Search Results - "Tyndall, Nathan F."
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1
Broadband near-infrared emission in silicon waveguides
Published in Nature communications (31-05-2024)“…Silicon photonic integrated circuit foundries enable wafer-level fabrication of entire electro-optic systems-on-a-chip for applications ranging from…”
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Journal Article -
2
MEMS-tunable polarization management in photonic integrated circuits
Published in Optics express (11-09-2023)“…Optical fibers are generally polarization-insensitive while photonic integrated circuits (PICs) often exhibit a large polarization dependence due to the…”
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Journal Article -
3
Broadband silicon nitride integrated polarization rotators at 780 nm
Published in Optics express (06-05-2024)“…Polarization management, and in particular polarization rotation, is becoming increasingly important for photonic integrated circuits (PICs). While fiber-optic…”
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Journal Article -
4
Germanium-on-silicon waveguides for long-wave integrated photonics: ring resonance and thermo-optics
Published in Optics express (10-05-2021)“…Germanium-on-silicon (GOS) represents the leading platform for foundry-based long-wave infrared photonic integrated circuits (LWIR PICs), due to its CMOS…”
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Journal Article -
5
Foundry-based waveguide-enhanced Raman spectroscopy in the visible
Published in Optics express (12-02-2024)“…Waveguide-enhanced Raman spectroscopy (WERS) is an analytical technique frequently employed for chemical and biological sensing. Operation at visible…”
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Journal Article -
6
Passive photonic integration of lattice filters for waveguide-enhanced Raman spectroscopy
Published in Optics express (09-11-2020)“…To perform waveguide-enhanced Raman spectroscopy (WERS) or fluorescence spectroscopy in a compact device, the optical fibers to couple the passive photonic…”
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Journal Article -
7
Optical and geometric parameter extraction for photonic integrated circuits
Published in Optics express (25-04-2022)“…We describe an in-situ technique to characterize the material refractive indices and waveguide geometry for photonic integrated circuits over hundreds of…”
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Journal Article -
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Towards MEMS-Tunable Phase Matching and Mode Conversion in Nanophotonic Waveguides
Published in Journal of microelectromechanical systems (01-10-2020)“…The advent of interconnected devices, sensors, and systems requires increasingly large data transmission rates. Optical communications has met these bandwidth…”
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Optical and geometric parameter extraction across 300-mm photonic integrated circuit wafers
Published in APL photonics (01-01-2024)“…The precise quantification of a dielectric waveguide core thickness, core width, core refractive index, and cladding refractive index across a wafer is…”
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Journal Article -
10
Figure-of-Merit Characterization of Hydrogen-Bond Acidic Sorbents for Waveguide-Enhanced Raman Spectroscopy
Published in ACS sensors (27-03-2020)“…The optical properties of several hydrogen-bond acidic sorbent materials are evaluated in situ to assess their suitability for waveguide-enhanced Raman…”
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Journal Article -
11
Tunable Integrated Photonic True Time Delay
Published in 2023 IEEE Silicon Photonics Conference (SiPhotonics) (01-04-2023)“…We present optical and radio-frequency (RF) characterization results of a silicon photonic true-time-delay. Optical loss contributions from rib waveguide…”
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Conference Proceeding -
12
Enhancing Thermo-Optic Tuning in Low-Loss Silicon Nitride Photonic Integrated Circuits
Published in 2023 Conference on Lasers and Electro-Optics (CLEO) (01-05-2023)“…We modify a recently developed low-loss silicon nitride foundry platform using high-thermooptic-coefficient cladding materials. The large cladding modal…”
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Conference Proceeding -
13
A Visible-Light Foundry Platform from AIM Photonics
Published in 2023 Optical Fiber Communications Conference and Exhibition (OFC) (01-03-2023)“…We report on a new the nitride-only photonic integrated circuit platform at AIM Photonics optimized for visible and near-infrared wavelengths (500 nm to 1000…”
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Conference Proceeding -
14
Broadband Infrared Emission from Single-Mode Silicon Waveguides
Published in 2023 Conference on Lasers and Electro-Optics (CLEO) (01-05-2023)“…We describe the first observation of electrically-pumped infrared emission in single-mode silicon waveguides. Recombination in a p-i-n diode generates…”
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Conference Proceeding -
15
Wafer-Scale Photonic Parameter Extraction
Published in 2024 Conference on Lasers and Electro-Optics (CLEO) (05-05-2024)“…Wafer-scale variation of waveguide dimensions and refractive index determine the fabrication yield and design tolerances of photonic integrated circuits. We…”
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Conference Proceeding -
16
Fiber-Coupled Waveguide-Enhanced Raman Spectroscopy of Trace Vapors
Published in 2024 Conference on Lasers and Electro-Optics (CLEO) (05-05-2024)“…We report the first Raman detection of trace vapors with a fiber-attached photonic integrated circuit. We detected DMSO and MeS vapor with waveguide-enhanced…”
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Conference Proceeding -
17
Foundry-Processed Optomechanical Mach-Zehnder Interferometers
Published in 2021 Conference on Lasers and Electro-Optics (CLEO) (01-05-2021)“…We demonstrate foundry-processed optomechanical Mach-Zehnder interferometers using standard process development kit components and a post-process release…”
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Conference Proceeding -
18
Long-Wave-Infrared Integrated Photonics with Germanium-on-Silicon Waveguides
Published in 2021 Conference on Lasers and Electro-Optics (CLEO) (01-05-2021)“…We describe propagation loss, ring resonance, and thermo-optics in germanium-on-silicon (GOS) waveguides throughout the long-wave-infrared. These measurements…”
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Conference Proceeding -
19
Highly-confined, low-loss visible photonics using foundry-fabricated Silicon Nitride circuits
Published in 2022 Conference on Lasers and Electro-Optics (CLEO) (01-05-2022)“…In this paper, we present CMOS-foundry-fabricated silicon nitride photonic structures at barium emission wavelengths - 493nm and 650nm. High mode-confinement,…”
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Conference Proceeding -
20
Low-Loss Nanoslot Waveguides for Sensing Fabricated in a CMOS Foundry
Published in 2021 Conference on Lasers and Electro-Optics (CLEO) (01-05-2021)“…We demonstrate propagation loss as low as 0.3 dB/cm and high-fidelity sensing in foundry-fabricated silicon nitride nanoslot waveguides designed for…”
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Conference Proceeding