Suivre
Sandeep Ummethala
Sandeep Ummethala
Senior Photonic Design R&D Engineer at Keysight Technologies
Adresse e-mail validée de keysight.com
Titre
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Année
THz-to-optical conversion in wireless communications using an ultra-broadband plasmonic modulator
S Ummethala, T Harter, K Koehnle, Z Li, S Muehlbrandt, Y Kutuvantavida, ...
Nature photonics 13 (8), 519-524, 2019
2162019
Generalized Kramers–Kronig receiver for coherent terahertz communications
T Harter, C Füllner, JN Kemal, S Ummethala, JL Steinmann, M Brosi, ...
Nature Photonics 14 (10), 601-606, 2020
1702020
Silicon-organic hybrid (SOH) and plasmonic-organic hybrid (POH) integration
C Koos, J Leuthold, W Freude, M Kohl, L Dalton, W Bogaerts, ...
Journal of Lightwave Technology 34 (2), 256-268, 2015
1662015
Wireless THz link with optoelectronic transmitter and receiver
T Harter, S Ummethala, M Blaicher, S Muehlbrandt, S Wolf, M Weber, ...
Optica 6 (8), 1063-1070, 2019
992019
Silicon–plasmonic integrated circuits for terahertz signal generation and coherent detection
T Harter, S Muehlbrandt, S Ummethala, A Schmid, S Nellen, L Hahn, ...
Nature Photonics 12 (10), 625-633, 2018
772018
Diamond as a material for monolithically integrated optical and optomechanical devices
P Rath, S Ummethala, C Nebel, WHP Pernice
physica status solidi (a) 212 (11), 2385-2399, 2015
632015
Hybrid electro-optic modulator combining silicon photonic slot waveguides with high-k radio-frequency slotlines
S Ummethala, JN Kemal, AS Alam, M Lauermann, A Kuzmin, ...
Optica 8 (4), 511-519, 2021
532021
110-m THz wireless transmission at 100 Gbit/s using a Kramers-Kronig Schottky barrier diode receiver
T Harter, C Füllner, JN Kemal, S Ummethala, M Brosi, E Bründermann, ...
2018 European Conference on Optical Communication (ECOC), 1-3, 2018
402018
Diamond electro-optomechanical resonators integrated in nanophotonic circuits
P Rath, S Ummethala, S Diewald, G Lewes-Malandrakis, D Brink, ...
Applied Physics Letters 105 (25), 2014
302014
Capacitively coupled silicon-organic hybrid modulator for 200 Gbit/s PAM-4 signaling
S Ummethala, JN Kemal, M Lauermann, AS Alam, H Zwickel, T Harter, ...
CLEO: QELS_Fundamental Science, JTh5B. 2, 2019
182019
Terahertz-to-optical conversion using a plasmonic modulator
S Ummethala, T Harter, K Köhnle, S Muehlbrandt, Y Kutuvantavida, ...
CLEO: Science and Innovations, STu3D. 4, 2018
152018
High-Q optomechanical circuits made from polished nanocrystalline diamond thin films
S Ummethala, P Rath, G Lewes-Malandrakis, D Brink, C Nebel, ...
Diamond and related materials 44, 49-53, 2014
132014
Nat. Photonics 13, 519 (2019)
S Ummethala, T Harter, K Koehnle, Z Li, S Muehlbrandt, Y Kutuvantavida, ...
10
Generalized Kramers-Kronig receiver for 16QAM wireless THz transmission at 110 Gbit/s
T Harter, C Füllner, JN Kemal, S Ummethala, JL Steinmann, M Brosi, ...
45th European Conference on Optical Communication (ECOC 2019), 1-4, 2019
82019
Wireless transmission at 0.3 THz using direct THz-to-optical conversion at the receiver
S Ummethala, T Harter, K Koehnle, Z Li, S Muehlbrandt, Y Kutuvantavida, ...
2018 European Conference on Optical Communication (ECOC), 1-3, 2018
82018
Silicon-plasmonic photomixer for generation and homodyne reception of continuous-wave THz radiation
T Harter, S Muehlbrandt, S Ummethala, A Schmid, A Bacher, L Hahn, ...
CLEO: Science and Innovations, SM4E. 5, 2016
72016
Plasmonic-Organic and Silicon-Organic Hybrid Modulators for High-Speed Signal Processing
S Ummethala
32021
Horizontal-Slot Plasmonic-Organic Hybrid (POH) Modulator
S Ummethala, VA Pammi, AHM Uddin, L Hahn, W Freude, C Koos
2020 Conference on Lasers and Electro-Optics (CLEO), 1-2, 2020
32020
Waveguide component
W Freude, C Koos, M Lauermann, S Ummethala
US Patent 11,543,688, 2023
12023
Nested nonconcentric microring resonators with high-Q and large fabrication tolerance
R Haldar, S Ummethala, RK Sinha, SK Varshney
JOSA B 38 (12), 3743-3753, 2021
12021
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