Ashim Dhakal

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Impact of fundamental thermodynamic fluctuations on light propagating in photonic waveguides made of amorphous materials

Nicolas Le Thomas (UGent) , Ashim Dhakal (UGent) , Ali Raza, Frédéric Peyskens (UGent) and Roel Baets (UGent)

(2018) OPTICA. 5(4). p.328-336
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On-chip raman spectroscopy

Pieter Wuytens (UGent) , Ali Raza, Haolan Zhao (UGent) , Nina Turk, Frédéric Peyskens (UGent) , Ashim Dhakal (UGent) , Xiaomin Nie, Eva Ryckeboer (UGent) , Stéphane Clemmen (UGent) , Nicolas Le Thomas (UGent) , et al.

(2017) Fea Research Symposium.
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Spectroscopic sensing and applications in Silicon Photonics

Eva Ryckeboer (UGent) , Xiaomin Nie, Ashim Dhakal (UGent) , Daan Martens (UGent) , Peter Bienstman (UGent) , Günther Roelkens (UGent) and Roel Baets (UGent)

(2017) 2017 IEEE 14TH INTERNATIONAL CONFERENCE ON GROUP IV PHOTONICS (GFP). In IEEE International Conference on Group IV Photonics p.77-78
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Spectroscopic sensing with silicon nitride photonic integrated circuits

Stéphane Clemmen (UGent) , Ali Raza, Ashim Dhakal (UGent) , Frédéric Peyskens (UGent) , Ananth Subramanian (UGent) , P. Van Dorpe, Pieter Wuytens (UGent) , Haolan Zhao (UGent) , Eva Ryckeboer (UGent) , S. Severi, et al.

(2017) INTEGRATED OPTICS: DEVICES, MATERIALS, AND TECHNOLOGIES XXI. In Proceedings of SPIE 10106. p.1-7
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14th International Conference on Group IV Photonics

Eva Ryckeboer (UGent) , Xiaomin Nie, Ashim Dhakal (UGent) , Daan Martens (UGent) , Peter Bienstman (UGent) , Günther Roelkens (UGent) and Roel Baets (UGent)

(2017) 14th International Conference on Group IV Photonics. p.81-82
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Silicon nitride background in nanophotonic waveguide enhanced raman spectroscopy

Ashim Dhakal (UGent) , Pieter Wuytens (UGent) , Ali Raza, Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2017) MATERIALS. 10.
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Expanding the silicon photonics portfolio with silicon nitride photonic integrated circuits

Abdul Rahim (UGent) , Eva Ryckeboer (UGent) , Ananth Subramanian (UGent) , Stéphane Clemmen (UGent) , Bart Kuyken (UGent) , Ashim Dhakal (UGent) , Ali Raza, Artur Hermans (UGent) , Muhammad Muneeb (UGent) , Sören Dhoore (UGent) , et al.

(2017) JOURNAL OF LIGHTWAVE TECHNOLOGY. 35(4). p.639-649
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Microscope-less lab-on-a-chip Raman spectroscopy of cell membranes

Ashim Dhakal (UGent) , Pieter Wuytens (UGent) , Frédéric Peyskens (UGent) , Andre Skirtach (UGent) , Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2016) IEEE Photonics Conference. p.144-145
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Hybrid single mode nanophotonic-plasmonic waveguides for on-chip surface enhanced raman spectroscopy

Frédéric Peyskens (UGent) , Ashim Dhakal (UGent) , P Van Dorpe, Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2016) The 7th International Conference on Metamaterials, Photonic Cyrstals and Plasmonics (META'16). p.424-425
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Nanophotonic waveguide enhanced raman spectroscopy of biological submonolayers

Ashim Dhakal (UGent) , Pieter Wuytens (UGent) , Frédéric Peyskens (UGent) , Karolien Jans, Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2016) ACS PHOTONICS. 3(11). p.2141-2149
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- PhD Thesis
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Nanophotonic waveguide enhanced Raman spectroscopy

Ashim Dhakal (UGent)

(2016)
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Surface enhanced Raman spectroscopy on single mode nanophotonic-plasmonic waveguides

Frédéric Peyskens (UGent) , Ashim Dhakal (UGent) , Pol Van Dorpe, Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2016) 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO). In Conference on Lasers and Electro-Optics
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Lab-on-a-chip Raman sensors outperforming Raman microscopes

Ashim Dhakal (UGent) , Ali Raza, Pieter Wuytens (UGent) , Frédéric Peyskens (UGent) , Andre Skirtach (UGent) , Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2016) 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO). In Conference on Lasers and Electro-Optics
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Single mode waveguide platform for spontaneous and surface-enhanced on-chip Raman spectroscopy

Ashim Dhakal (UGent) , Frédéric Peyskens (UGent) , Stéphane Clemmen (UGent) , Ali Raza, Pieter Wuytens (UGent) , Haolan Zhao (UGent) , Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2016) INTERFACE FOCUS. 6(4).
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Surface enhanced raman spectroscopy using a single mode nanophotonic-plasmonic platform

Frédéric Peyskens (UGent) , Ashim Dhakal (UGent) , P Van Dorpe, Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2016) ACS PHOTONICS. 3(1). p.102-108
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Silicon photonics for on-chip spectrophotometry

Danaë Delbeke (UGent) , Ananth Subramanian (UGent) , Paolo Cardile (UGent) , Wouter Woestenborghs (UGent) , Alfonso Ruocco (UGent) , Jan-Willem Hoste (UGent) , Daan Martens (UGent) , Ashim Dhakal (UGent) , Peter Bienstman (UGent) , Günther Roelkens (UGent) , et al.

(2015) IEEE International Conference on Group IV Photonics. p.191-192
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Enhanced spontaneous raman signal collected evanescently by silicon nitride slot waveguides

Ashim Dhakal (UGent) , Frédéric Peyskens (UGent) , Ananth Subramanian (UGent) , Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2015) Conference on Lasers and Electro-Optics. In Conference on Lasers and Electro-Optics
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Coherent anti-Stokes Raman spectroscopy on chip

Stéphane Clemmen (UGent) , Haolan Zhao (UGent) , Frédéric Peyskens (UGent) , Ashim Dhakal (UGent) , Pieter Wuytens (UGent) , Ananth Subramanian (UGent) , Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2015) 2015 PHOTONICS CONFERENCE (IPC). In IEEE Photonics Conference p.623-624
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Efficiency of evanescent excitation and collection of spontaneous Raman scattering near high index contrast channel waveguides

Ashim Dhakal (UGent) , Ali Raza, Frédéric Peyskens (UGent) , Ananth Subramanian (UGent) , Stéphane Clemmen (UGent) , Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2015) OPTICS EXPRESS. 23(21). p.27391-27404
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Silicon and silicon nitride photonic circuits for spectroscopic sensing on-a-chip

Ananth Subramanian (UGent) , Eva Ryckeboer (UGent) , Ashim Dhakal (UGent) , Frédéric Peyskens (UGent) , Aditya Malik (UGent) , Bart Kuyken (UGent) , Haolan Zhao (UGent) , Shibnath Pathak (UGent) , Alfonso Ruocco (UGent) , Andreas De Groote (UGent) , et al.

(2015) PHOTONICS RESEARCH. 3(5). p.B47-B59
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Nanophotonic lab-on-a-chip Raman sensors : a sensitivity comparison with confocal Raman microscope

Ashim Dhakal (UGent) , Pieter Wuytens (UGent) , Frédéric Peyskens (UGent) , Ananth Subramanian (UGent) , Andre Skirtach (UGent) , Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2015) 2015 International conference on biophotonics (BIOPHOTONICS). p.35-38
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Bright and dark plasmon resonances of nanoplasmonic antennas evanescently coupled with a silicon nitride waveguide

Frédéric Peyskens (UGent) , Ananth Subramanian (UGent) , P Neutens, Ashim Dhakal (UGent) , P Van Dorpe, Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2015) OPTICS EXPRESS. 23(3). p.3088-3101
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Visible-to-near-infrared octave spanning supercontinuum generation in a silicon nitride waveguide

Haolan Zhao (UGent) , Bart Kuyken (UGent) , Stéphane Clemmen (UGent) , François Leo (UGent) , Ananth Subramanian (UGent) , Ashim Dhakal (UGent) , P Helin, S Severi, Edouard Brainis (UGent) , Günther Roelkens (UGent) , et al.

(2015) OPTICS LETTERS. 40(10). p.2177-2180
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Development of a CMOS compatible biophotonics platform based on SiN nanophotonic waveguides

Pieter Neutens, Tom Claes (UGent) , Roelof Jansen, Ananth Subramanian (UGent) , Mahmud Ul Hasan, Veronique Rochus, Finub James Shirley, Bert Du Bois, Philippe Helin, Simone Severi, et al.

(2014) 2014 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO). In Conference on Lasers and Electro-Optics
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Spectroscopic sensing enabled by silicon photonics

Roel Baets (UGent) , Ananth Subramanian (UGent) , Ashim Dhakal (UGent) , Frédéric Peyskens (UGent) , Pieter Wuytens (UGent) , Eva Ryckeboer (UGent) , Günther Roelkens (UGent) and Nicolas Le Thomas (UGent)

(2014) Asia Communications and Photonics Conference, Abstracts.
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Silicon-nitride waveguides for on-chip Raman spectroscopy

Ashim Dhakal (UGent) , Pieter Wuytens (UGent) , Frédéric Peyskens (UGent) , Ananth Subramanian (UGent) , Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2014) Proceedings of SPIE. In Proceedings of SPIE 9141.
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Resonant enhancement mechanisms in lab-on-chip raman spectroscopy on a silicon nitride waveguide platform

Roel Baets (UGent) , Ashim Dhakal (UGent) , Frédéric Peyskens (UGent) , Pieter Wuytens (UGent) , Andre Skirtach (UGent) , Nicolas Le Thomas (UGent) and Ananth Subramanian (UGent)

(2014) IEEE Photonics Conference. p.500-501
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Enhancement of raman scattering efficiency by on-chip nanoplasmonic antennas

Frédéric Peyskens (UGent) , Ananth Subramanian (UGent) , P Neutens, Ashim Dhakal (UGent) , Pieter Wuytens (UGent) , P Van Dorpe, Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2014) Surface-Enhanced Spectroscopies, Proceedings.
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Raman spectroscopy using photonic waveguides

Ashim Dhakal (UGent) , Ananth Subramanian (UGent) , Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2014) XXIV International Conference on Raman Spectroscopy, Proceedings.
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Evanescent excitation and collection of spontaneous Raman spectra using silicon nitride nanophotonic waveguides

Ashim Dhakal (UGent) , Ananth Subramanian (UGent) , Pieter Wuytens (UGent) , Frédéric Peyskens (UGent) , Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2014) OPTICS LETTERS. 39(13). p.4025-4028
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Characterization of PECVD Silicon Nitride Photonic Components at 532 and 900 nm Wavelength

P Neutens, Ananth Subramanian (UGent) , M Ul Hasan, C Chen, R Jansen, Tom Claes (UGent) , X Rottenberg, B Du Bois, K Leyssens, P Helin, et al.

(2014) PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE). In Proceedings of SPIE 9133.
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Biological sensing with integrated silicon and silicon nitride photonics

Nicolas Le Thomas (UGent) , Ashim Dhakal (UGent) , Frédéric Peyskens (UGent) , Ananth Subramanian (UGent) , Tom Claes (UGent) , K De Vos, Eva Ryckeboer (UGent) , Ronny Bockstaele, Peter Bienstman (UGent) and Roel Baets (UGent)

(2013) 2nd BioPhotonics Conference, Abstracts. p.28-29
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Enhancement of light absorption, scattering and emission in high index contrast waveguides

Ashim Dhakal (UGent) , Frédéric Peyskens (UGent) , Ananth Subramanian (UGent) , Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2013) OSA Optics & Photonics Congress : Integrated Photonics Research, Silicon, and Nano-Photonics, Proceedings.
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Enhancement of raman scattering efficiency by a metallic nano-antenna on top of a high index contrast waveguide

Frédéric Peyskens (UGent) , Ananth Subramanian (UGent) , Ashim Dhakal (UGent) , Nicolas Le Thomas (UGent) and Roel Baets (UGent)

(2013) Conference on Lasers and Electro-Optics.
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Spectroscopy-on-chip applications of silicon photonics

Roel Baets (UGent) , Ananth Subramanian (UGent) , Ashim Dhakal (UGent) , shankar kumar Selvaraja (UGent) , Katarzyna Komorowska (UGent) , Frédéric Peyskens (UGent) , Eva Ryckeboer (UGent) , Nebiyu Adello Yebo (UGent) , Günther Roelkens (UGent) and Nicolas Le Thomas (UGent)

(2013) Proceedings of SPIE. 8627.
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Low-loss singlemode PECVD silicon nitride photonic wire waveguides for 532-900 nm wavelength window fabricated within a CMOS pilot line

Ananth Subramanian (UGent) , P Neutens, Ashim Dhakal (UGent) , R Jansen, T Claes, X Rottenberg, Frédéric Peyskens (UGent) , shankar kumar Selvaraja (UGent) , P Helin, B Du Bois, et al.

(2013) IEEE PHOTONICS JOURNAL. 5(6).
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Near-infrared grating couplers for silicon nitride photonic wires

Ananth Subramanian (UGent) , shankar kumar Selvaraja (UGent) , Peter Verheyen, Ashim Dhakal (UGent) , Katarzyna Komorowska (UGent) and Roel Baets (UGent)

(2012) IEEE PHOTONICS TECHNOLOGY LETTERS. 24(19). p.1700-1703
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The role of index contrast in the efficiency of absoprtion and emission of a luminescent particle near a slab waveguide

Ashim Dhakal (UGent) , Ananth Subramanian (UGent) , Roel Baets (UGent) and Nicolas Le Thomas

(2012) 16th European Conference on Integrated Optics, Abstracts.
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Grating couplers for Si3N4 waveguides at 900 nm

Ananth Subramanian (UGent) , shankar kumar Selvaraja (UGent) , P Verheyen, Ashim Dhakal (UGent) , Katarzyna Komorowska (UGent) and Roel Baets (UGent)

(2012) 16th European Conference on Integrated Optics, Abstracts.

Impact of fundamental thermodynamic fluctuations on light propagating in photonic waveguides made of amorphous materials

On-chip raman spectroscopy

Spectroscopic sensing and applications in Silicon Photonics

Spectroscopic sensing with silicon nitride photonic integrated circuits

14th International Conference on Group IV Photonics

Silicon nitride background in nanophotonic waveguide enhanced raman spectroscopy

Expanding the silicon photonics portfolio with silicon nitride photonic integrated circuits

Microscope-less lab-on-a-chip Raman spectroscopy of cell membranes

Hybrid single mode nanophotonic-plasmonic waveguides for on-chip surface enhanced raman spectroscopy

Nanophotonic waveguide enhanced raman spectroscopy of biological submonolayers

Nanophotonic waveguide enhanced Raman spectroscopy

Surface enhanced Raman spectroscopy on single mode nanophotonic-plasmonic waveguides

Lab-on-a-chip Raman sensors outperforming Raman microscopes

Single mode waveguide platform for spontaneous and surface-enhanced on-chip Raman spectroscopy

Surface enhanced raman spectroscopy using a single mode nanophotonic-plasmonic platform

Silicon photonics for on-chip spectrophotometry

Enhanced spontaneous raman signal collected evanescently by silicon nitride slot waveguides

Coherent anti-Stokes Raman spectroscopy on chip

Efficiency of evanescent excitation and collection of spontaneous Raman scattering near high index contrast channel waveguides

Silicon and silicon nitride photonic circuits for spectroscopic sensing on-a-chip

Nanophotonic lab-on-a-chip Raman sensors : a sensitivity comparison with confocal Raman microscope

Bright and dark plasmon resonances of nanoplasmonic antennas evanescently coupled with a silicon nitride waveguide

Visible-to-near-infrared octave spanning supercontinuum generation in a silicon nitride waveguide

Development of a CMOS compatible biophotonics platform based on SiN nanophotonic waveguides

Spectroscopic sensing enabled by silicon photonics

Silicon-nitride waveguides for on-chip Raman spectroscopy

Resonant enhancement mechanisms in lab-on-chip raman spectroscopy on a silicon nitride waveguide platform

Enhancement of raman scattering efficiency by on-chip nanoplasmonic antennas

Raman spectroscopy using photonic waveguides

Evanescent excitation and collection of spontaneous Raman spectra using silicon nitride nanophotonic waveguides

Characterization of PECVD Silicon Nitride Photonic Components at 532 and 900 nm Wavelength

Biological sensing with integrated silicon and silicon nitride photonics

Enhancement of light absorption, scattering and emission in high index contrast waveguides

Enhancement of raman scattering efficiency by a metallic nano-antenna on top of a high index contrast waveguide

Spectroscopy-on-chip applications of silicon photonics

Low-loss singlemode PECVD silicon nitride photonic wire waveguides for 532-900 nm wavelength window fabricated within a CMOS pilot line

Near-infrared grating couplers for silicon nitride photonic wires

The role of index contrast in the efficiency of absoprtion and emission of a luminescent particle near a slab waveguide

Grating couplers for Si3N4 waveguides at 900 nm