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 Journal Publications

- Young Jae Park, Man Jae Her, Youngjae Jeong, Dong Ju Choi, Dong Uk Kim, Min Gi Lim, Myung Seok Hong, Hyug Su Kwon, Kyoungsik Yu*, and Sangyoon Han*, "Fully tunable Fabry-Pérot cavity based on MEMS Sagnac loop reflector with ultra-low static power consumption", Microsystems & nanoengineering, 2024

- Min G.Lim, Dong U. Kim, Young J. Park, Dong J. Choi, Youngjae Jeong, Yoonhyuk Rah, Myung S.Hong, Kyoungsik Yu, Kwang-Yong Jeong*, and Sangyoon Han*, "Controlling Four-Wave Mixing through Full Tunability of MEMS-Based Photonic Molecules", ACS Phoyonics, 2024

- D. U. Kim, Y. J. Park, D. Y. Kim, Y. Jeong, M. G. Lim, M. S. Hong, M. J. Her, Y. Rah, D. J. Choi, S. Han*, and K. Yu*, "Programmable photonic arrays based on microelectromechanical elements with femtowatt-level standby power consumption", Nature Photonics, 2023

- MG Lim, YJ Park, DJ Choi, DU Kim, MS Hong, MJ Her, A. Y. Takabayashi, Yj Jeong, JW Park, SJ Han, N. Quack, Y. Bae, K. Yu*, and S Han*, "Fully reconfigurable MEMS-based second-order coupled-resonator optical waveguide (CROW) with ultra-low tuning energy", Optics Express, 2023

- MS Hong, MG Lim, DU Kim, MJ Her, YJ Park, DJ Choi, Yj Jeong, JW Park, SJ Han, YH Chun, SC Eom, SY Oh, K. Yu, and S Han*, "Programmable MZI based on a silicon photonic MEMS-tunable delay line", Optics Letters, 2023

- YH Rah, Yj Jeong, S Han, and K. Yu, "Low Power Coherent Ising Machine Based on Mechanical Kerr Nonlinearity", Physical Review Letters, 2023

- D Kim†, S Han†, DG Kim, K Ko, DY Choi, and H Lee, "Two-point coupling method to independently control coupling efficiency at different wavelengths", Optics Letters, 2022

- IK Kim, DU Kim, VH Nguyen, S Han*, and TJ Seok*, "High-performance and compact silicon photonic 3-dB adiabatic coupler based on shortest mode transformer method", IEEE Photonics Journal, 2021

- J Hwang, DG Kim, S Han, D Jeong, YH Lee, DY Choi, and H Lee, "Supercontinuum generation in As2S3 waveguides fabricated without direct etching", Optics Letters, 2021

S. Han*, J. Beguelin*, L. Ochikubo, J. Jacobs, T. J. Seok, K. Yu, N. Quack, C.-K. Kim, R. S. Muller, and M. C. Wu, "32 × 32 silicon photonic MEMS switch with gap-adjustable directional couplers fabricated in commercial CMOS foundry", Journal of Optical Microsystems, 2021

- D.-G. Kim†, S. Han†, J. Hwang, I. H. Do, D. Jeong, J.-H. Lim, Y.-H. Lee, M. Choi, Y.-H. Lee, D.-Y. Choi, and H. Lee, "Universal light-guiding geometry for on-chip resonators having extremely high Q-factor", Nature Communications, 2020

- H. Sattari, T. Graziosi, M. Kiss, T. J. Seok, S. Han, M. C. Wu, and N. Quack, "Silicon photonic MEMS phase-shifter", Optics Express, 2019

S. Han, T. J. Seok, C. -K. Kim, R. S. Muller, and M. C. Wu, "Multicast silicon photonic MEMS switches with gap-adjustable directional couplers", Optics Express, 2019

- S. J. Yoon, J. Lee, S. Han, C. K. Kim, C. W. Ahn, M. K. Kim, and Y. H. Lee, "Non-fluorescent nanoscopic monitoring of a single trapped nanoparticle via nonlinear point sources", Nature Communications, 2019

S.Han, T. J. Seok, K.Yu, N. Quack, R. S. Muller, and M. C. Wu, "Large-scale polarization-insensitive silicon photonic MEMS switches", Journal of Lightwave Technology, 2018

- H. Y. Hwang, J. S. Lee, T. J. Seok, A. Forencich, H. R. Grant, D. Knutson, N. Quack, S. Han, R. S. Muller, G. C. Papen, M. C. Wu, and P. O'. Brien, "Flip chip packaging of digital silicon photonics MEMS switch for cloud computing and data centre", IEEE Photonics Journal, 2017

- N. Quack, T. J. Seok, S. Han, R. S. Muller, and M. C. Wu, "Scalable row/column addressing of silicon photonic MEMS switches", IEEE Photonics Technology Letters, 2016

- T. J. Seok, N. Quack, S. Han, R. S. Muller, and M. C. Wu, "Large-scale broadband digital silicon photonic switches with vertical adiabatic couplers", Optica, 2016

- T. J. Seok, N. Quack, S. Han, R. S. Muller, and M. C. Wu, "Highly scalable digital silicon photonic MEMS switches", Journal of Lightwave Technology, 2015

S. Han, T. J. Seok, N. Quack, B. W. Yoo, and M. C. Wu, "Large-scale silicon photonic switches with movable directional couplers", Optica, 2015

 Conference Publications

- J.H. Kim, D. U. Kim, M. G. Lim, Y. J. Park, D. J. Choi, M. S. Hong, K. Yu, S. Han*, “Reliability assessment of a fully packaged 1x12 silicon photonic MEMS multicast switch,” SPIE Photonics West, 2024. (invited talk).

- D. U. Kim, M. G. Lim, Y. J. Park, D. J. Choi, M. S. Hong, D. Kim, I.-W. Kim, H. Jung, Y.-S. Kim, H.-T. Lim, K. Yu, S. Han*, “Ultra-low power and high-performance tunable MZI on silicon photonics MEMS platform for quantum photonic applications,” SPIE Photonics West, 2024. (invited talk).

M. G. Lim, D. J. Choi, D. U. Kim, Y. J. Park, K.Yu, S. Han*, and K. W. Jeong, "The Manipulation of Four-Wave Mixing in a Fully Tunable MEMS Photonic Molecule", Frontiers in Optics + Laser Science, 2023

- D. U. Kim, M. G. Lim, D. J. Choi, Y. J. Park, M. J. Her, M. S. Hong, Y. J. Jeong, K. Yu*, and S. Han*, "High-Extinction Reconfigurable Mach-Zehnder Interferometer Based on Silicon Photonic MEMS", The European Conference on Lasers and Electro-Optics (CLEO/Europe), 2023

- M. G. Lim, Y. J. Jeong, D. U. Kim, Y. J. Park, M. J. Her, M. S. Hong, D. J. Choi, J. H. Kim, K.Yu**, and S. Han*, "Sub-Micron-Thick Electrostatic MEMS Platform for Power Efficient Silicon Photonic Circuits", 2023 IEEE 18th International Conference on Nano/Micro Engineered and Molecular Systems (NEMS), 2023

- D. J. Choi, S. W. Nam, M. G. Lim, Y. J. Park, M. J. Her, D. U. Kim, H. J Seong, S. Han*, and J. S. Yu*, "Optical Ultrasound Sensor Based on Silicon Photonic MEMS Cantilever with Tunable Dynamic Range", 2023 IEEE 18th International Conference on Nano/Micro Engineered and Molecular Systems (NEMS), 2023

- Y. J. Park, M. J. Her, D. U. Kim, D. J. Choi, M. G. Lim, M. S. Hong, and S. Han*, "Fully Tunable Fabry-Pérot Cavity based on Silicon Photonic MEMS with 10 nW Static Power Consumption", Conference on Lasers and Electro-Optics (CLEO), 2023

- M. S. Hong, D. U. Kim, M. G. Lim, D. J. Choi, M. J. Her, Y. J. Park, Y. J. Jeong, J. W. Park, S. J. Han, K.Yu*, and S. Han*, "Programmable MZI Based on Si Photonic MEMS Tunable Delay Line", Conference on Lasers and Electro-Optics Pacific Rim(CLEO-PR), 2022

- D. J. Choi, S. W. Nam, D. U. Kim, Y. J. Park, M. J. Her, M. G. Lim, M. S. Hong, H. J. Song, J. S. Yu*, and S. Han*, "Fully Tunable Sagnac Loop Reflector with 0.1 uW Static Power Silicon Photonic MEMS", Conference on Lasers and Electro-Optics (CLEO), 2022

- D. U. Kim, D. Y. Kim, Y. J. Jeong, D. J. Choi, Y. J. Park, M. J. Her, M. S. Hong, M. G. Lim, Y. H. Rah,  K.Yu* and S. Han*, "Ultra-Low-Power Unitary Matrix Multiplier Based on Silicon Photonic MEMS", Conference on Lasers and Electro-Optics (CLEO), 2022

- D. U. Kim, M. S. Hong, D. Y. Kim, Y. Park, A. Y. Takabayashi, Y. J. Jeong, J. W. Park, S. J. Han, N. Quack*, K.Yu*, and S. Han*, "8 × 8 Programmable Multi-Beam Pattern Projection Based on Multicast Silicon Photonic MEMS Switches", Optical Fiber Communication Conference and Exposition (OFC), 2021

- D. Y. Kim, Y. Park, D. U. Kim, M. S. Hong, A. Y. Takabayashi, Y. J. Jeong, J. W. Park, S. J. Han, N. Quack*, K.Yu* and S. Han*, "16-Core Recirculating Programmable Si Photonic MEMS", Conference on Lasers and Electro-Optics (CLEO), 2021

- Y. J. Park, D. U. Kim, D. Y. Kim, M. S. Hong, A. Y. Takabayashi, Y. J. Jeong, J. W. Park, S. J. Han, N. Quack*, K.Yu and S. Han*, "Fully Reconfigurable Coupled-Resonator Optical Waveguides (CROWs) with 10nW Static Power MEMS", Conference on Lasers and Electro-Optics (CLEO), 2021

- D. -Y. Choi, S. Han, J. Hwang, Y. -H. Lee, D. -G. Kim, I. H. Do, D. Jeong, and H. Lee, "Chalcogenide-silica hybrid planar platform for high performance nonlinear optic devices", OSA Laser Congress, 2019

S. Han, D. -G. Kim, J. Hwang, I. H. Do, D. Jeong, Y. -H. Lee, D. -Y. Choi, and H. Lee, "Brillouin lasers based on 11 million-Q on-chip chalcogenide resonators without direct etch process", International Conference on Optical MEMS and Nanophotonics (OMN), 2019

S. Han, D. -G. Kim, J. Hwang, I. H. Do, D. Jeong, Y. -H. Lee, D. -Y. Choi, and H. Lee, "On-chip stimulated Brillouin lasers based on chalcogenide glass resonators with 10 million Q-factor", Conference on Lasers and Electro-Optics (CLEO), 2019

- N. Quack, T. J. Seok, S. Han, H. Sattari, T. Graziosi, M. Kiss, R. S. Muller, and M. C. Wu, "Surface micromachined silicon photonic MEMS: a scalable technology platform for photonic network components", Photonic Networks and Devices, 2018

- T. Graziosi, H. Sattari, T. J. Seok, S. Han, M. C. Wu, and N. Quack, "Silicon photonic MEMS variable optical attenuator", Proceedings of SPIE: MOEMS and Miniaturized Systems XVII, 2018

- H. Sattari, T. Graziosi, M. Kiss, T. J. Seok, S. Han, M. C. Wu, and N. Quack, "Analog silicon photonic MEMS phase-shifter with double-step electrostatic actuation", International Conference on Optical MEMS and Nanophotonics (OMN), 2017

- T. J. Seok, S. Han, and M. C. Wu, "Large-scale silicon photonic switches with MEMS", IEEE Photonics Society Summer Topical Meeting Series (SUM), 2017

- M. C. Wu, T. J. Seok, and S. Han, "Silicon photonic switches for datacenters", Frontiers in Optics, 2016

- T. J. Seok, H. Y. Hwang, J. S. Lee, A. Forencich, H. R. Grant, D. Knutson, N. Quack, S. Han, R. S. Muller, L. Carroll, G. C. Papen, P. O'Brien, and M. C. Wu, "12× 12 packaged digital silicon photonic MEMS switches", IEEE Photonics Conference (IPC), 2016

S. Han, T. J. Seok, K. Yu, N. Quack, R. S. Muller, and M. C. Wu, "50x50 polarization-insensitive silicon photonic MEMS switches: design and experiment", European Conference on Optical Communication (ECOC), 2016

- J. Jacobs, T. Graziosi, M. Kiss, S. Han, T. J. Seok, M. C. Wu, and N. Quack, "Die level release of silicon photonic MEMS", International Conference on Optical MEMS and Nanophotonics (OMN), 2016

M. C. Wu, T. J. Seok, S. Han, and N. Quack, "MEMS-enabled scalable silicon photonic switches", Frontiers in Optics, 2015

- T. J. Seok, N. Quack, S. Han, W. Zhang, R. S. Muller, and M. C. Wu, "64× 64 low-loss and broadband digital silicon photonic MEMS switches", European Conference on Optical Communication (ECOC), 2015

- M. C. Wu, T. J. Seok, S. Han, and N. Quack, "Large-scale, MEMS-actauated silicon photonic switches", International Conference on Photonics in Switching (PS), 2015

- T. J. Seok, N. Quack, S. Han, W. Zhang, R. S. Muller, and M. C. Wu, "Reliability study of digital silicon photonic MEMS switches", International Conference on Group IV Photonics (GFP), 2015

- N. Quack, T. J. Seok, S. Han, W. Zhang, R. S. Muller, and M. C. Wu, "Row/column addressing of scalable silicon photonic MEMS switches", International Conference on Optical MEMS and Nanophotonics (OMN), 2015

S. Han, T. J. Seok, C. K. Kim, R. S. Muller, and M. C. Wu, "Multicast 4× 20 silicon photonic MEMS switches", Conference on Lasers and Electro-Optics (CLEO), 2015

- M. C. Wu, S. Han, T. J. Seok, and N. Quack, "Large-port-count MEMS silicon photonics switches", Optical Fiber Communications Conference and Exhibition (OFC), 2015

- T. J. Seok, N. Quack, S. Han, and M. C. Wu, "50× 50 digital silicon photonic switches with MEMS-actuated adiabatic couplers", Optical Fiber Communications Conference (OFC), 2015

M. C. Wu, S. Han, T. J. Seok, and N. Quack, "Monolithic large-scale optical switches using silicon photonic MEMS", OptoElectronics and Communication Conference (OECC), 2014

- N. Quack, J. Ferrara, S. Gambini, S. Han, C. Keraly, P. Qiao, Y. Rao, P. Sandborn, L. Zhu, S. -L. Chuang, E. Yablonovitch, B. Boser, C. Chang-Hasnain, and M. C. Wu, "Development of an FMCW LADAR source chip using MEMS-electronic-photonic heterogeneous integration", GOMACTech Conference, 2014

S. Han, T. J. Seok, N. Quack, B. -W. Yoo, and M. C. Wu, "Monolithic 50× 50 MEMS silicon photonic switches with microsecond response time", Optical Fiber Communications Conference (OFC), 2014

 

 Patents

- M. C. Wu, S. Han, T. J. Seok, N. Quack, B. -W. Yoo, “Silicon-photonics-based optical switch,” US patent, 2018, US10061085B2

- T. J. Seok, S. Han, M. C. Wu, “Silicon-photonics-based optical switch with low polarization sensitivity”, US patent, 2019, US20190253775A1

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