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Siddharth Sivankutty

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Publications

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Two-Photon Lensless Endoscopes with Multicore Fibers

Fatima El Moussawi , Matthias Hofer , Siddharth Sivankutty , Andrea Bertoncini , Damien Labat
2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Jun 2023, Munich, France. ⟨10.1109/CLEO/Europe-EQEC57999.2023.10231882⟩
Conference papers hal-04282751v1

Flexible two-photon lensless endoscope with tapered multicore fibers

Hervé Rigneault , Esben Ravn Andresen , Siddharth Sivankutty , Géraud Bouwmans , Rosa Cossart
Photonics West 2023, Jan 2023, San Francisco, United States
Conference papers hal-03982027v1

Lensless endoscopy

Naveen Gajendra , Siddharth Sivankutty , Viktor Tsvirkun , Esben Ravn Andresen , Olivier Vanvincq
Optique Dijon 2021, Jul 2021, Dijon, France
Conference papers hal-03283321v1

Flexible lensless endoscope with a conformationally invariant multi-core fiber

Herve Rigneault , Viktor Tsvirkun , Siddharth Sivankutty , Géraud Bouwmans , Olivier Vanvincq
Photonics West 2020, Feb 2020, San Francisco, United States
Conference papers hal-02473748v1

Spatial frequency projection imaging of coherent anti-Stokes Raman scattering (SPIFI-CARS)

Herve Rigneault , Sandro Heuke , Siddharth Sivankutty , Camille Scotté , Randy Bartels
Photonics West 2020, Feb 2020, San Francisco, United States
Conference papers hal-02473743v1

Compressive Raman imaging fiber

Herve Rigneault , Camille Scotté , Siddharth Sivankutty , Randy Bartels
Photonics Wesr 2020, Feb 2020, San Francisco, United States
Conference papers hal-02473746v1

Lensless endocopy

Herve Rigneault , Siddharth Sivankutty , Viktor Tsvirkun , Esben Ravn Andresen , Geraud Bouwmans
ImagiNano French Israeli Conference on Imaging and NanoOptics, Nov 2018, Ramot, Israel
Conference papers hal-01923539v1

High-resolution multimodal flexible coherent Raman endoscope

Vasyl Mytskaniuk , Siddharth Sivankutty , Esben Ravn Andresen , Jérôme Wenger , Nicolas Y. Joly
SPIE Photonics West 2018, Jan 2018, San Francisco, United States
Conference papers hal-01875448v1

Towards nonlinear lensless endoscopes

Siddharth Sivankutty , Viktor Tsvirkun , Géraud Bouwmans , Esben Ravn Andresen , Herve Rigneault
NaBi French-Israeli annual meeting, Sep 2016, Paris, France
Conference papers hal-01367322v1

Single-Shot Polarimetry Imaging of Multicore Fibers

Miguel Alonso , Thomas G. Brown , Siddharth Sivankutty , Géraud Bouwmans , Esben Ravn Andresen
Frontiers in Optics, OSA Annual meeting, Optical Society of America, Oct 2016, Rochester, United States
Conference papers hal-01378848v1

Nonlinear endoscopes via hollow core fibers

Alberto Lombardini , Vasyl Mytskaniuk , Siddharth Sivankutty , Alexandre Kudlinski , Herve Rigneault
NaBi French-Israeli annual meeting, Sep 2016, Paris, France
Conference papers hal-01367325v1

Two-photon lensless endoscopy

Siddharth Sivankutty , Esben Andresen , Géraud Bouwmans , Serge Monneret , Herve Rigneault
Endoscopic Microscopy XI, Feb 2016, San Francisco, France. ⟨10.1117/12.2209263⟩
Conference papers hal-01875436v1

Wide field lensless imaging using multi-core fiber bundle

Viktor Tsvirkun , Siddharth Sivankutty , Géraud Bouwmans , Dan Oron , Ori Katz
NaBi French-Israeli annual meeting, Sep 2016, Paris, France
Conference papers hal-01367323v1

Towards two-photon lensless endoscopes: inter-core group delay compensation in a multi-core fiber

Esben Ravn Andresen , Siddharth Sivankutty , Géraud Bouwmans , Olivier Vainvinq , Laurent Gallais
Advanced Microscopy Techniques IV; and Neurophotonics II, 2015, Munich, Germany. pp.953605
Conference papers hal-01275853v1

Towards STED microscopy with nanometric optical sectioning (Orale)

Siddharth Sivankutty , Guillaume Dupuis , Christophe Lefumeux , Céline Mayet , Arnaud Dubois
Photonics West - Biomedical Optics, Single molecule spectroscopy and superresolution imaging VI, Feb 2013, San Francisco, United States. pp.859018, ⟨10.1117/12.2004883⟩
Conference papers hal-00835893v1

Time-resolved STED microscopy

Siddharth Sivankutty , Guillaume Dupuis , Sandrine Lecart , Christophe Lefumeux , Frédéric Druon
colloque Diagnostic et imagerie optiques en médecine (OPT-DIAG), May 2012, Paris, France
Conference papers hal-00689688v1

Tunable time-resolved STED microscopy

Siddharth Sivankutty , Guillaume Dupuis , Sandrine Lecart , C. Lefumeux , Frédéric Druon
Focus on Microscopy, Apr 2012, Singapore
Conference papers hal-00673852v1

Microscopie STED accordable et résolue en temps

Siddharth Sivankutty , Guillaume Dupuis , Sandrine Lecart , Christophe Lefumeux , Sandrine Leveque-Fort
colloque Journées Imagerie Optique Non-Conventionnelle (JIONC), Mar 2012, Paris, France
Conference papers hal-00691243v1

Tunable time-resolved stimulated emission depletion microscopy for dynamic imaging at the subcellular scale

Siddharth Sivankutty , Guillaume Dupuis , Sandrine Lecart , Arnaud Dubois , C. Lefumeux
focus on microscopy, Apr 2011, Constance, Germany
Conference papers hal-00673805v1

Tunable time-resolved stimulated emission depletion microscopy

Siddharth Sivankutty , Guillaume Dupuis , Sandrine Lecart , Christophe Lefumeux , Frédéric Druon
Ecole thématique interdisciplinaire sur la microscopie fonctionnelle en biologie, Sep 2010, Seignosse, France
Conference papers hal-00691238v1

Microscopie de Fluorescence STED accordable

Céline Mayet, , Siddharth Sivankutty , Guillaume Dupuis , Sandrine Lécart , Christophe Lefumeux
MIFOBIO « Microscopie Fonctionnelle en Biologie », 2012, Talmont Saint-Hilaire, France
Conference poster hal-01553671v1

Imager au-delà de la limite de diffraction grâce à la microscopie STED

Siddharth Sivankutty , Guillaume Dupuis , C. Marquer , Sandrine Lécart , Christophe Lefumeux
OptDiag : Diagnostic et Imagerie Optique en Médecine , May 2011, Paris, France
Conference poster hal-01553461v1
Image document

Coupling optimized bending-insensitive multi-core fibers for lensless endoscopy

Naveen Gajendra Kumar , Siddharth Sivankutty , Victor Tsvirkun , Andy Cassez , Damien Labat
Optics Express, 2023, 31 (10), pp.15334. ⟨10.1364/OE.485550⟩
Journal articles hal-04080581v1

Compressive Imaging Through Optical Fiber with Partial Speckle Scanning

Stéphanie Guérit , Siddharth Sivankutty , John Lee , Hervé Rigneault , Laurent Jacques
SIAM Journal on Imaging Sciences, 2022, 15 (2), pp.387-423. ⟨10.1137/21M1407586⟩
Journal articles hal-03639450v1
Image document

Tapered Multicore Fiber for Lensless Endoscopes

Fatima El Moussawi , Matthias Hofer , Damien Labat , Andy Cassez , Géraud Bouwmans
ACS photonics, 2022, 30 (14), pp.25020. ⟨10.1021/acsphotonics.2c00661⟩
Journal articles hal-03721739v1
Image document

Miniature 120-beam coherent combiner with 3D-printed optics for multicore fiber-based endoscopy

Siddharth Sivankutty , Andrea Bertoncini , Victor Tsvirkun , Naveen Gajendra Kumar , Gaelle Brévalle
Optics Letters, 2021, 46 (19), pp.4968-4971. ⟨10.1364/OL.435063⟩
Journal articles hal-03360646v1
Image document

Spatial frequency modulated imaging in coherent anti-Stokes Raman microscopy

Sandro Heuke , Siddharth Sivankutty , Camille Scotté , Patrick Stockton , Randy Bartels
Optica, 2020, 7 (5), pp.417. ⟨10.1364/OPTICA.386526⟩
Journal articles hal-02559999v1
Image document

Line-scan Compressive Raman imaging with spatio-spectral encoding

Camille Scotté , Siddharth Sivankutty , Randy A Bartels , Hervé Rigneault
Optics Letters, 2020, 45 (19), pp.5567. ⟨10.1364/OL.400151⟩
Journal articles hal-02955440v1
Image document

Flexible lensless endoscope with a conformationally invariant multi-core fiber

Victor Tsvirkun , Siddharth Sivankutty , Karen Baudelle , Rémi Habert , Géraud Bouwmans
Optica, 2019, 6 (9), pp.1185-1189. ⟨10.1364/OPTICA.6.001185⟩
Journal articles hal-02284150v1

Compressive Raman imaging with spatial frequency modulated illumination

Camille Scotte , Siddharth Sivankutty , Patrick Stockton , Randy Bartels , Herve Rigneault
Optics Letters, 2019, 44 (8), pp.1936. ⟨10.1364/OL.44.001936⟩
Journal articles hal-02090289v1
Image document

Supercritical Angle Fluorescence for Enhanced Axial Sectioning in STED Microscopy

Iván Coto Hernández , Siddharth Sivankutty , Iván Coto , Hernández 1+ , Nicolas Bourg
Methods, 2019, 174, pp.20-26. ⟨10.1016/j.ymeth.2019.03.027⟩
Journal articles hal-02400230v1
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Nonlinear imaging through a Fermat’s golden spiral multicore fiber

Siddharth Sivankutty , Viktor Tsvirkun , Olivier Vanvincq , Géraud Bouwmans , Esben Ravn Andresen
Optics Letters, 2018, ⟨10.1364/OL.43.003638⟩
Journal articles hal-01847484v1

A straightforward STED-background corrected fitting model for unbiased STED-FCS analyses

Ruixing Wang , Sophie Brustlein , Sebastien Mailfert , Roxane Fabre , Mathieu Fallet
Methods, 2018, 140, pp.212-222. ⟨10.1016/j.ymeth.2018.02.010⟩
Journal articles hal-02118001v1
Image document

High-resolution multimodal flexible coherent Raman endoscope

Alberto Lombardini , Vasyl Mytskaniuk , Siddharth Sivankutty , Esben Andresen , Xueqin Chen
Light: Science and Applications, 2018, 7, pp.10. ⟨10.1038/s41377-018-0003-3⟩
Journal articles hal-01901643v1
Image document

Single-shot noninterferometric measurement of the phase transmission matrix in multicore fibers

Siddharth Sivankutty , Viktor Tsvirkun , Géraud Bouwmans , Esben Ravn Andresen , Dan Oron
Optics Letters, 2018, 43 (18), ⟨10.1364/OL.43.004493⟩
Journal articles hal-01876828v1

Phase retrieval in multi-core fiber bundles

Dani Kogan , Siddharth Sivankutty , Viktor Tsvirkun , Géraud Bouwmans , Esben Ravn Andresen
Optics Letters, 2017, 42, pp.647-650. ⟨10.1364/OL.42.000647⟩
Journal articles hal-01453475v1
Image document

Bending-induced inter-core group delays in multicore fibers

Viktor Tsvirkun , Siddharth Sivankutty , Géraud Bouwmans , Olivier Vanvincq , Esben Ravn Andresen
Optics Express, 2017, 25 (25), pp.203901 - 31863. ⟨10.1364/OE.25.031863⟩
Journal articles hal-01661281v1
Image document

Extended field-of-view in a lensless endoscope using an aperiodic multicore fiber’

Siddharth Sivankutty , Viktor Tsvirkun , Géraud Bouwmans , Dani Kogan , Dan Oron
Optics Letters, 2016, 41 (15), pp.3531. ⟨10.1364/OL.41.003531⟩
Journal articles hal-01347994v1
Image document

Widefield lensless endoscopy with a multicore fiber

Viktor Tsvirkun , Siddharth Sivankutty , Géraud Bouwmans , Ori Katz , Esben Ravn Andresen
Optics Letters, 2016, 41, pp.4771-4774. ⟨10.1364/OL.41.004771⟩
Journal articles hal-01378455v1
Image document

Ultra-thin rigid endoscope: two-photon imaging through a graded-index multi-mode fiber

Siddharth Sivankutty , Esben Ravn Andresen , Rosa Cossart , Géraud Bouwmans , Serge Monneret
Optics Express, 2016, 24, pp.825-841. ⟨10.1364/OE.24.000825⟩
Journal articles hal-01281378v1

Ultrathin endoscopes based on multicore fibers and adaptive optics: a status review and perspectives

Esben Ravn Andresen , Siddharth Sivankutty , Viktor Tsvirkun , Géraud Bouwmans , Hervé Rigneault
Journal of Biomedical Optics, 2016, 21, pp.121506. ⟨10.1117/1.JBO.21.12.121506⟩
Journal articles hal-01378436v1

Measurement and compensation of residual group delay in a multi-core fiber for lensless endoscopy

Esben Ravn Andresen , Siddharth Sivankutty , Géraud Bouwmans , Laurent Gallais , Serge Monneret
Journal of the Optical Society of America B, 2015, 32 (6), pp.1221-1228. ⟨10.1364/JOSAB.32.001221⟩
Journal articles hal-01155004v1

Imager au-delà de la limite de diffraction grâce à la microscopie STED

Siddharth Sivankutty , Guillaume Dupuis , C. Marquer , Sandrine Lecart , C. Lefumeux
Stéphane Mottin, François Ramaz, Gérard Lelièvre. Biophotonique Générale, Publications Mission Ressource et Compétences Technologiques, pp.110, 2012
Book sections hal-00835883v1