CHANG-HUA LIU


chliu@ee.nthu.edu.tw


EDUCATION


University of Michigan, Ann Arbor 2008-2014

EXPERIENCE


Assistant Professor at the Department of Electrical Engineering,

2017/08-present

National Tsing Hua University


Postdoc at the Department of Physics, University of Washington

2015/09-2017/07

(Prof. Xiaodong Xu’s & Arka Majumdar’s research group)


Research Topic: Photonic Light Emitters based on 2D Materials


Postdoc at the Department of Materials Science and Engineering,

Northwestern University

(Prof. Lincoln Lauhon’s research group)

2014/02-2015/08

Research Topic: Strong-coupling Optomechanics based on 2D Materials


Research Assistant at the Department of Electrical Engineering,

University of Michigan

(Prof. Zhaohui Zhong’s research group)

2008/09-2014/01

Ph.D. Thesis: Characterization of Nanoscale Junctions in Carbon Nanotubes and Graphene for Novel Device Applications

Research Assistant at Institution of Occupational Safety and Health, Taiwan 2008/01-2008/06

(Dr. Yu-Lin Shen’s research group)

Research Topic: Fiber-Optic Distributed Sensing by Brillouin Optical Correlation Domain Analysis


PUBLICATIONS


After joining NTHU

  1. Tian-Yun Chang, Yueyang Chen, De-In Luo, Jia-Xin Li, Po-Liang Chen, Seokhyeong Lee, Zhuoran Fang, Wei-Qing Li, Ya-Yun Zhang, Mo Li, Arka Majumdar*, Chang-Hua Liu*, “Black Phosphorus Mid-Infrared Light-Emitting Diodes Integrated with Silicon Photonic Waveguides”, Nano Letters 20, 6824-6830 (2020).

  2. Tian-Yun Chang, Po-Liang Chen, Jhih-Heng Yan, Wei-Qing Li, Ya-Yun Zhang, De-In Luo, Jia-Xin

    Li, Kun-Ping Huang, Chang-Hua Liu*, “Ultra-Broadband, High Speed, and High-Quantum- Efficiency Photodetectors Based on Black Phosphorus”, ACS Applied Materials & Interfaces 12, 1201-1209 (2020).

  3. Chang-Hua Liu*, J. Zheng, S. Colburn, T. Fryett, Y. Chen, X. Xu and A. Majumdar, “Van der Waals materials integrated nanophotonic devices.” Optical Materials Express 9, 384 (2019). (Invited review article)

  4. F Hu, Y Luan, Jacob Speltz, D Zhong, C.-H. Liu, J Yan, DG Mandrus, X Xu, Zhe Fei, “Imaging propagative exciton polaritons in atomically thin WSe2 waveguides.” Physical Review B 100, 121301 (2019).

  5. T. Fryett, K. Seyler, J. Zheng, Chang-Hua Liu, X. Xu and A. Majumdar, “Silicon photonic crystal cavity enhanced second-harmonic generation from monolayer WSe2.” 2D Materials 4, 015031 (2017).

  6. Chang-Hua Liu*, J. Zheng, S. Colburn, T. Fryett, Y. Chen, X. Xu and A. Majumdar, “Ultrathin van der Waals metalenses.” Nano Letters 18, 6961 (2018). (Highlighted by Ceramics.org, Futurity.org, knowridge.com, Optics.org, Asianscientist.com, Techexplorist.com, Phys.org, Science Daily, PhotonicsViews.com, Newsbeezer)

    Prior to joining NTHU

  7. Chang-Hua Liu, G. Clark, T. Fryett, S. Wu, J. Zheng, F. Hatami, X. Xu and A. Majumdar, “Nanocavity integrated van der Waals heterostructure light emitting tunneling diode.” Nano Letters 17, 200 (2016). (Highlighted by PhysOrg, AzoNano, EurekAlert, Ecnmag, Nanowerk)

  8. J. Hu, Chang-Hua Liu, X. Ren, L. Lauhon, T. Odom, “Plasmonic lattice lenses for multi-wavelength achromatic focusing.” ACS Nano 10, 10275 (2016).

  9. Y. C. Chang, C. H. Liu, Chang-Hua Liu, S. Zhang, S. Marder, E. Narimanov, Z. Zhong and T. B. Norris, “Realization of mid-infrared graphene hyperbolic metamaterials.” Nature communications 7, 10568 (2016).

  10. Chang-Hua Liu, I. S. Kim, S. Park, K. Yoon, S. Howell and L. Lauhon, “Optical control of mechanical mode-coupling within a MoS2 resonator in the strong-coupling regime.” Nano Letters 15, 6727 (2015).

  11. Chang-Hua Liu, Y. C. Chang, Y. Zhang, T. Norris and Z. Zhong, “Ultrafast lateral photo-Dember effect in graphene induced by nonequilibrium hot carrier dynamics.” Nano Letters 15, 4234 (2015).

  12. Chang-Hua Liu, Y. C. Chang, T. B. Norris and Z. Zhong, “Room temperature ultra-broadband and high responsivity graphene photodetectors.” Nature Nanotechnology 9, 273 (2014). (Highlighted by CBS News, Science Daily, World News, Discovery News, Photonics Online, PhysOrg, NextBigFuture, e!Science News , Wired UK, Huffington Post:, Mashable, NewStatesman, gizmag)

  13. Chang-Hua Liu, N. M. Dissanayake, S. Lee, K. Lee and Z. Zhong, “Evidence for extraction of photoexcited hot carriers from graphene.” ACS Nano 6, 7172 (2012).

  14. S. Lee, K. Lee, Chang-Hua Liu and Z. Zhong, “Homogeneous bilayer graphene film based flexible transparent conductor.” Nanoscale 4, 639 (2012).

  15. Chang-Hua Liu, C.-C. Wu and Z. Zhong, “A fully tunable single-walled carbon nanotube diode.”

    Nano Letters 11, 1782 (2011).

  16. C.-C. Wu, Chang-Hua Liu and Z. Zhong, “One-step direct transfer of pristine single-walled carbon nanotubes for functional electronics.” Nano Letters 10, 1032 (2010).

  17. Y. Jung, M. N. Slipchenko, Chang-Hua Liu, A. E. Ribbe, Z. Zhong, C. Yang, and J.-X. Cheng, “Fast detection of the metallic state of individual single-walled carbon nanotubes using a transient- absorption optical microscope.” Physical Review Letters 105, 217401 (2010).

  18. C.-C. Cheng, C. A. Chang, Chang-Hua Liu and J. A. Yeh, “A tunable liquid-crystal microlens with hybrid alignment.” Journal of Optics A: Pure and Applied Optics 8, 365 (2006).

SELECTED PRESENTATIONS

  1. Chang-Hua Liu, “Black phosphorus optoelectronics for mid-infrared silicon photonics.” SPIE Photonics West, Digital Forum (2021). (Invited)

  2. Chang-Hua Liu, “Optoelectronics and nanophotonics based on van der Waals materials.” SPIE Optics + Photonics, Digital Forum (2020). (Invited)

  3. Chang-Hua Liu, “Optoelectronics and nanophotonics based on van der Waals materials.” SPIE Photonics West, San Francisco (2020). (Invited)

  4. Chang-Hua Liu, “Developing ultrathin light emitters and metalenses based on van der Waals materials.” SPIE Photonics West, San Francisco (2019). (Invited)

  5. Chang-Hua Liu, “Developing ultrathin light emitters and metalenses based on van der Waals materials.” Recent Progress in Graphene and 2D Materials Research Conference, Guilin (2018). (Invited)

  6. Chang-Hua Liu, “Novel Optoelectronic Properties and Devices Based on cavity-integrated 2D materials.” The 12th Cross-strait Symposium on Optoelectronics, Hong Kong (2018). (Invited)

  7. Chang-Hua Liu, “Optoelectronic devices based on cavity-integrated 2D materials.” CLEO-PR, Singapore (2017). (Invited)

PATENTS

“Photodetector Based on Double Layer Heterostructures.” (US patent number: US 9680038)

“Mid-infrared Light Emitting Diode and Manufacturing Method Thereof, Silicon Photonic Circuit and Manufacturing Method Thereof.” (US patent application number: US 17/129,932, Taiwan patent application number: TW 109138125)

ADDITIONAL EXPERIENCE

Military Service, Taiwan 2007/01-2007/12

Academic Service: serving as a reviewer for Physical Review Letters, Nano Letters, Advanced Materials, Advanced Optical Materials, Optics Express, ACS Applied Electronic Materials, Applied Physics Letters, Journal of Applied Physics, IEEE Transactions on Nanotechnology, Journal of Nanophotonics, Nanophotonics, Journal of Physical Chemistry