Choo, Hyuck

Combined from CaltechAUTHORS

Assumpcao, Daniel and Siddique, Radwanul Hasan, et el. (2024) Bioinspired Nanophotonic Angle-Independent and Ultralarge Light Dispersion Allowing Simultaneous Near-Infrared-Spectroscopy and Visible-Imaging; ACS Photonics; 10.1021/acsphotonics.3c01588
Lee, Hyeongwoo and Koo, Yeonjeong, et el. (2023) All-optical control of high-purity trions in nanoscale waveguide; Nature Communications; Vol. 14; 1891; PMCID PMC10097695; 10.1038/s41467-023-37481-1
Narasimhan, Vinayak and Siddique, Radwanul Hasan, et el. (2022) Glasswing-Butterfly-Inspired Multifunctional Scleral Lens and Smartphone Raman Spectrometer for Point-of-Care Tear Biomarker Analysis; Advanced Science; Vol. 10; No. 5; Art. No. 2205113; 10.1002/advs.202205113
Lee, Hyeongwoo and Koo, Yeonjeong, et el. (2022) Drift-dominant exciton funneling and trion conversion in 2D semiconductors on the nanogap; Science Advances; Vol. 8; No. 5; Art. No. eabm5236; PMCID PMC8816338; 10.1126/sciadv.abm5236
Assumpcao, Daniel R. and Siddique, Radwanul Hasan, et el. (2021) Landau-damping-induced limits to light–matter interactions in sub-10-nm planar plasmonic nanocavities; Optics Express; Vol. 29; No. 24; 39801-39810; 10.1364/oe.443340
Siddique, R. H. and Liedtke, L., et el. (2020) Nanophotonic sensor implants with 3D hybrid periodic-amorphous photonic crystals for wide-angle monitoring of long-term in-vivo intraocular pressure; ISBN 9781728188881; 2020 IEEE International Electron Devices Meeting (IEDM); 14.5.1-14.5.4; 10.1109/IEDM13553.2020.9372016
Assumpcao, Daniel and Siddique, Radwanul, et el. (2020) Angle Independent Fano Resonances in Bioinspired Nanostructured Fabry-Perot Sensors; ISBN 9780646825045; 2020 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR); Art. No. C2D_1; 10.1364/cleopr.2020.c2d_1
Kumar, Shailabh and Park, Haeri, et el. (2020) Overcoming evanescent field decay using 3D-tapered nanocavities for on-chip targeted molecular analysis; Nature Communications; Vol. 11; Art. No. 2930; PMCID PMC7287113; 10.1038/s41467-020-16813-5
Narasimhan, Vinayak and Siddique, Radwanul Hasan, et el. (2020) Bioinspired Disordered Flexible Metasurfaces for Human Tear Analysis Using Broadband Surface-Enhanced Raman Scattering; ACS Omega; Vol. 5; No. 22; 12915-12922; PMCID PMC7288574; 10.1021/acsomega.0c00677
Siddique, Radwanul Hasan and Kumar, Shailabh, et el. (2019) Aluminum Metasurface with Hybrid Multipolar Plasmons for 1000-Fold Broadband Visible Fluorescence Enhancement and Multiplexed Biosensing; ACS Nano; Vol. 13; No. 12; 13775-13783; 10.1021/acsnano.9b02926
Narasimhan, Vinayak and Siddique, Radwanul Hasan, et el. (2019) Enhanced broadband fluorescence detection of nucleic acids using multipolar gap-plasmons on biomimetic Au metasurfaces; Nanoscale; Vol. 11; No. 29; 13750-13757; 10.1039/c9nr03178b
Lee, Jeong Oen and Narasimhan, Vinayak, et el. (2019) Fabry-Pérot optical sensor and portable detector for monitoring high-resolution ocular hemodynamics; IEEE Photonics Technology Letters; Vol. 31; No. 6; 423-426; PMCID PMC6879107; 10.1109/lpt.2019.2896840
Siddique, Radwanul H. and Narasimhan, Vinayak, et el. (2019) Biophotonic nanostructured translational implants for remote intraocular pressure sensing (Conference Presentation); ISBN 9781510624245; Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVI; Art. No. 108910D; 10.1117/12.2507514
Yang, Daejong and Afroosheh, Sajjad, et el. (2018) Glucose Sensing Using Surface-Enhanced Raman-Mode Constraining; Analytical Chemistry; Vol. 90; No. 24; 14269-14278; 10.1021/acs.analchem.8b03420
Yang, Kathleen L. and Lee, Jeong Oen, et el. (2018) Can Raman Shift Be Used To Characterize the Mechanical Property of Graphene?; Journal of Physical Chemistry C; Vol. 122; No. 42; 24467-24474; 10.1021/acs.jpcc.8b07996
Assumpcao, Daniel and Kumar, Shailabh, et el. (2018) High-performance flexible metal-on-silicon thermocouple; Scientific Reports; Vol. 8; Art. No. 13725; PMCID PMC6137040; 10.1038/s41598-018-32169-9
Song, Kwangsun and Kim, Juho, et el. (2018) Flexible-Device Injector with a Microflap Array for Subcutaneously Implanting Flexible Medical Electronics; Advanced Healthcare Materials; Vol. 7; No. 15; Art. No. 1800419; PMCID PMC9035141; 10.1002/adhm.201800419
Narasimhan, Vinayak and Siddique, Radwanul Hasan, et el. (2018) Multifunctional biophotonic nanostructures inspired by the longtail glasswing butterfly for medical devices; Nature Nanotechnology; Vol. 13; No. 6; 512-519; PMCID PMC5992053; 10.1038/s41565-018-0111-5
Han, Samuel J. and Park, Haeri, et el. (2018) Effect of optical aberrations on intraocular pressure measurements using a microscale optical implant in ex vivo rabbit eyes; Journal of Biomedical Optics; Vol. 23; No. 4; Art. No. 047002; 10.1117/1.JBO.23.4.047002
Cho, Hyunjun and Kumar, Shailabh, et el. (2018) Surface-Enhanced Raman Spectroscopy-Based Label-Free Insulin Detection at Physiological Concentrations for Analysis of Islet Performance; ACS Sensors; Vol. 3; No. 1; 65-71; 10.1021/acssensors.7b00864
Lee, Jeong Oen and Park, Haeri, et el. (2017) A microscale optical implant for continuous in vivo monitoring of intraocular pressure; Microsystems and Nanoengineering; Vol. 3; Art. No. 17057; 10.1038/micronano.2017.57
Kim, Kun Ho and Lee, Jeong Oen, et el. (2017) Real-Time In Vivo Intraocular Pressure Monitoring using an Optomechanical Implant and an Artificial Neural Network; IEEE Sensors Journal; Vol. 17; No. 22; 7394-7404; PMCID PMC5798645; 10.1109/JSEN.2017.2760140
Kowarsch, Robert and Janzen, Jürgen, et el. (2017) Scanning confocal vibrometer microscope for vibration analysis of energy-harvesting MEMS in wearables; Technisches Messen; Vol. 84; No. S1; S131-S137; 10.1515/teme-2017-0042
Koo, Sukmo and Siddique, Radwanul Hasan, et el. (2017) Quantitative analysis of a III-V tapered horn-shaped metal-clad nano-cavity as an on-chip light source; AIP Advances; Vol. 7; No. 7; Art. No. 075017; 10.1063/1.4995590
Yang, Daejong and Cho, Hyunjun, et el. (2017) Simple, Large-Scale Fabrication of Uniform Raman-Enhancing Substrate with Enhancement Saturation; ACS Applied Materials & Interfaces; Vol. 9; No. 22; 19092-19101; 10.1021/acsami.7b03239
Narasimhan, Vinayak and Lee, Jeong Oen, et el. (2017) Black silicon as a multifunctional material for medical implants: First demonstrated use in in-vivo intraocular pressure sensing; ISBN 978-1-5386-2732-7; 2017 19th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS); 387-390; 10.1109/TRANSDUCERS.2017.7994068
Brodie, Frank L. and Ramirez, David A., et el. (2017) Novel positioning sensor with real-time feedback for improved postoperative positioning: pilot study in control subjects; Clinical Ophthalmology; Vol. 11; 939-944; PMCID PMC5449164; 10.2147/OPTH.S135128
Lee, Jeong Oen and Narasimhan, Vinayak, et el. (2017) Biocompatible Multifunctional Black-Silicon for Implantable Intraocular Sensor; Advanced Healthcare Materials; Vol. 6; No. 4; Art. No. 1601356; 10.1002/adhm.201601356
Magley, Daniel L. and Narasimhan, Vinayak, et el. (2017) Hydro-ionic microthruster for locomotion in low-Reynold's number ionic fluids; ISBN 978-1-5090-5078-9; IEEE 30th International Conference on Micro Electro Mechanical Systems; 773-776; 10.1109/MEMSYS.2017.7863522
Cho, Hyunjun and Noh, Kyoohyun, et el. (2017) Powering portable electronics using vocal fold vibrations; ISBN 978-1-5090-5078-9; IEEE 30th International Conference on Micro Electro Mechanical Systems; 217-220; 10.1109/MEMSYS.2017.7863379
Brodie, Frank and Woo, Kelly, et el. (2016) Improving Post-Operative Positioning Compliance: A Novel Device; Investigative Ophthalmology and Visual Science; Vol. 57; No. 12; Art. No. 5836
Lee, Jeong Oen and Du, Juan, et el. (2016) In Vivo Intraocular Pressure Measurements Using A Miniaturized Nano-Photonic Sensor Implant; Investigative Ophthalmology and Visual Science; Vol. 57; No. 12; Art. No. 6462
Yang, Daejong and Lee, Jeong Oen, et el. (2016) Glucose measurement using Surface Enhanced Raman Scattering; ISBN 978-1-5090-6093-1; 2016 Progress in Electromagnetic Research Symposium (PIERS); 3936-3936; 10.1109/PIERS.2016.7735481
Woo, Kelly and Yang, Daejong, et el. (2016) ZnO-nanowire Morphology Optimization for Glucose-SERS Sensing; ISBN 978-1-5090-6093-1; 2016 Progress in Electromagnetic Research Symposium (PIERS); 3943-3943; 10.1109/PIERS.2016.7735484
Song, Kwangsun and Han, Jung Hyun, et el. (2016) Subdermal Flexible Solar Cell Arrays for Powering Medical Electronic Implants; Advanced Healthcare Materials; Vol. 5; No. 13; 1572-1580; 10.1002/adhm.201600222
Brodie, Frank L. and Woo, Kelly Y., et el. (2016) Validation of sensor for postoperative positioning with intraocular gas; Clinical Ophthalmology; Vol. 2016; No. 10; 955-960; PMCID PMC4888728; 10.2147/OPTH.S105347
Cho, Hyunjun and Balakrishna, Ashwin, et el. (2016) Efficient power generation from vocal folds vibrations for medical electronic implants; ISBN 978-1-5090-1973-1; 29th International Conference on Micro Electro Mechanical Systems (MEMS), 2016; 363-366; 10.1109/MEMSYS.2016.7421636
Lee, Jeong Oen and Park, Haeri, et el. (2016) Achieving clinically viable 12-cm readout distance from micromachined implantable intraocular pressure sensor using a standard clinical slit lamp; ISBN 978-1-5090-1973-1; 29th International Conference on Micro Electro Mechanical Systems (MEMS), 2016; 210-213; 10.1109/MEMSYS.2016.7421596
Choi, Seong Soo and Park, Myoung Jin, et el. (2015) Fabrication of pyramidal probes with various periodic patterns and a single nanopore; Journal of Vacuum Science and Technology B; Vol. B33; No. 6; Art. No. 06F203; 10.1116/1.4935560
Choo, Hyuck and Cabrini, Stefano, et el. (2015) Nano-fabricated plasmonic optical transformer
Chen, S. and Rosenberg, J., et el. (2015) On-Demand Power Source for Medical Electronic Implants: Acousto-Mechanical Vibrations from Human Vocal Folds
Kou, Junlong and Li, Zheng, et el. (2015) Nanofabrication of 3 Dimensional Taper Structures for Nanofocusing Purposes
Li, Zheng and Kou, Jun-long, et el. (2014) Highly Efficient and Tailorable On-Chip Metal–Insulator–Metal Plasmonic Nanofocusing Cavity; ACS Photonics; Vol. 1; No. 10; 944-953; 10.1021/ph500097m
Kou, Jun-long and Xu, Fei, et el. (2014) Implementation of a High-Q, Small Mode Volume Cavity in Microfibers Using Lattice-Constant-Varying Nanohole Arrays; IEEE Journal of Selected Topics in Quantum Electronics; Vol. 20; No. 5; Art. No. 0903104; 10.1109/JSTQE.2014.2308395
Lee, Jeong Oen and Nguyen, Trong-Tuong, et el. (2014) Nanoarray-enhanced Implantable Intraocular Pressure Sensor with Remote Optical Readout; PIERS Proceedings; 826
Choo, Hyuck (2014) 3D Nanofocusing plasmonic waveguide; ISBN 978-0-9928-4140-9; 2014 International Conference on Optical MEMS and Nanophotonics (OMN); 203-204; 10.1109/OMN.2014.6924523
Choo, Hyuck (2014) Engineered Highly Efficient Nanofocusing Plasmonic Waveguides; PIERS Proceedings; 101
Lee, Jeong O. and Nguyen, Trong-Tuong, et el. (2014) Nanoarray-Enhanced Micromechanical Pressure Sensor with Remote Optical Readout; 10.1364/SENSORS.2014.SeTh2D.3
Li, Zheng and Choo, Hyuck (2014) On-chip low-profile nano-horn metal-clad optical cavity with much improved performance; ISBN 978-1-55752-999-2; 2014 Conference on Lasers and Electro-Optics; Art. No. JTh2A.94; 10.1364/CLEO_AT.2014.JTh2A.94
Huang, Kun and Lee, Jeong O., et el. (2014) Nanophotonics-based Intraocular Pressure (IOP) Sensor with Remote Optical Readout
Choo, Hyuck (2014) Highly efficient nanofocusing for integrated on-chip nanophotonics; SPIE Newsroom; 10.1117/2.1201401.005275
Kou, Jun-long and Choo, Hyuck (2014) A High-Q and Small-Mode-Volume Cavity in Microfibers; 10.1364/LS.2014.LTh1H.5
Kim, Myung-Ki and Li, Zheng, et el. (2013) Engineering of metal-clad optical nanocavity to optimize coupling with integrated waveguides; Optics Express; Vol. 21; No. 22; 25796-25804; 10.1364/OE.21.025796
Kim, Myung-Ki and Li, Zheng, et el. (2013) Engineering Metallic Nanocavity Radiation for Efficient Uni-/Bi-directional Coupling into Integrated Waveguide; ISBN 978-1-55752-972-5; CLEO: 2013 Technical Digest; paper QW3N.2; 10.1364/CLEO_QELS.2013.QW3N.2
Kim, Myung-Ki and Choo, Hyuck (2013) A Highly Efficient On-chip 3D Plasmonic Nanofocusing Structure; MRS Proceedings; Vol. 1566; 10.1557/opl.2013.844
Bao, Wei and Melli, M., et el. (2012) Mapping Local Charge Recombination Heterogeneity by Multidimensional Nanospectroscopic Imaging; Science; Vol. 338; No. 6112; 1317-1321; 10.1126/science.1227977
Choo, Hyuck and Kim, Myung-Ki, et el. (2012) Nanofocusing in a metal–insulator–metal gap plasmon waveguide with a three-dimensional linear taper; Nature Photonics; Vol. 6; No. 12; 838-844; 10.1038/nphoton.2012.277
Zayak, Alexey T. and Choo, Hyuck, et el. (2012) Harnessing Chemical Raman Enhancement for Understanding Organic Adsorbate Binding on Metal Surfaces; Journal of Physical Chemistry Letters; Vol. 3; No. 10; 1357-1362; 10.1021/jz300374d
Garmire, David and Choo, Hyuck, et el. (2011) Integrated MEMS metrology device using complementary measuring combs
Seok, Tae Joon and Jamshidi, Arash, et el. (2011) Radiation Engineering of Optical Antennas for Maximum Field Enhancement; Nano Letters; Vol. 11; No. 7; 2606-2610; 10.1021/nl2010862
Zayak, A. T. and Hu, Y. S., et el. (2011) Chemical Raman Enhancement of Organic Adsorbates on Metal Surfaces; Physical Review Letters; Vol. 106; No. 8; Article 083003; 10.1103/PhysRevLett.106.083003
Hu, Ying S. and Jeon, Jaeseok, et el. (2010) Enhanced Raman Scattering from Nanoparticle-Decorated Nanocone Substrates: A Practical Approach to Harness In-Plane Excitation; ACS Nano; Vol. 4; No. 10; 5721-5730; 10.1021/nn101352h
Choo, Hyuck and Stafarroni, Matteo, et el. (2010) Three-Dimensional Optical Transformer - Highly Efficient Nanofocusing Device
Seok, Tae Joon and Jamshidi, Arash, et el. (2010) Characterization of Extended Width Optical Dipole Antennas; 10.1364/CLEO.2010.CFI4
Choo, Hyuck and Muller, Richard S. (2010) Optical switch using frequency-based addressing in a microelectromechanical systems array
Zayak, Alexey T. and Hu, Ying, et el. (2010) Selective Chemical Raman Enhancement for Organic Adsorbates at Metal Surfaces; Bulletin of the American Physical Society; Vol. 55; No. 2
Choo, Hyuck and Garmire, David, et el. (2009) Method for fabricating vertically-offset interdigitated comb actuator device
Choo, Hyuck and Muller, Richard S., et el. (2009) MEMS-based, phase-shifting interferometer
Choo, Hyuck and Muller, Richard S. (2008) Optical system applicable to improving the dynamic range of Shack-Hartmann sensors
Choo, Hyuck and Muller, Richard S. (2007) Devices, Structures, and Processes for Optical MEMS; IEEJ Transactions on Electrical and Electronic Engineering; Vol. 2; No. 3; 216-231; 10.1002/tee.20156
Choo, Hyuck and Garmire, David, et el. (2007) Simple Fabrication Process for Self-Aligned, High-Performance Microscanners—Demonstrated Use to Generate a 2-D Ablation Pattern; Journal of Microelectromechanical Systems; Vol. 16; No. 2; 260-268; 10.1109/JMEMS.2007.895048
Kant, R. and Garmire, D., et el. (2007) Characterization of an Improved, Real-Time MEMS-Based Phase-Shifting Interferometer; ISBN 978-1-4244-0641-8; 2007 IEEE/LEOS International Conference on Optical MEMS and Nanophotonics; 57-58; 10.1109/OMEMS.2007.4373838
Garmire, D. and Choo, H., et el. (2007) Diamagnetically Levitated MEMS Accelerometers; ISBN 1-4244-0842-3; TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference; 1203-1206; 10.1109/SENSOR.2007.4300352
Choo, Hyuck and Muller, Richard S. (2006) Addressable Microlens Array to Improve Dynamic Range of Shack–Hartmann Sensors; Journal of Microelectromechanical Systems; Vol. 15; No. 6; 1555-1567; 10.1109/JMEMS.2006.886011
Kim, Jongbaeg and Choo, Hyuck, et el. (2006) Microfabricated Torsional Actuators Using Self-Aligned Plastic Deformation of Silicon; Journal of Microelectromechanical Systems; Vol. 15; No. 3; 553-562; 10.1109/JMEMS.2006.876789
Choo, H. and Garmire, D., et el. (2005) A simple process to fabricate self-aligned, high-performance torsional microscanners; demonstrated use in a two-dimensional scanner; ISBN 0-7803-9278-7; IEEE/LEOS International Conference on Optical MEMS and Their Applications Conference, 2005; 21-22; 10.1109/OMEMS.2005.1540056
Choo, Hyuck and Muller, Richard S. (2004) Addressable Microlens Array to Improve Dynamic Range of Shack-Hartmann Sensors; ISBN 0964002450; Solid-State Sensor, Actuator and Microsystems Workshop, Hilton Head Island, South Carolina, June 6-10, 2004 : technical digest
Gupta, Kishnan and Choo, Hyuck, et el. (2003) Micromachined Polarization Beam Splitters for the Visible Spectrum; ISBN 0-7803-7830-X; 2003 IEEE/LEOS International Conference on Optical MEMS; 171-172; 10.1109/OMEMS.2003.1233520
Kim, Jongbaeg and Choo, Hyuck, et el. (2003) Microfabricated torsional actuator using self-aligned plastic deformation; ISBN 0-7803-7731-1; 12th International Conference on TRANSDUCERS, Solid-State Sensors, Actuators and Microsystems 2003; 1015-1018; 10.1109/SENSOR.2003.1216940
Choo, Hyuck and Muller, Richard S. (2003) Optical properties of microlenses fabricated using hydrophobic effects and polymer-jet-printing technology; ISBN 0-7803-7830-X; 2003 IEEE/LEOS International Conference on Optical MEMS; 169-170; 10.1109/OMEMS.2003.1233519