Dr. Padraic E. Morrissey Profile

Dr. Padraic E. Morrissey

at Tyndall National Institute

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 8 March 2024 Presentation + Paper

Presentation + Paper

Silicon nitride photonic integrated circuits for optical coherence tomography

Rainer Hainberger, Paul Müllner, Moritz Eggeling, Alejandro Maese-Novo, Yevhenii Morozov, Stefan Nevlacsil, Pietro Cipriano, Desiree Rist, Martin Sagmeister, Jochen Kraft, Stefan Richter, Michael Kempe, Stefan Gloor, Marcus Duelk, Nanko Verwaal, Gunay Yurtsever, Mathias Berciano, Filippo Ferraro, Pol Van Dorpe, Anja Agneter, Quang Nguyen, Elisabet Rank, Wolfgang Drexler, Mareike Trappen, Matthias Blaicher, Michael Thiel, Sharon Butler, Kamil Gradkowski, Padraic Morrissey, Peter O'Brien, Marko Vlaskovic, Horst Zimmermann, Dana Seyringer

Proceedings Volume 12890, 1289006 (2024) https://doi.org/10.1117/12.2692816

KEYWORDS: Optical coherence tomography, Photonic integrated circuits, Polarization, Waveguides, Simulations, Silicon nitride, Photodiodes, Arrayed waveguide gratings

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SPIE Journal Paper | 27 January 2024 Open Access

Open Access

Special Section Guest Editorial: Packaging Challenges of Photonic Integrated Circuits

Jeroen Missinne, Yanlu Li, Stefan Mohrdiek, Padraic Morrissey

JOM, Vol. 4, Issue 01, 011001, (January 2024) https://doi.org/10.1117/12.10.1117/1.JOM.4.1.011001

KEYWORDS: Photonic integrated circuits, Packaging, Optical testing, Advanced packaging, Transceivers, Printing, Polarization, Optical microsystems, Optical fabrication, Optical components

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SPIE Journal Paper | 5 January 2024 Open Access

Open Access

Substrate integrated micro-thermoelectric coolers in glass substrate for next-generation photonic packages

Parnika Gupta, Amit Tanwar, Xiuyun He, Kamil Gradkowski, Kafil M. Razeeb, Padraic E. Morrissey, Peter O’Brien

JOM, Vol. 4, Issue 01, 011006, (January 2024) https://doi.org/10.1117/12.10.1117/1.JOM.4.1.011006

KEYWORDS: Glasses, Thermoelectric materials, Copper, Resistance, Electrical conductivity, Optical microsystems, Temperature metrology, Silicon, Fabrication, Packaging

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SPIE Journal Paper | 29 November 2023 Open Access

Open Access

Micro-transfer printing of thick optical components using a tether-free UV-curable approach

Saif Wakeel, Padraic E. Morrisey, Muhammet Genc, Prasanna Ramaswamy, Robert Bernson, Kamil Gradkowski, Brian Corbett, Peter O’Brien

JOM, Vol. 4, Issue 01, 011003, (November 2023) https://doi.org/10.1117/12.10.1117/1.JOM.4.1.011003

KEYWORDS: Printing, Silicon, Lenses, Epoxies, Semiconducting wafers, Optical components, Coating thickness, Photonics, Wafer bonding, Surface roughness

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Proceedings Article | 14 March 2023 Presentation + Paper

Presentation + Paper

Laser Doppler vibrometry sensors implemented in a silicon photonic integrated circuit for measuring cardiovascular signals on bare skin

Yanlu Li, Soren Aasmul, Andrei Bakoz, Chirag Murendranath Patil, Padraic Morrissey, Tracy Wotherspoon, Owen Pullin, Felix Campano Casado, Petr Záruba, Roel Baets

Proceedings Volume 12355, 1235507 (2023) https://doi.org/10.1117/12.2648832

KEYWORDS: Laser Doppler velocimetry, Skin, Reflection, Signal to noise ratio, Doppler effect, Sensors, Tissue optics, Silicon photonics, Signal detection, Vibrometry

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Proceedings Article | 30 May 2022 Presentation

Presentation

PIXAPP: the photonics packaging pilot line

Padraic Morrissey

Proceedings Volume PC12148, PC1214809 (2022) https://doi.org/10.1117/12.2631224

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Proceedings Article | 5 March 2022 Presentation

Presentation

Interfacing photonic building blocks for silicon nitride photonic-integrated circuit-based sensing devices

Rainer Hainberger, Paul Muellner, Stefan Nevlacsil, Moritz Eggeling, Florian Vogelbacher, Martin Sagmeister, Gerald Meinhardt, Karl Rohracher, Stefan Jessenig, Desiree Rist, Deborah Morecroft, Jochen Kraft, Nanko Verwaal, Leonhard Klein, Matthias Voelker, Moises Jezzini, Padraic Morrissey, Peter O'Brien, Stefan Gloor, Marcus Duelk, Stefan Richter, Michael Kempe, Elisabet Rank, Wolfgang Drexler

Proceedings Volume PC12007, PC120070K (2022) https://doi.org/10.1117/12.2606125

KEYWORDS: Photonic integrated circuits, Silicon, Photonic devices, Photodiodes, Waveguides, Polarization, Integrated optics, Visible radiation, Telecommunications, Structured optical fibers

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Proceedings Article | 5 March 2021 Presentation + Paper

Presentation + Paper

Optimization of multi-beam silicon photonics-based laser Doppler vibrometry for measuring cardiovascular signals on bare skin

Yanlu Li, Soren Aasmul, Padraic Morrissey, Daniel Carey, Tracy Wotherspoon, Petr Záruba, Roel Baets

Proceedings Volume 11621, 116210A (2021) https://doi.org/10.1117/12.2577159

KEYWORDS: Skin, Vibrometry, Silicon photonics, Doppler effect, Laser Doppler velocimetry, Tissue optics, Standards development, Signal attenuation, Optical imaging, Interferometry

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Proceedings Article | 31 January 2020 Presentation + Paper

Presentation + Paper

Design considerations for multi-chip module silicon-photonic transceivers

Nathan Abrams, Qixiang Cheng, Madeleine Glick, Evgeny Manzhosov, Moises Jezzini, Padraic Morrissey, Peter O'Brien, Keren Bergman

Proceedings Volume 11308, 113080I (2020) https://doi.org/10.1117/12.2544008

KEYWORDS: Photonic integrated circuits, Transceivers, Silicon, Modulators, Waveguides, Silicon photonics, Prototyping, Capacitance, Data modeling, Interfaces

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Proceedings Article | 19 July 2019 Paper

Paper

Spectral domain and swept source optical coherence tomography on a photonic integrated circuit at 840nm for ophthalmic application

Elisabet Rank, Stefan Nevlacsil, Paul Müllner, Rainer Hainberger, Alejandro Maese-Novo, Marcus Dülk, Stefan Gloor, Matthias Völker, Nanko Verwaal, Gerald Meinhardt, Martin Sagmeister, Jochen Kraft, Padraic Morrissey, Moises Jezzini, Zhiheng Quan, Peter O'Brien, Stefan Richter, Michael Kempe, Dana Seyringer, Wolfgang Drexler

Proceedings Volume 11078, 110780U (2019) https://doi.org/10.1117/12.2526903

KEYWORDS: Optical coherence tomography, Photonic integrated circuits, Imaging systems, Waveguides, Tissues, In vivo imaging, Optical fibers, Light

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Proceedings Article | 22 February 2018 Paper

Paper

Packaging of silicon photonic devices: from prototypes to production

Padraic Morrissey, Kamil Gradkowski, Lee Carroll, Peter O'Brien

Proceedings Volume 10537, 105370L (2018) https://doi.org/10.1117/12.2292674

KEYWORDS: Packaging, Photonic integrated circuits, Silicon photonics, Fiber couplers, Tolerancing, Prototyping, Silicon, Standards development, Photonic devices, Manufacturing

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Proceedings Article | 28 April 2016 Paper

Paper

Low-linewidth and tunable single frequency 1x2 multimode-interferometer-Fabry-Perot laser

Hua Yang, Mingqi Yang, Padraic Morrissey, Brian Corbett, Frank Peters

Proceedings Volume 9892, 989217 (2016) https://doi.org/10.1117/12.2227088

KEYWORDS: Waveguides, Semiconductor lasers, Composites, Tunable lasers, Telecommunications, Laser development, Multimode interference devices, Fabrication, Semiconductor lasers, Silica, L band, Etching, Optical lithography, Laser processing, Quantum wells

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Proceedings Article | 27 April 2016 Paper

Paper

Shallow etch electrical isolation in capacitively loaded Mach-Zehnder modulators

Padraic Morrissey, Philip Marraccini, Moises Jezzini, Frank Peters

Proceedings Volume 9889, 988903 (2016) https://doi.org/10.1117/12.2224583

KEYWORDS: Modulators, Waveguides, Electrodes, Phase shifts, Wave propagation, Integrated optics, Transmitters, Capacitance, Doping, Optical simulations, Microwave radiation, Signal attenuation, Optical components

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Proceedings Article | 3 December 2014 Paper

Paper

Novel InGaAlAs/InGaAlAs quantum well multimode-interferometer-Fabry-Perot laser diode

Hua Yang, Padraic Morrissey, Mingqi Yang, Brian Corbett, Frank Peters

Proceedings Volume 9267, 926702 (2014) https://doi.org/10.1117/12.2071772

KEYWORDS: Brain-machine interfaces, Waveguides, Semiconductor lasers, Single mode fibers, Quantum wells, Waveguide modes, Laser processing, Silica, Fabrication, Interferometers

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Proceedings Article | 29 November 2012 Paper

Paper

Single facet slotted Fabry-Perot laser and its application in photonic integrated circuits

Hua Yang, Padraic Morrissey, Qiao Lu, William Cotter, Chris Daunt, James O’Callaghan, Wei Guo, Wei Han, John Donegan, Brian Corbett, Frank Peters

Proceedings Volume 8552, 85520C (2012) https://doi.org/10.1117/12.2001069

KEYWORDS: Photonic integrated circuits, Waveguides, Brain-machine interfaces, Mirrors, Etching, Semiconductor lasers, Laser development, Integrated circuit design, Fabry–Perot interferometers, Integrated circuits

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Showing 5 of 15 publications

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