteit Gent
Department of Information Technology (INTEC)
Address: Technologiepark-Zwijnaarde 15
9052  Gent
Belgium
Phone: +32-9-331 4845
Fax: +32-9-264 3593
E-mail: sulakshna.kumari@ugent.be
Research Area: Integration of GaAs VCSELs into the silicon photonics platform
Promotors: Roel Baets and Gunther Roelkens
PhD Thesis: Sulakshna Kumari, Integratie van GaAs-VCSELs op SiN-golfgeleidercircuits: ontwerp, technologie en componenten, GaAs VCSEL Integration on SiN Waveguide Circuits: Design, Technology and Devices, 12/2017
SulakshnaKumari

Specific Research Topics

Publications (22)

    International Journals

  1. S. Uvin, S. Kumari, A. De Groote, S. Verstuyft, G. Lepage, P. Verheyen, J. Van Campenhout, G. Morthier, D. Van Thourhout, G. Roelkens, 1.3 um InAs/GaAs quantum dot DFB laser integrated on a Si waveguide circuit by means of adhesive die-to-wafer bonding, Optics Express, 26(14), p.18302-18309 (2018)  Download this Publication (4.8MB).
  2. G. Chen, J.J. Goyvaerts, S. Kumari, Van Kerrebrouck, Joris, M. Muneeb, S. Uvin, Yu, Yu, G. Roelkens, Integration of high-speed GaAs metal-semiconductor-metal photodetectors by means of transfer printing for 850 nm wavelength photonic interposers, Optics Express, 26(5), p.6351-6359 (2018)  Download this Publication (2.5MB).
  3. S. Kumari, E. P. Haglund, J. Gustavsson, A. Larsson, G. Roelkens, R. Baets, Vertical-cavity silicon-integrated laser with in-plane waveguide emission at 850 nm, Lasers & Photonics Reviews, 12(2), p.1700206 (2018).
  4. A. Larsson, E. Haglund, J. Gustavsson, S. Kumari, G. Roelkens, R. Baets, Empowering silicon with vertical-cavity lasers, Compound Semiconductor, 23(5), p.40-45 (2017)  Download this Publication (1.4MB).
  5. Z. Wang, A. Abbasi, U.D. Dave, A. De Groote, S. Kumari, B. Kunert, C. Merckling , M. Pantouvaki, Y. Shi, B. Tian, K. Van Gasse, J. Verbist, R. Wang, W. Xie, J. Zhang, Y. Zhu, J. Bauwelinck, X. Yin, Z. Hens, J. Van Campenhout, B. Kuyken, R. Baets, G. Morthier, D. Van Thourhout, G. Roelkens, Novel light source integration approaches for silicon photonics, Laser & Photonics Reviews, 11(4), p.1700063 (21 pages) (2017)  Download this Publication (3MB).
  6. S. Kumari, J. S. Gustavsson, E. P. Haglund, J. Bengtsson, A. Larsson, G. Roelkens, R. Baets, Design of an 845 nm GaAs vertical-cavity silicon integrated laser with an intra-cavity grating for coupling to a SiN waveguide circuit , IEEE Photonics Journal, 9(4), p.1504109 (2017)  Download this Publication (1.2MB).
  7. K. Saurav, S. Kumari, N. Le Thomas, CMOS Fabricated Large Array of Free Standing Substrate-Less Photonic Crystal Cavities for Biosensing Applications, IEEE Photonics Journal, 9(2), (2017)  Download this Publication (701KB).
  8. E.P. Haglund, S. Kumari, E. Haglund, J.S. Gustavsson, R. Baets, G. Roelkens, A. Larsson, Silicon-integrated hybrid-cavity 850-nm VCSELs by adhesive bonding: impact of bonding interface thickness on laser performance , IEEE Journal of Selected Topics in Quantum Electronics, 23(6), p.1700109 (9 pages) (2017)  Download this Publication (4.4MB).
  9. E. P. Haglund, S. Kumari, P. Westbergh, J. Gustavsson, R. Baets, G. Roelkens, A.Larsson, 20 Gb/s modulation of silicon-integrated short-wavelength hybrid-cavity VCSELs, Photonics Technology Letters, 28(8), p.856-858 (2016)  Download this Publication (828KB).
  10. E.P. Haglund, S. Kumari, P. Westbergh, J. Gustavsson, G. Roelkens, R. Baets, A. Larsson, Silicon-integrated short-wavelength hybrid-cavity VCSEL, Optics Express, 23(26), p.33634-33640 (2015)  Download this Publication (5.4MB).
  11. G. Roelkens, A. Abbasi, P. Cardile, U.D. Dave, A. De Groote, Y. De Koninck, S. Dhoore, X. Fu, A. Gassenq, N. Hattasan, Q. Huang, S. Kumari, S. Keyvaninia, B. Kuyken, L. Li, P. Mechet, M. Muneeb, D. Sanchez, H. Shao, T. Spuesens, A. Subramanian, S. Uvin, M. Tassaert, K. Van Gasse, J. Verbist, R. Wang, Z. Wang, J. Zhang, J. Van Campenhout, Y. Xin, J. Bauwelinck, G. Morthier, R. Baets, D. Van Thourhout, III-V-on-silicon photonic devices for optical communication and sensing, Photonics (invited), 2(3), p.969-1004 (2015)  Download this Publication (2.3MB).
      International Conferences

    1. E. Haglund, S. Kumari, J. Goyvaerts, R. Baets, G. Roelkens, A. Larsson, Vertical-cavity silicon-integrated lasers by bonding and transfer printing, accepted for publication in International Semiconductor Laser Conference, United States,  (to be published).
    2. G. Roelkens, J. Zhang, A. De Groote, J. Juvert, N. Ye, S. Kumari, J. Goyvaerts, G. Muliuk, S. Uvin, G. Chen, B. Haq, B. Snyder, J. Van Campenhout, D. Van Thourhout, A. Trindade, Transfer printing for silicon photonics transceivers and interposers, IEEE Optical Interconnects Conference (OI) 2018 (invited), United States, (2018).
    3. S. Uvin, S. Kumari, A. De Groote, S. Verstuyft, G. Morthier, D. Van Thourhout, G. Roelkens, InAs/GaAs quantum dot 1.3um DFB laser heterogeneously integrated on a silicon waveguide circuit, European Conference on Integrated Optics (ECIO'2018), Spain, p.Th.2.A.3-HRP (2018)  Download this Publication (250KB).
    4. K. Saurav, S. Kumari, N. Le Thomas, CMOS fabricated large array of free standing substrate-less photonic crystal cavities for biosensing applications, accepted for publication in IEEE Photonics Conference (IPC),  (to be published).
    5. J.S. Gustavsson, S. Kumari, E.P. Haglund, J. Bengtsson, G. Roelkens, R. Baets, A. Larsson, Silicon-Integrated Hybrid-Vertical-Cavity Lasers for Life Science Applications, 30th Annual conference of the IEEE Photonics Society (IPC) (invited), (2017)  Download this Publication (479KB).
    6. G. Roelkens, E. P. Haglund, S. Kumari, E. Haglund, J. S. Gustavsson, R. Baets, A. Larsson, 850 nm hybrid vertical cavity laser integration for on-chip silicon photonics light sources, Optical Fiber Communication Conference and Exposition (OFC) (invited), United States, p.W3E.6 (2017)  Download this Publication (16.3MB).
    7. E. P. Haglund, S. Kumari, J. S. Gustavsson, E. Haglund, G. Roelkens, R. Baets, A. Larsson, Hybrid vertical-cavity laser integration on silicon, SPIE Photonics West , United States (invited), United States, p.101220H (2017)  Download this Publication (3.7MB).
    8. S. Kumari, E. P. Haglund, J. S. Gustavsson, A. Larsson, G. Roelkens, R. Baets, Design of an intra-cavity SiN grating for integrated 850nm VCSELs, Proceedings of the Annual Symposium of the IEEE Photonics Benelux Chapter, Belgium, (2016), (2016)  Download this Publication (238KB).
    9. E. P. Haglund, S. Kumari, E. Haglund, J. Gustavsson, R. Baets, G. Roelkens, A. Larsson, Impact of bonding interface thickness on the performance of silicon-integrated hybrid-cavity VCSELs, International Semiconductor Laser Conference, Japan, p.TuD8 (2016)  Download this Publication (1.5MB).
    10. E. P. Haglund, S. Kumari, J. Gustavsson, P. Westbergh, G. Roelkens, R. Baets, A.Larsson, Dynamic Properties of Silicon Integrated Short Wavelength Hybrid Cavity VCSEL, SPIE Photonics West , United States, 9766, p.976607 (2016)  Download this Publication (4.9MB).
    11. S. Kumari, Johan Gustavsson, R. Wang, Emanual Haglund , Petter Westbergh, D. Sanchez, Eric Haglund, Asa Haglund, Jorgen. Bengtsson, N. Le Thomas, G. Roelkens, Anders Larsson, R. Baets, Integration of GaAs-based VCSEL array on SiN platform with HCG reflectors for WDM applications, SPIE Photonics West , United States, (2015)  Download this Publication (501KB).
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