Home Faculty Electronics Group Wan-Shao Tsai Associate Professor
Wan-Shao TsaiAssociate Professor - Electronics Group
Tel
+886-4-22840138 ext. 840
E-Mail
Lab
Nanophotonics Lab. (Bldg. AST Rm.840)
Education
Ph.D. in Electronics Engineering, National Taiwan University
Experiences
Associate Professor, Department of Electrical Engineering & Graduate Institute of Optoelectronic Engineering, National Chung Hsing University, Taichung, Taiwan (2019/02~present)
Associate Professor, Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, Nantou, Taiwan (2015/02~2019/01)
Assistant Professor, Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, Nantou, Taiwan (2008/08~2015/01)
Visiting Scholar, Institute of Semiconductor Electronics, RWTH Aachen University, Aachen, Germany (2007/09~2008/07)
Associate Professor, Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, Nantou, Taiwan (2015/02~2019/01)
Assistant Professor, Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, Nantou, Taiwan (2008/08~2015/01)
Visiting Scholar, Institute of Semiconductor Electronics, RWTH Aachen University, Aachen, Germany (2007/09~2008/07)
Research Areas
1. Optical Waveguides
2. Device Fabrication
3. Optical Measurement
4. Numerical Analysis
2. Device Fabrication
3. Optical Measurement
4. Numerical Analysis
Academic Service
SCI Journal Reviewer
-IEEE Journal of Selected Topics in Quantum Electronics
-IEEE Photonics Technology Letters
-IEEE Photonics Journal
-Journal of Lightwave Technology
-Optics Express
-Optics Letters
-Applied Optics
-Optical Materials Express
-ACS Photonics
-Ceramics International
-OSA Continuum
-Optics Communications
-Journal of Modern Optics
-PIER & JEMWA
Conference Committee and Presider
-Optics & Photonics Taiwan International Conference (OPTIC) 2012-2014, 2017, 2019, 2020
-International Electron Devices and Materials Symposium (IEDMS)2013
-Asia-Pacific Radio Science Conference 2013(AP-RASC'13)
-IEEE Journal of Selected Topics in Quantum Electronics
-IEEE Photonics Technology Letters
-IEEE Photonics Journal
-Journal of Lightwave Technology
-Optics Express
-Optics Letters
-Applied Optics
-Optical Materials Express
-ACS Photonics
-Ceramics International
-OSA Continuum
-Optics Communications
-Journal of Modern Optics
-PIER & JEMWA
Conference Committee and Presider
-Optics & Photonics Taiwan International Conference (OPTIC) 2012-2014, 2017, 2019, 2020
-International Electron Devices and Materials Symposium (IEDMS)2013
-Asia-Pacific Radio Science Conference 2013(AP-RASC'13)
Awards
IEEE Senior Member (2021)
OSA Senior Member (2021)
Excellent Mentor Award, College of EECS, NCHU, Taiwan. (2021)
Excellent Teaching Award, NCNU, Taiwan. (2017)
Excellent Mentor Award, NCNU, Taiwan. (2014)
Phi Tau Phi Scholastic Honor (2008)
OSA Senior Member (2021)
Excellent Mentor Award, College of EECS, NCHU, Taiwan. (2021)
Excellent Teaching Award, NCNU, Taiwan. (2017)
Excellent Mentor Award, NCNU, Taiwan. (2014)
Phi Tau Phi Scholastic Honor (2008)
Selected Publications
● Journal Paper
1.
W.-H. Yong, L. Shen, Y.-C. Hou, C.-H. Lai, and W.-S. Tsai*, “High-throughput imaging and spectral analysis of gold nanoparticles through waveguide excitation,” IEEE Sensors Journal, vol. 22, no. 22, pp. 21642-21650, 11 2022. (SCI)
2.
C.-W. Kuo, S.-H. Wang, S.-C. Lo, W.-H. Yong, Y.-L. Ho, J.-J. Delaunay, W.-S. Tsai, and P.-K. Wei*, “Sensitive oligonucleotide detection using resonant coupling between Fano resonance and image dipoles of gold nanoparticles,” ACS Applied Materials & Interfaces, vol. 12, no. 14, pp. 14012–14024, 03 2022. (SCI)
3.
W.-S. Tsai*, L. Shen, Y.-C. Hou, and T.-S. Lay, “Polarization-controlled single-particle scattering imaging spectroscopy using waveguide excitation,” Optics Express, vol. 4, no. 30, pp. 4875-4885, 02 2022. (SCI)
4.
S. Donati* and W.-S. Tsai, “Transforming a green laser pointer in a selfmixing interferometer capable of sub-μm vibration sensing,” Applied Optics, vol. 21, no. 60, pp. 6251-6254, 07 2021. (SCI)
5.
D. H. Nguyen, J.-Y. Sun, C.-Y. Lo, J.-M. Liu, W.-S. Tsai, M.-H. Li, S.-J. Yang, C.-C. Lin, S.-D. Tzeng, Y.-R. Ma, M.-Y. Lin, and C.-C. Lai*, “Ultralow-threshold continuous-wave room-temperature crystal-fiber/nanoperovskite hybrid lasers for all-optical photonic integration,” Advanced Materials, vol. 12, no. 33, pp. 2006819, 02 2021. (SCI)
6.
Y.-P. Chen, C.-C. Lai, and W.-S. Tsai*, “Full-color based on bismuth core-shell nanoparticles in one-step fabrication,” Optics Express, vol. 17, no. 18, pp. 24511-24525, 08 2020. (SCI)
7.
S.-C. Lo, E.-H. Lin, K.-L. Lee, T.-T. Liang, J.-C. Liu, P.-K. Wei, and W.-S. Tsai*, “A concave blazed-grating based smartphone spectrometer for multichannel sensing,” IEEE Sensors Journal, vol. 23, no. 19, pp. 11134-11141, 12 2019. (SCI)
8.
S.-T. Huang, C.-C. Lai, F.-W. Sheu, and W.-S. Tsai*, “Characterization of long-range plasmonic waveguides at visible to near-infrared regime,” AIP Advances, no. 7, pp. 125221, 12 2017. (SCI)
9.
C.-W. Hsu, C.-F. Huang, W.-S. Tsai, and W.-S. Wang*, “Lithium niobate polarization independent modulator using integrated polarization splitters and mode converters,” Journal of Lightwave Technology, vol. 9, no. 35, pp. 1663-1669, 05 2017. (SCI)
10.
E.-H. Lin, W.-S. Tsai, K.-L. Lee, M.-C. M. Lee, and P.-K. Wei*, “Enhancing angular sensitivity of plasmonic nanostructures using mode transition in hexagonal gold nanohole arrays,” Sensors and Actuators B: Chemical, no. 241, pp. 800-805, 03 2017. (SCI)
11.
S.-C. Lo, E.-H. Lin, P.-K. Wei, and W.-S. Tsai*, “A compact imaging spectroscopic system for biomolecular detections on plasmonic chips,” Analyst, no. 141, pp. 6126-6132, 11 2016. (SCI)
12.
C.-C. Lai*, C.-Y. Lo, T.-H. Hsieh, W.-S. Tsai, D. H. Nguyen, and Y.-R. Ma, “Ligand-driven and full-color-tunable fiber source: toward next-generation clinic fiber-endoscope tomography with cellular resolution,” ACS Omega, no. 1, pp. 552-565, 10 2016. (SCI)
13.
C.-C. Lai*, C.-Y. Lo, D. H. Nguyen, J.-Z. Huang, W.-S. Tsai, and Y.-R. Ma, “Atomically smooth hybrid crystalline-core glass-clad fibers for low-loss broadband wave guiding,” Optics Express, vol. 18, no. 24, pp. 20089-20106, 09 2016. (SCI)
14.
W.-S. Tsai*, T.-Y. Chiang, L.-Y. Liu, P.-C. Chang, and Y.-K. Su, “Time and temperature dependent study of Zn and Ni codiffused LiNbO3 waveguides,” Journal of Lightwave Technology, vol. 23, no. 33, pp. 4950-4956, 12 2015. (SCI)
15.
M.-Y. Pan, K.-L. Lee, W.-S. Tsai, L. Wang, and P.-K. Wei*, “Determination of the effective index and thickness of biomolecular layer by Fano resonances in gold nanogrid array,” Optics Express, vol. 17, no. 23, pp. 21596-21606, 08 2015. (SCI)
16.
C.-F. Huang, C.-H. Kang, H.-L. Chen, W.-S. Tsai, and W.-S. Wang*, “Lithium niobate polarization splitter fabricated by using one-step diffusion,” IEEE Photonics Technology Letters, vol. 10, no. 27, pp. 1037-1039, 05 2015. (SCI)
17.
W.-S. Tsai*, B.-J. Huang, and F.-W. Sheu, “Improvement of refractive index profiling of a small-core single-mode fiber under partially coherent light excitation,” Optics Communications, no. 336, pp. 88-92, 02 2015. (SCI)
18.
W.-S. Tsai*, Y.-H. Liu, O. Barkman, V. Prajzler, S. Stanek, and P. Nekvindova, “Burying of channel optical waveguides: relation between near-field measurement and Ag concentration profile,” Proceedings of SPIE 9450, Photonics, Devices, and Systems VI, vol. 945015, no. 9450, 01 2015. (EI)
19.
E.-H. Lin, W.-S. Tsai, K.-L. Lee, M.-C. M. Lee, and P.-K. Wei*, “Enhancing detection sensitivity of metallic anostructures by resonant coupling mode and spectral integration analysis,” Optics Express, vol. 16, no. 22, pp. 19621-19632, 08 2014. (SCI)
20.
W.-S. Tsai, C.-K. Chang, F.-W. Sheu*, Y.-H. Wang, and S.-H. Chen, “Refractive index profiling of a few-mode fiber from fundamental mode excitation,” Optics Communications, no. 323, pp. 138-142, 07 2014. (SCI)
21.
W.-S. Tsai*, K.-L. Lee, M.-Y. Pan, and P.-K. Wei, “Increased detection sensitivity of surface plasmon sensors using oblique induced resonant coupling,” Optics Letters, vol. 23, no. 38, pp. 4962-4965, 12 2013. (SCI)
22.
W.-S. Tsai* and P.-K. Wei, “Refractive index profiling of metal-diffused planar waveguides using a differential near-field optical microscopy,” PIERS 2013 in Taipei Proceedings, vol. 183-186, 03 2013. (EI)
23.
W.-S. Tsai, S.-Y. Ting and P.-K. Wei*, “Refractive index profiling of an optical waveguide from the determination of the effective index with measured differential fields,” Optics Express, vol. 24, no. 20, pp. 26766-26777, 01 2012. (SCI)
24.
W.-S. Tsai, S.-C. Piao and P.-K. Wei*, “Refractive index measurement of optical waveguides using modified end-fire coupling method,” Optics Letters, vol. 11, no. 36, pp. 2008-2010, 06 2011. (SCI)
25.
T. Wahlbrink*, W.-S. Tsai, M. Waldow, M. Forst, J. Bolten, T. Mollenhauer and H. Kurz, “Fabrication of high efficiency SOI taper structures,” Microelectronics Engineering, no. 86, pp. 1117-1119, 05 2009. (SCI)
26.
W.-S. Tsai, L.-Y. Chen, and W.-S. Wang*, “Study of the fabrication of BCB waveguide devices by ultraviolet pulsed-laser illumination,” IEEE Photonics Technology Letters, vol. 2, no. 20, pp. 84-86, 01 2008. (SCI)
27.
W.-S. Tsai, W.-S. Wang, and P.-K. Wei*, “Two-dimensional refractive index profiling by using differential near-field scanning optical microscopy,” Applied Physics Letters, no. 91, pp. 061123, 08 2007. (SCI)
28.
L.-Y. Chen, W.-S. Tsai, W.-H. Hsu, and W.-S. Wang*, “Fabrication and characterization of benzocyclobutene optical waveguides by UV pulsed-laser illumination,” IEEE Journal of Quantum Electronics, vol. 3, no. 43, pp. 303-310, 03 2007. (SCI)
● Patent
1.
韓斌、鄭木海、裴靜偉、蔡宛卲、蔡政穆、劉浚年, “同軸光路的光學雷達,” 中華民國專利：證書號 I744209, 10 2021.