Electrical and Computer
Engineering Department
People
<< Return to list. Log in to edit My Profile
Alex (Ya Sha) Yi, Ph.D.
Associate Professor

Phone 583-6318
Email University of Michigan - Dearborn
Dearborn, Michigan 48128
[ Visit Homepage ]
Education
  • Massachusetts Institute of Technology, Cambridge, MA. Ph. D. June 2004 Electronics and Optoelectronics
  • Peking University, Beijing M. Sc Applied Physics
  • Nanjing University, Nanjing B. Sc Applied Physics
Areas of Research Interests
  • Integrated nano electronic and photonic materials and devices, photovoltaics & power related materials and devices, solar cells, light emitting diodes (LEDs), lasers, semiconducting materials and devices, high performance computation and large scale simulation, photonic crystals, plasmonics, optoelectronic sensor, biomedical imaging, display, integrated nanoelectronics/MEMS and renewable energy
Selected Publications
  1. Y. Yi, Editor-in-chief, ˜Integrated nanophotonic resonators: fundamentals, devices and applications' Pan Stanford Publishing, Pte. Ltd. Singapore, to appear (2014)
  2. Jianwei Mu and Y. Yi, 'Coupled mode theory and its applications on computational nanophotonics' Book chapter in Computational Nanophotonics: Modeling and Applications, CRC Press, to appear (2013)
  3. Lionel C. Kimerling, Luca Dal Negro, Sajan Saini, Y. Yi, et al, ˜Monolithic Silicon Microphotonics', Book Chapter in Silicon Photonics (Springer-Verlag edition, Chapter 3) (2003)
  4. Z. Zhu, B. Liu, C. Cheng, Y. Yi, H. Chen and Mu Gu, 'Improved light extraction efficiency of bio medical imaging cerium-doped lutetium-yttrium oxyorthosilicate scintillator by monolayers of periodic arrays of polystyrene spheres' Appl. Phys. Lett., 102, 071909 (2013)
  5. F. Tong, Z. Zhu, B. Liu, Y. Yi, M. Gu, and H. Chen, 'Luminescene of CuI scintillator controlled by distributed Bragg reflectro for biomedical imaging applications' Nuc. Instruments and Methods in Physics Research A, Accepted (2013)
  6. F. Tong, Z. Zhu, B. Liu, Y. Yi, M. Gu, and H. Chen, 'Enhanced luminescence of CuI thin film scimtillator by reducing Fresnel reflection'Chin. Phys. Lett., Accepted (2013)
  7. P. Pignalosa, B. Liu, W. Guo, H. Chen, X. Duan and Y. Yi, 'Bio-mimetic integrated surface nano structures for medical imaging scintillation materials' Cambridge Journals: Proc. of Mat. Res. Soc., Accepted (2013)
  8. P. Pignalosa, H. Lee, W. Guo, X. Duan and Y. Yi, 'Silicon based graded refractive index nanowires for broadband and wide angle antireflection' Cambridge Journals: Proc. of Mat. Res. Soc., Accepted (2013)
  9. P. Pignalosa, B. Liu, H. Chen and Y. Yi, 'Giant light extraction enhancement of medical imaging scintillation materials using bio inspired integrated nano structures' Optics Letters, 37, 2808 (2012)
  10. H. Jiang, X. Xu, Z. Wang, Y. Li, Y. Yi, and H. Chen, 'Position-independent normal-mode splitting in cavities filled with zero-index materials' Optics Express, 20, 6348 (2012)
  11. M. Ostrowski, P. Pignalosa and Y. Yi, 'Strong multimode photonic microresonator and nanoparticle interactions' Cambridge Journals: Proc. of Mat. Res. Soc., 1392, DOI:10.1557/opl.2012.505 (2012)
  12. M. Ostrowski, P. Pignalosa and Y. Yi, 'Higher order optical resonance node detection of integrated disk micro resonator' Optics Letters, 36, 3042 (2011)
  13. P. Pignalosa, H. Lee, L. Qiao, and Y. Yi, 'Graded index and randomly oriented core-shell silicon nanowires with broadband and wide angle antireflection for next generation photovoltaic cell applications', AIP Advances, 1, 032124 (2011)
  14. L. Deych, M. Ostrowski and Y. Yi, 'Defect-induced whispering-Gallery-Mode resonances in optical micro-disk resonators' Optics Letters, 36, 3154 (2011)
  15. S. Wang and Y. Yi, 'Single nanoparticle detection using on-chip notched ring resonator' Cambridge Journals: Proc. of Mat. Res. Soc., 1316, DOI:10.1557/opl.2011.324 (2011)
  16. Z. Zhou, J. Zhou, X. Sun, T. Cheng, S. Wang and Y. Yi, 'Comprehensive light trapping study of next generation thin film solar cells' Cambridge Journals:Proc. of Mat. Res. Soc., 1303, DOI:10.1557/opl.2011.341 (2011)
  17. S. Wang, K. Broderick, H. Smith, and Y. Yi, ˜Strong coupling between on chip notched ring resonator and nanoparticle' Appl. Phys. Lett., 97, 051102 (2010), also selected for Virtual Journal of nanoscale Science & Technology, 22, August 16, (2010)
  18. Ali Haddadpour and Y. Yi, ˜Metallic nanoparticle on micro ring resonator for bio optical detection and sensing' Biomedical Optics Express, 1, 378 (2010)
  19. Barry Koch, Larry Carson, Chunmei Guo, Chiying Lee, Y. Yi, Junying Zhang, Melvin Zin, Stephen Znameroski and Terry Smith, ˜Hurricane: A simplified optical resonator for optical-power-based sensing with nano-particle taggants' Jou. Sensors and Actuators B, 147, 573 Online April,10th (2010)
  20. Y. Yi, B. J. Koch, J. Zhang, T. Smith and S. Znameroski, ˜Optical micro-resonator sensors using nano-particle-induced reflections' Appl. Phys. Lett., 95, 201111 (2009)
  21. L. Zeng, P. Bermel, Y. Yi, B. Alamariu, K. Broderick, J. Liu, C. Hong, X. Duan, J. Joannopoulos and L. Kimerling, ˜High efficiency thin film Si solar cells with textured photonic crystal back reflector,' Appl. Phys. Lett., 93, 221105 (2008)
  22. Lirong Zeng, Peter Bermel, Y. Yi, B. A. Alamariu, ˜Optimization of Photonics Backreflector for Thin Film Solar Cells,' Proceedings of Material Research Society, 974, CC02-06 (2007)
  23. Y. Yi, Shoji Akiyama, Peter Bermel, and Xiaoman Duan, ˜Sharp bending of on-chip Bragg cladding waveguide with light guiding in low index core materials,' IEEE Journal of Selected Topics in Quantum Electronics, 12, 1345 (2006)
  24. Lirong Zeng, Y. Yi, Ching-Yin Hong, J. Liu, N. Feng, Xiaoman Duan, L. C. Kimerling and B. A. Alamariu, ˜Efficiency enhancement in Si solar cells by textured photonic crystal back reflector,' Appl. Phys. Lett., 89, 111111 (2006)
  25. Xunya Jiang, Yonggang Zhang, Songlin Feng, K. Huang, Y. Yi, and J. Joannopoulos, ˜Photonic band gaps and localization in the Thue-Morse structures,' Appl. Phys. Lett., 86, 201110 (2005)
  26. Lirong Zeng, Y. Yi, Ching-Yin Hong, Xiaoman Duan and L. C. Kimerling, ˜New light trapping in thin film solar cells using textured photonic crystals', Proceedings of Material Research Society, 862, A12.3.1 (2005)
  27. L. Dal Negro, J.H. Yi, V. Nguyen, Y. Yi, J. Michel and L.C. Kimerling, 'Spectrally enhanced light emission from aperiodic photonic structures', Appl. Phys. Lett., 86, 261905 (2005)
  28. L. Dal Negro, J.H. Yi, V. Nguyen, Y. Yi, J. Michel and L.C. Kimerling, ˜Light emission in Aperiodic Thue-Morse Dielectrics˜, Proceedings of Material Research Society, 832, F1.3 (2005)
  29. Y. Yi, Jessica G. Sandland, Shoji Akiyama, Xiaoman Duan, and L. C. Kimerling, ˜Prism Coupling to On-Chip Silicon Based Bragg Cladding Waveguides', Appl. Phys. Lett., 85, 3381 (2004). Also highlighted in Photonics Spectra, November 2004 issue.
  30. Y. Yi, Shoji Akiyama, Peter Bermel, Xiaoman Duan, and L. C. Kimerling, ˜On-Chip Si-based Waveguide with One-Dimensional Photonic Crystal Cladding' Optics Express, 12, 4775 (2004). Also highlighted in Photonics Spectra, November 2004 issue.
  31. Luca Dal Negro, Y. Yi, Michael Stolfi, John, LeBlanc, Jack Haavisto, Jurgen Michel, and Lionel C. Kimerling, ˜Photonic Band Gap Properties and Omnidirectional Reflectance in Si/SiO2 Thue-Morse Quasicrystals', Appl. Phys. Lett., 84, 5186 (2004)
  32. Y. Yi, Peter Bermel, Shoji Akiyama, Jessica G. Sandland, Xiaoman Duan, and L. C. Kimerling, ˜Low Loss Photonic Crystal Cladding Waveguide with Large Photonic band Gap', Proceedings of Material Research Society, 797, W3.4 (2004)
  33. Y. Yi, Shoji Akiyama, Xiaoman Duan, and L. C. Kimerling, ˜Development of New Silicon Waveguide: Photonic Crystal Cladded Waveguide' Proceedings of IEEE Group IV Photonics Conference, FC5 (2004)
  34. Luca Dal Negro, Y. Yi, Michael Stolfi, John, LeBlanc, Jack Haavisto, Jurgen Michel, and Lionel C. Kimerling, ˜Omnidirectional Reflectance and Photonic Band Gap Properties in Si/SiO2 Thue-Morse Quasicrystals', Proceedings of Material Research Society, 817, L2.5 (2004)
  35. Y. Yi, Peter Bermel, Kazumi Wada, Xiaoman Duan, John. D. Joannopoulos, and Lionel. C. Kimerling, ˜Tunable multichannel optical filter based on silicon photonic band gap materials actuation', Appl. Phys. Lett., 81, 4112 (2002)
  36. Y. Yi, Peter Bermel, Kazumi Wada, Xiaoman Duan, John. D. Joannopoulos, and Lionel. C. Kimerling, ˜Tunable multichannel optical filter based on silicon photonic band gap materials actuation' Invited Paper in Virtual Journal of Nanoscale Science & Technology, 2nd December, 6 (2002)
  37. Y. Yi, Peter Bermel, Kazumi Wada, Xiaoman Duan, John. D. Joannopoulos, and Lionel. C. Kimerling, ˜Low Voltage Tunable One Dimensional Photonic Crystal With Large Air Defects', Proceedings of Material Research Society, 722, L3.3 (2002)
  38. Chuilin Wang, Y. Yi, Lin Tian and Zhaobin Su, ˜Symmetries of Jahn-Teller States in Charged Fullerenes', NATO Science Series, 39, 251(2001)
  39. R. J. McQueeney, A. R. Bishop, Y. Yi and Z. G. Yu, ˜Charge Localization and Phonon Spectra in Hole-Doped La2NiO4', J. Phys.:Condens. Matter, 12, L317 (2000)
  40. Y. Yi, A. R. Bishop and H. Roder, ˜Spin-Peierls ground states in an electron-lattice periodic Anderson model', J. Phys.: Condens. Matter 11, 3547(1999)
  41. Y. Yi and A. R. Bishop, ˜Aharonov-Anandan Effect Induced by Spin-Orbit Interaction and Charge Density Waves in Mesoscopic Rings', Phys. Rev. B, 58, 4077(1998)
  42. Y. Yi, Zhigang Yu, A. R. Bishop, and J. Tinka Gammel, ˜Signatures of Stripe Phases in Hole Doped La2NiO4', Phys. Rev. B, 58, 503(1998)
  43. Y. Yi, Tiezheng Qian, and Zhaobin Su, ˜Spin Precession and Time Reversal Symmetry Breaking in Quantum Transport of Electrons Through Mesoscopic Rings', Phys. Rev .B, 55, 10631(1997)
  44. Tiezheng Qian, Y. Yi and Zhaobin Su, ˜Persistent Currents from the Competition Between Zeeman Coupling and Spin Orbit Interaction', Phys. Rev. B 55, 4065(1997)
  45. Y. Yi, Lin Tian, Chuilin Wang, Zhaobin Su and Lu Yu, 'Self-consistent Treatment for Dynamical Jahn-Teller effect in C 60:Comparison with C-60, Physica C, 282, 1927(1997)
  46. Dadong Yan, Y. Yi, Zhaobin Su, and Lu Yu, ˜Theory of Negative Magnetoresistence in the caxis Resistivity of High Tc Cuprates', Physica C, 282, 1647(1997).
  47. Lin Tian, Y. Yi, Chuilin Wang, and Zhaobin Su, 'Jahn-Teller effect in C70', Int. Jou. of Mod. Phys. B, 11, 1969(1997)