Search Results - "Chong, Harold"
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Nanoelectromechanical relay without pull-in instability for high-temperature non-volatile memory
Published in Nature communications (04-03-2020)“…Emerging applications such as the Internet-of-Things and more-electric aircraft require electronics with integrated data storage that can operate in extreme…”
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2
Optical Gating of Photoluminescence from Color Centers in Hexagonal Boron Nitride
Published in Nano letters (10-06-2020)“…We report on multicolor excitation experiments with color centers in hexagonal boron nitride at cryogenic temperatures. We demonstrate controllable optical…”
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3
Metasurfaces integrated with a single-mode waveguide array for off-chip wavefront shaping
Published in Optics express (08-05-2023)“…Integration of metasurfaces and SOI (silicon-on-insulator) chips can leverage the advantages of both metamaterials and silicon photonics, enabling novel light…”
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4
Nano-crystalline graphite for reliability improvement in MEM relay contacts
Published in Carbon (New York) (01-07-2018)“…Micro- and Nano-electromechanical (MEM/NEM) relays can operate with zero-leakage at far higher temperatures and levels of radiation than transistors, but have…”
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5
Atomic Layer Deposition of Al-Doped ZnO Contacts for ZnO Thin-Film Transistors
Published in IEEE electron device letters (01-05-2024)“…We report on the source-drain contact improvement in zinc oxide thin-film transistors (ZnO-TFTs) using Al-doped ZnO (AZO) intermediary layers by a thermal…”
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6
Theory, Design, and Characterization of Nanoelectromechanical Relays for Stiction-Based Non-Volatile Memory
Published in Journal of microelectromechanical systems (01-04-2022)“…Diverse areas such as the Internet of Things (IoT), aerospace and industrial electronics increasingly require non-volatile memory to work under…”
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7
Laser-Driven Phase Segregation and Tailoring of Compositionally Graded Microstructures in Si–Ge Nanoscale Thin Films
Published in ACS applied materials & interfaces (26-02-2020)“…The ability to manipulate the composition of semiconductor alloys on demand and at nanometer-scale resolutions is a powerful tool that could be exploited to…”
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8
Load-bearing in cortical bone microstructure: Selective stiffening and heterogeneous strain distribution at the lamellar level
Published in Journal of the mechanical behavior of biomedical materials (01-01-2013)“…An improved understanding of bone mechanics is vital in the development of evaluation strategies for patients at risk of bone fracture. The current evaluation…”
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9
Nonlinear properties of laser-processed polycrystalline silicon waveguides for integrated photonics
Published in Optics express (28-09-2020)“…We report nonlinear optical characterization of cm-long polycrystalline silicon (poly-Si) waveguides at telecom wavelengths. Laser post-processing of…”
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10
Low-temperature polycrystalline silicon waveguides for low loss transmission in the near-to-mid-infrared region
Published in Optics express (16-01-2023)“…Low-temperature deposited polycrystalline silicon waveguides are emerging as a flexible platform that allows for dense optoelectronic integration. Here, the…”
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11
Germanium Mid-Infrared Photonic Devices
Published in Journal of lightwave technology (15-02-2017)“…Germanium based photonic devices can play a significant role in several applications, particularly in the so-called fingerprint wavelength region. Here, we…”
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12
HWCVD a-Si:H interlayer slope waveguide coupler for multilayer silicon photonics platform
Published in Optics express (27-05-2019)“…We present interlayer slope waveguides, designed to guide light from one level to another in a multi-layer silicon photonics platform. The waveguide is…”
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13
Local hole doping concentration modulation on graphene probed by tip-enhanced Raman spectroscopy
Published in Carbon (New York) (01-01-2017)“…We investigate local doping concentration modulation of graphene flakes on a SiO2/Si substrate that has been exposed to the same chemicals in device…”
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14
Laser crystallized low-loss polycrystalline silicon waveguides
Published in Optics express (18-02-2019)“…We report the fabrication of low-loss, low temperature deposited polysilicon waveguides via laser crystallization. The process involves pre-patterning…”
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15
Ge on Si waveguide mid-infrared absorption spectroscopy of proteins and their aggregates
Published in Biomedical optics express (01-08-2020)“…Specific proteins and their aggregates form toxic amyloid plaques and neurofibrillary tangles in the brains of people suffering from neurodegenerative diseases…”
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16
Ion Implantation of Germanium Into Silicon for Critical Coupling Control of Racetrack Resonators
Published in Journal of lightwave technology (01-04-2020)“…Critical coupling control is an important concept used in integrated photonics to obtain functionalities such as single and coupled resonator optical filters…”
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17
Thermo-optic tuning of silicon nitride microring resonators with low loss non-volatile Sb2S3 phase change material
Published in Scientific reports (24-10-2022)“…A new family of phase change material based on antimony has recently been explored for applications in near-IR tunable photonics due to its wide bandgap,…”
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18
A Quasi-Concertina force-displacement MEMS probe for measuring biomechanical properties
Published in Sensors and actuators. A. Physical. (01-06-2018)“…•Development, fabrication, and characterisation of a multi beam novel Quasi-Concertina (QC) MEMS sensor.•F-D sensor with a resolution as small as 5.6 nN and…”
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19
Waveguide Absorption Spectroscopy of Bovine Serum Albumin in the Mid-Infrared Fingerprint Region
Published in ACS sensors (26-07-2019)“…Protein sensing in biological fluids provides important information to diagnose many clinically relevant diseases. Mid-infrared (MIR) absorption spectroscopy…”
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20
Single‐Contact, Four‐Terminal Microelectromechanical Relay for Efficient Digital Logic
Published in Advanced electronic materials (01-01-2023)“…Nano and microelectromechanical relays can be used in lieu of transistors to build digital integrated circuits that can operate with zero leakage current at…”
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