Research Explorer

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Researcher

Ashim Dhakal

Awards & Distinctions

39 Results

2018

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

Nicolas Le ThomasAshim DhakalAli RazaFrédéric PeyskensRoel Baets

A1 Journal Article in OPTICA

2017

14th International Conference on Group IV Photonics

Eva RyckeboerXiaomin NieAshim DhakalDaan MartensPeter BienstmanGünther RoelkensRoel Baets

Expanding the silicon photonics portfolio with silicon nitride photonic integrated circuits

Abdul RahimEva RyckeboerAnanth SubramanianStéphane ClemmenBart KuykenAshim DhakalAli RazaArtur HermansMuhammad MuneebSören Dhoore et al.

A1 Journal Article in JOURNAL OF LIGHTWAVE TECHNOLOGY

On-chip raman spectroscopy

Pieter WuytensAli RazaHaolan ZhaoNina TurkFrédéric PeyskensAshim DhakalXiaomin NieEva RyckeboerStéphane ClemmenNicolas Le Thomas et al.

Silicon nitride background in nanophotonic waveguide enhanced raman spectroscopy

Ashim DhakalPieter WuytensAli RazaNicolas Le ThomasRoel Baets

A1 Journal Article in MATERIALS

Spectroscopic sensing and applications in Silicon Photonics

Eva RyckeboerXiaomin NieAshim DhakalDaan MartensPeter BienstmanGünther RoelkensRoel Baets

Spectroscopic sensing with silicon nitride photonic integrated circuits

Stéphane ClemmenAli RazaAshim DhakalFrédéric PeyskensAnanth SubramanianP. Van DorpePieter WuytensHaolan ZhaoEva RyckeboerS. Severi et al.

2016

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

Frédéric PeyskensAshim DhakalP Van DorpeNicolas Le ThomasRoel Baets

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

Ashim DhakalAli RazaPieter WuytensFrédéric PeyskensAndre SkirtachNicolas Le ThomasRoel Baets

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

Ashim DhakalPieter WuytensFrédéric PeyskensAndre SkirtachNicolas Le ThomasRoel Baets

Nanophotonic waveguide enhanced Raman spectroscopy

Ashim DhakalRoel BaetsNicolas Le Thomas

Nanophotonic waveguide enhanced raman spectroscopy of biological submonolayers

Ashim DhakalPieter WuytensFrédéric PeyskensKarolien JansNicolas Le ThomasRoel Baets

A1 Journal Article in ACS PHOTONICS

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

Ashim DhakalFrédéric PeyskensStéphane ClemmenAli RazaPieter WuytensHaolan ZhaoNicolas Le ThomasRoel Baets

A1 Journal Article in INTERFACE FOCUS

Surface enhanced Raman spectroscopy on single mode nanophotonic-plasmonic waveguides

Frédéric PeyskensAshim DhakalPol Van DorpeNicolas Le ThomasRoel Baets

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

Frédéric PeyskensAshim DhakalP Van DorpeNicolas Le ThomasRoel Baets

A1 Journal Article in ACS PHOTONICS

2015

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

Frédéric PeyskensAnanth SubramanianP NeutensAshim DhakalP Van DorpeNicolas Le ThomasRoel Baets

A1 Journal Article in OPTICS EXPRESS

Coherent anti-Stokes Raman spectroscopy on chip

Stéphane ClemmenHaolan ZhaoFrédéric PeyskensAshim DhakalPieter WuytensAnanth SubramanianNicolas Le ThomasRoel Baets

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

Ashim DhakalAli RazaFrédéric PeyskensAnanth SubramanianStéphane ClemmenNicolas Le ThomasRoel Baets

A1 Journal Article in OPTICS EXPRESS

Enhanced spontaneous raman signal collected evanescently by silicon nitride slot waveguides

Ashim DhakalFrédéric PeyskensAnanth SubramanianNicolas Le ThomasRoel Baets

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

Ashim DhakalPieter WuytensFrédéric PeyskensAnanth SubramanianAndre SkirtachNicolas Le ThomasRoel Baets

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

Ananth SubramanianEva RyckeboerAshim DhakalFrédéric PeyskensAditya MalikBart KuykenHaolan ZhaoShibnath PathakAlfonso RuoccoAndreas De Groote et al.

A1 Journal Article in PHOTONICS RESEARCH

Silicon photonics for on-chip spectrophotometry

Danaë DelbekeAnanth SubramanianPaolo CardileWouter WoestenborghsAlfonso RuoccoJan-Willem HosteDaan MartensAshim DhakalPeter BienstmanGünther Roelkens et al.

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

Haolan ZhaoBart KuykenStéphane ClemmenFrançois LeoAnanth SubramanianAshim DhakalP HelinS SeveriEdouard BrainisGünther Roelkens et al.

A1 Journal Article in OPTICS LETTERS

2014

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

P NeutensAnanth SubramanianM Ul HasanC ChenR JansenTom ClaesX RottenbergB Du BoisK LeyssensP Helin et al.

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

Pieter NeutensTom ClaesRoelof JansenAnanth SubramanianMahmud Ul HasanVeronique RochusFinub James ShirleyBert Du BoisPhilippe HelinSimone Severi et al.

Enhancement of raman scattering efficiency by on-chip nanoplasmonic antennas

Frédéric PeyskensAnanth SubramanianP NeutensAshim DhakalPieter WuytensP Van DorpeNicolas Le ThomasRoel Baets

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

Ashim DhakalAnanth SubramanianPieter WuytensFrédéric PeyskensNicolas Le ThomasRoel Baets

A1 Journal Article in OPTICS LETTERS

Raman spectroscopy using photonic waveguides

Ashim DhakalAnanth SubramanianNicolas Le ThomasRoel Baets

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

Roel BaetsAshim DhakalFrédéric PeyskensPieter WuytensAndre SkirtachNicolas Le ThomasAnanth Subramanian

Silicon-nitride waveguides for on-chip Raman spectroscopy

Ashim DhakalPieter WuytensFrédéric PeyskensAnanth SubramanianNicolas Le ThomasRoel Baets

Spectroscopic sensing enabled by silicon photonics

Roel BaetsAnanth SubramanianAshim DhakalFrédéric PeyskensPieter WuytensEva RyckeboerGünther RoelkensNicolas Le Thomas

2013

Biological sensing with integrated silicon and silicon nitride photonics

Nicolas Le ThomasAshim DhakalFrédéric PeyskensAnanth SubramanianTom ClaesK De VosEva RyckeboerRonny BockstaelePeter BienstmanRoel Baets

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

Ashim DhakalFrédéric PeyskensAnanth SubramanianNicolas Le ThomasRoel Baets

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

Frédéric PeyskensAnanth SubramanianAshim DhakalNicolas Le ThomasRoel Baets

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

Ananth SubramanianP NeutensAshim DhakalR JansenT ClaesX RottenbergFrédéric Peyskensshankar kumar SelvarajaP HelinB Du Bois et al.

A1 Journal Article in IEEE PHOTONICS JOURNAL

Spectroscopy-on-chip applications of silicon photonics

Roel BaetsAnanth SubramanianAshim Dhakalshankar kumar SelvarajaKatarzyna KomorowskaFrédéric PeyskensEva RyckeboerNebiyu Adello YeboGünther RoelkensNicolas Le Thomas

2012

Grating couplers for Si3N4 waveguides at 900 nm

Ananth Subramanianshankar kumar SelvarajaP VerheyenAshim DhakalKatarzyna KomorowskaRoel Baets

Near-infrared grating couplers for silicon nitride photonic wires

Ananth Subramanianshankar kumar SelvarajaPeter VerheyenAshim DhakalKatarzyna KomorowskaRoel Baets

A1 Journal Article in IEEE PHOTONICS TECHNOLOGY LETTERS

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

Ashim DhakalAnanth SubramanianRoel BaetsNicolas Le Thomas