Dr. Sarvagya Dwivedi Profile

Dr. Sarvagya Dwivedi

at Rockley Photonics Ltd

SPIE Involvement:

Author

Publications (6)

Proceedings Article | 11 March 2024 Presentation + Paper

Photonic crystal enhanced Germanium photodetector on a CMOS compatible SOI platform

Aditya Jain, Richard Pitwon, Sarvagya Dwivedi, Anil Reddy

Proceedings Volume 12892, 1289206 (2024) https://doi.org/10.1117/12.3001855

KEYWORDS: Germanium, Photonic crystals, Waveguides, Slow light, Silicon, Dark current, Photodiodes, Photocurrent, Integrated optics, Polymer optics

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Proceedings Article | 9 March 2024 Presentation

Micro-transfer printed III-V on silicon nitride narrow-linewidth laser with extended frequency chirp capability for distributed acoustic sensing measurements

Guénolé Dandé, Jimmy Pennanech, Biwei Pan, Emadreza Soltanian, Jing Zhang, Bart Kuyken, Günther Roelkens, Sarvagya Dwivedi, Marcus Dahlem, Cian Cummins, Sandeep Seema Saseendran, Nga Pham, Philippe Helin, Nicolas Vaissiere, Delphine Néel, Joan Ramirez, Jean Decobert, Stefan Ertl, Johanna Rimböck, Ruggero Loi, Raja Fazan Gul, Alin Fecioru, Ines Ghorbel, Vincent Crozatier, Vincent Kemlin, Vincent Billault, Jérôme Bourderionnet

Proceedings Volume PC12890, PC128900J (2024) https://doi.org/10.1117/12.3000848

KEYWORDS: Laser frequency, Silicon nitride, Printing, Acoustics, Frequency modulation, Tunable lasers, Spatial resolution, Remote sensing, Nonimpact printing, LIDAR

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Proceedings Article | 5 March 2021 Presentation

Integrated photonics beamformers and engines for solid-state LiDAR and beyond

Xavier Rottenberg, Marcus Dahlem, Roelof Jansen, Jon Øyvind Kjellman, Mathias Prost, Bruno Figeys, Sarvagya Dwivedi, Tangla Kongnyuy, Aleksandrs Marinins, Sandeep Saseendran, Philippe Soussan

Proceedings Volume 11690, 1169008 (2021) https://doi.org/10.1117/12.2583083

KEYWORDS: LIDAR, Phased arrays, Integrated photonics, Solid state electronics, Scanners, Near infrared, Ranging, Phase shifts, Interferometers, Antennas

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Proceedings Article | 26 February 2020 Presentation + Paper

Dispersive optical phased array circuit for high-resolution pixelated 2D far-field scanning controlled by a single wavelength variable

Wim Bogaerts, Marcus Dahlem, Sarvagya Dwivedi, Roelof Jansen, Xavier Rottenberg

Proceedings Volume 11284, 112841Z (2020) https://doi.org/10.1117/12.2544937

KEYWORDS: Antennas, Waveguides, Phased array optics, LIDAR, Diffraction, Optical circuits, Silicon, Scanners, Photonic integrated circuits

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Proceedings Article | 25 February 2020 Presentation + Paper

Silicon photonic phase interrogators for on-chip calibration of optical phased arrays

Jon Øyvind Kjellman, Mathias Prost, Aleksandrs Marinins, Hemant Kumar Tyagi, Tangla David Kongnyuy, Sarp Kerman, Benedetto Troia, Bruno Figeys, Sarvagya Dwivedi, Marcus Dahlem, Philippe Soussan, Xavier Rottenberg, Roelof Jansen

Proceedings Volume 11283, 112830X (2020) https://doi.org/10.1117/12.2546542

KEYWORDS: Calibration, Phased array optics, Silicon, Optical calibration, Silicon photonics, Phase measurement

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Proceedings Article | 2 April 2015 Paper

Silicon photonics non-resonant wavelength filters: comparison between AWGs, echelle gratings, and cascaded Mach-Zehnder filters

Wim Bogaerts, Shibnath Pathak, Alfonso Ruocco, Sarvagya Dwivedi

Proceedings Volume 9365, 93650H (2015) https://doi.org/10.1117/12.2082785

KEYWORDS: Waveguides, Silicon photonics, Optical filters, Stars, Silicon, Bismuth, Demultiplexers, Wavelength division multiplexing, Integrated optics, Image quality

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Showing 5 of 6 publications

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