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Sunwoo Lee - IEEE Xplore Author Profile

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Author details

Sunwoo Lee

Publications

8

Citations

133

Publications by Year

20102023

Co-Authors:

Elizabeth Rose AggerThomas A. ClelandAlejandro Javier CorteseBenyamin DavajiShelley Fried

Show All Co-Authors (31)

Sunwoo Lee

Affiliation

Department of Electrical and Electronic Engineering, Nanyang Technological University, Singapore

Publication Topics

Atomic Layer Deposition,
Heterogeneous Integration,
Optical Power,
Autonomic System,
Base Pressure,
Biological Media,
Biomedical Implants,
Bond Wires,
Boost Converter,
Buffer Solution pH,
Bulk Silicon,
CMOS Technology

Biography

Sunwoo Lee (Member, IEEE) received the B.S. degree in electrical and computer engineering from Cornell University, Ithaca, NY, USA, in 2010, and the M.S. and Ph.D. degrees in electrical engineering from Columbia University, NY, in 2012 and 2016, respectively, working graphene-based nano-electro-mechanical systems for signal processing and sensing applications.,In April 2016, he joined the Molnar Group as a Post-Doctoral Researcher at the School of Electrical and Computer Engineering, Cornell University, to work on opto-electrically transduced micro-scale neural interfaces.(Based on document published on 12 June 2020).

Publications

8

Citations

133

Publications by Year

20102023

Co-Authors:

Elizabeth Rose Agger
Thomas A. Cleland
Alejandro Javier Cortese
Benyamin Davaji
Shelley Fried

Show All Co-Authors (31)

Author's Published Works

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Showing 1-8 of 8 results

Conferences (6)

Journals (2)

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Sunwoo Lee(8)
Paul L. McEuen(4)
Alyosha Christopher Molnar(3)
Shahaboddin Ghajari(3)
Alyosha Molnar(2)
Department of Electrical and Computer Engineering, Cornell University, Ithaca, NY, USA(3)
Department of Physics, Cornell University, Ithaca, NY, USA(2)
School of Electrical and Computer Engineering, Cornell University, Ithaca, NY, USA(2)
Department of Neurosurgery, Massachusetts General Hospital (MGH), Harvard Medical School, Boston, MA, USA(1)
Department of Applied and Engineering Physics, Cornell University, Ithaca, NY, USA(1)
2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS)(1)
2018 IEEE International Solid-State Circuits Conference - (ISSCC)(1)
2021 10th International IEEE/EMBS Conference on Neural Engineering (NER)(1)
2021 IEEE Custom Integrated Circuits Conference (CICC)(1)
2023 IEEE International Symposium on Circuits and Systems (ISCAS)(1)
IEEE(8)
Austin, TX, USA(1)
Italy(1)
Las Vegas, NV, USA(1)
Monterey, CA, USA(1)
San Francisco, CA, USA(1)
Optical Power(5)
Power Consumption(4)
Atomic Layer Deposition(3)
Heterogeneous Integration(3)
Charge Pump(2)

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Redox-Enabled Microscale Opto-Electronically Transduced Electrodes (ReMOTEs)

Shahaboddin Ghajari;Sunwoo Lee;Samantha L. Norris;Paul L. McEuen;Alyosha C. Molnar

2023 IEEE International Symposium on Circuits and Systems (ISCAS)

Year: 2023 | Conference Paper |

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We present the elements of a pH-measuring autonomous microsystem, a Redox-Enabled Microscale Opto-Electronically Transduced Electrode (ReMOTE). The ReMOTE contains two electrodes of different materials, where the nearby

$\mathbf{pH}$ dictates the voltage between the two electrodes. The ReMOTE is a tetherless, all-optical microsystem which is powered and is transmitting its data optically. The ReMO...Show More

Redox-Enabled Microscale Opto-Electronically Transduced Electrodes (ReMOTEs)

Shahaboddin Ghajari;Sunwoo Lee;Samantha L. Norris;Paul L. McEuen;Alyosha C. Molnar

2023 IEEE International Symposium on Circuits and Systems (ISCAS)

Year: 2023 | Conference Paper |

Neural Probe Utilizing Programmable Micro-coil Magnetic Stimulation

Edward C. Szoka;Jesse C. Werth;Sunwoo Lee;Jae-Ik Lee;Alejandro J. Cortese;Thomas A. Cleland;Shelley Fried;Alyosha Molnar

2021 10th International IEEE/EMBS Conference on Neural Engineering (NER)

Year: 2021 | Conference Paper |

Cited by: Papers (1)

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Micro-coil based magnetic stimulation has been shown to be an effective form of neural modulation [1]. Microcoil devices have advantages over the more commonly used micro-electrodes due to the induced electric fields being spatially asymmetric, allowing for neuron orientation-based selectivity. Furthermore, the micro-coils do not require direct contact with biological tissue, allowing for complete...Show More

Neural Probe Utilizing Programmable Micro-coil Magnetic Stimulation

Edward C. Szoka;Jesse C. Werth;Sunwoo Lee;Jae-Ik Lee;Alejandro J. Cortese;Thomas A. Cleland;Shelley Fried;Alyosha Molnar

2021 10th International IEEE/EMBS Conference on Neural Engineering (NER)

Year: 2021 | Conference Paper |

Nanoliter-Scale Autonomous Electronics: Advances, Challenges, and Opportunities

Alyosha Christopher Molnar;Sunwoo Lee;Alejandro Cortese;Paul McEuen;Sanaz Sadeghi;Shahaboddin Ghajari

2021 IEEE Custom Integrated Circuits Conference (CICC)

Year: 2021 | Conference Paper |

Cited by: Papers (8)

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While CMOS scaling has long been driven by economic and performance concerns in macroscale systems such as computers and smartphones, it has also been recognized that such physically small electronic components could pave the way to vanishingly small autonomous systems. Originally dubbed “smart dust”, these emerging systems include ultra-small wireless sensors, ID tags, and even robots. Such “Smar...Show More

Nanoliter-Scale Autonomous Electronics: Advances, Challenges, and Opportunities

Alyosha Christopher Molnar;Sunwoo Lee;Alejandro Cortese;Paul McEuen;Sanaz Sadeghi;Shahaboddin Ghajari

2021 IEEE Custom Integrated Circuits Conference (CICC)

Year: 2021 | Conference Paper |

Fabrication of Injectable Micro-Scale Opto- Electronically Transduced Electrodes (MOTEs) for Physiological Monitoring

Sunwoo Lee;Alejandro Javier Cortese;Aaron Mok;Chunyan Wu;Tianyu Wang;Ju Uhn Park;Conrad Smart;Shahaboddin Ghajari;Devesh Khilwani;Sanaz Sadeghi;Yanxin Ji;Jesse H. Goldberg;Chris Xu;Paul L. McEuen;Alyosha Christopher Molnar

Journal of Microelectromechanical Systems

Year: 2020 | Volume: 29, Issue: 5 | Journal Article |

Cited by: Papers (22)

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In vivo, chronic neural recording is critical to understand the nervous system, while a tetherless, miniaturized recording unit can render such recording minimally invasive. We present a tetherless, injectable micro-scale opto-electronically transduced electrode (MOTE) that is ~60μm × 30μm × 330μm, the smallest neural recording unit to date. The MOTE consists of an AlGaAs micro-scale light emittin...Show More

Fabrication of Injectable Micro-Scale Opto- Electronically Transduced Electrodes (MOTEs) for Physiological Monitoring

Sunwoo Lee;Alejandro Javier Cortese;Aaron Mok;Chunyan Wu;Tianyu Wang;Ju Uhn Park;Conrad Smart;Shahaboddin Ghajari;Devesh Khilwani;Sanaz Sadeghi;Yanxin Ji;Jesse H. Goldberg;Chris Xu;Paul L. McEuen;Alyosha Christopher Molnar

Journal of Microelectromechanical Systems

Year: 2020 | Volume: 29, Issue: 5 | Journal Article |

A 250 μm × 57 μm Microscale Opto-electronically Transduced Electrodes (MOTEs) for Neural Recording

Sunwoo Lee;Alejandro Javier Cortese;Aasta Parin Gandhi;Elizabeth Rose Agger;Paul L. McEuen;Alyosha Christopher Molnar

IEEE Transactions on Biomedical Circuits and Systems

Year: 2018 | Volume: 12, Issue: 6 | Journal Article |

Cited by: Papers (68)

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Recording neural activity in live animals in vivo with minimal tissue damage is one of the major barriers to understanding the nervous system. This paper presents the technology for a tetherless opto-electronic neural interface based on 180 nm CMOS circuits, heterogeneously integrated with an AlGaAs diode that functions as both a photovoltaic and light emitting diode. These microscale opto-electri...Show More

A 250 μm × 57 μm Microscale Opto-electronically Transduced Electrodes (MOTEs) for Neural Recording

Sunwoo Lee;Alejandro Javier Cortese;Aasta Parin Gandhi;Elizabeth Rose Agger;Paul L. McEuen;Alyosha Christopher Molnar

IEEE Transactions on Biomedical Circuits and Systems

Year: 2018 | Volume: 12, Issue: 6 | Journal Article |

A 330μm×90μm opto-electronically integrated wireless system-on-chip for recording of neural activities

Sunwoo Lee;Alejandro J. Cortese;Paige Trexel;Elizabeth R. Agger;Paul L. McEuen;Alyosha C. Molnar

2018 IEEE International Solid-State Circuits Conference - (ISSCC)

Year: 2018 | Conference Paper |

Cited by: Papers (12)

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Recording neural activity in live animals in vivo poses several challenges. Electrical techniques typically require electrodes to be tethered to the outside world directly via a wire, or indirectly via an RF Coil [1], which is much larger than the electrodes themselves. Tethered implants result in residual motion between neurons and electrodes as the brain moves, and limits our ability to measure ...Show More

A 330μm×90μm opto-electronically integrated wireless system-on-chip for recording of neural activities

Sunwoo Lee;Alejandro J. Cortese;Paige Trexel;Elizabeth R. Agger;Paul L. McEuen;Alyosha C. Molnar

2018 IEEE International Solid-State Circuits Conference - (ISSCC)

Year: 2018 | Conference Paper |

Zero-power sensors with near-zero-power wakeup switches for reliable sensor platforms

Visarute Pinrod;Leanna Pancoast;Benyamin Davaji;Sunwoo Lee;Robin Ying;Alyosha Molnar;Amit Lal

2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS)

Year: 2017 | Conference Paper |

Cited by: Papers (22)

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The near zero-power sensor node solution is presented with piezoelectric sensors and DC tunable threshold electrostatic switches. A sensor suite measuring acceleration, rotation, and magnetic field based on PZT lateral bimorphs is used with NEMS switches for the detection of a desired signal pattern and generating a wake up trigger. The sensors are capable of detecting physical signals from 5 Hz t...Show More

Zero-power sensors with near-zero-power wakeup switches for reliable sensor platforms

Visarute Pinrod;Leanna Pancoast;Benyamin Davaji;Sunwoo Lee;Robin Ying;Alyosha Molnar;Amit Lal

2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS)

Year: 2017 | Conference Paper |

Extreme tuning of microphotonic structures using optical forces

Gustavo S. Wiederhecker;Sasikanth Manipatruni;Sunwoo Lee;Michal Lipson

CLEO/QELS: 2010 Laser Science to Photonic Applications

Year: 2010 | Conference Paper |

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We show evidence of extreme tuning of micro-photonic resonances (31.4 nm) using optical gradient forces. We estimate the static mechanical displacements to be as large as 60 nm using mW level optical powers.Show More

Extreme tuning of microphotonic structures using optical forces

Gustavo S. Wiederhecker;Sasikanth Manipatruni;Sunwoo Lee;Michal Lipson

CLEO/QELS: 2010 Laser Science to Photonic Applications

Year: 2010 | Conference Paper |

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