Search Results - "Ng, D. K. T."
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Silicon rich nitride ring resonators for rare – earth doped telecommunications-band amplifiers pumped at the O-band
Published in Scientific reports (22-08-2017)“…Ring resonators on silicon rich nitride for potential use as rare-earth doped amplifiers pumped at 1310 nm with amplification at telecommunications-band are…”
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2
Pushing the limits of CMOS optical parametric amplifiers with USRN:Si7N3 above the two-photon absorption edge
Published in Nature communications (04-01-2017)“…CMOS platforms operating at the telecommunications wavelength either reside within the highly dissipative two-photon regime in silicon-based optical devices,…”
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3
Nonlinear optics in ultra-silicon-rich nitride devices: recent developments and future outlook
Published in Advances in physics: X (01-01-2021)“…Nonlinear integrated optics leveraging platforms with high nonlinear figure of merit offer energy efficient optical signal processing capabilities. Over the…”
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4
Kerr Nonlinear Optical Signal Processing in Ultra-silicon-rich Nitride- based Devices
Published in 2019 PhotonIcs & Electromagnetics Research Symposium - Spring (PIERS-Spring) (01-06-2019)“…Nonlinear photonics devices are designed and fabricated on bandgap engineered ultra-silicon-rich nitride (USRN). The USRN films are compositionally engineered…”
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Conference Proceeding -
5
A functional CMOS compatible MEMS pyroelectric detector using 12%-doped scandium aluminum nitride
Published in Applied physics letters (02-11-2020)“…In this paper, we fabricate and demonstrate a functional complementary metal-oxide-semiconductor (CMOS) compatible pyroelectric uncooled thermal detector using…”
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6
PLD synthesis of GaN nanowires and nanodots on patterned catalyst surface for field emission study
Published in Applied physics. A, Materials science & processing (01-11-2008)“…Patterned gallium nitride nanowires and nanodots have been grown on n-Si (100) substrates by pulsed laser deposition. The nanostructures are patterned using a…”
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7
Wideband nonlinear spectral broadening in ultra-short ultra - silicon rich nitride waveguides
Published in Scientific reports (08-06-2016)“…CMOS-compatible nonlinear optics platforms with high Kerr nonlinearity facilitate the generation of broadband spectra based on self-phase modulation. Our ultra…”
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8
Enhanced optical nonlinearities in CMOS-compatible ultra-silicon-rich nitride photonic crystal waveguides
Published in Applied physics letters (18-09-2017)“…We present the design, fabrication, and characterization of photonic crystal waveguides (PhCWs) on an ultra-silicon-rich nitride (USRN) platform, with the goal…”
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9
A Theoretical and Experimental Study of Silicon Y-Branch Micro-Loop Reflectors
Published in IEEE photonics technology letters (15-12-2016)“…Y-branch micro-loop reflectors based on silicon nano-waveguides are designed, fabricated, and tested for maximizing the reflectivity in this letter. Our…”
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10
Selective growth of gallium nitride nanowires by femtosecond laser patterning
Published in Journal of alloys and compounds (31-01-2008)“…We report on gallium nitride (GaN) nanowires grown using pulsed laser ablation, adopting the vapor–liquid–solid (VLS) growth mechanism. The GaN nanowires are…”
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Journal Article Conference Proceeding -
11
Large-area parallel near-field optical nanopatterning of functional materials using microsphere mask
Published in Journal of alloys and compounds (31-01-2008)“…Large-area parallel near-field optical nanopatterning on functional material surfaces was investigated with KrF excimer laser irradiation. A monolayer of…”
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12
Parametric wavelength conversion of 30Gbps NRZ data in ultra-silicon-rich nitride waveguides
Published in 2020 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) (01-08-2020)“…Parametric wavelength conversion of 30Gbps Non-Return-Zero data using degenerate four wave mixing was performed in ultra-silicon-rich nitride waveguides. A…”
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Conference Proceeding -
13
Thermo-optic tuning of spectral broadening in a nonlinear Ultra-Silicon-Rich Nitride grating
Published in 2020 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) (01-08-2020)“…Temperature tuning of spectral broadening induced by a nonlinear grating is experimentally demonstrated. The bandwidth is observed to decrease as temperature…”
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Conference Proceeding -
14
Broadband incoherent four-wave mixing and 27 dB idler conversion efficiency using ultra-silicon rich nitride devices
Published in Applied physics letters (30-04-2018)“…The generation of broadband light within the telecommunication band has been instrumental to the design and characterization of advanced optical devices and…”
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15
Design and Analysis of Optical Coupling Between Silicon Nanophotonic Waveguide and Standard Single-Mode Fiber Using an Integrated Asymmetric Super-GRIN Lens
Published in IEEE journal of selected topics in quantum electronics (01-05-2011)“…Comprehensive design and analysis of optical coupling between silicon nanophotonic waveguide and standard single-mode fiber is presented. The coupling…”
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16
Assessing and Treating Cardiovascular Risk: Traditional Moderation is the Way to Go
Published in Medical journal of Malaysia (01-08-2014)Get full text
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17
Pushing the limits of CMOS optical parametric amplifiers with USRN:Si 7 N 3 above the two-photon absorption edge
Published in Nature communications (04-01-2017)“…CMOS platforms operating at the telecommunications wavelength either reside within the highly dissipative two-photon regime in silicon-based optical devices,…”
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Journal Article -
18
Synthesis of GaN nanowires on gold-coated substrates by pulsed laser ablation
Published in Current applied physics (01-06-2006)“…GaN nanowires were grown on gold-coated sapphire substrates by pulsed laser ablation of a target of GaN powder in low-pressure nitrogen gas. The laser ablation…”
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19
Bragg Soliton Dynamics on an Ultra-Silicon-Rich Nitride Chip
Published in 2024 Photonics North (PN) (28-05-2024)“…Recent developments in Bragg soliton dynamics on a chip, including gap soliton-based tunable slow light, optical parametric Bragg amplification and pure…”
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Conference Proceeding -
20
Bragg soliton dynamics on an ultra-silicon-rich nitride chip
Published in 2023 Conference on Lasers and Electro-Optics (CLEO) (01-05-2023)“…We present recent results on Bragg solitons, gap solitons and associated phenomena on a chip. Experimental observations of Bragg soliton-effect temporal…”
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Conference Proceeding