Peer-reviewed Journal Publications

1. J. Bai, G. Sileshi, S. Burns, G. Nordehn, L. Wittmers, "Development of laser-based heart sound detection system," Journal of Biomedical Science and Engineering, vol. 5, no. 1, pp. 34-37, January 2012.
2. J. Bai, “Phase Instability and Amplitude Instability of Quantum-Cascade Lasers with Fabry-Perot Cavity”, IEEE Transactions on Nanotechnology, vol. 11, no. 2, pp. 292-297, March 2012. (Published online in October 2011).
3. J. Bai, “Effect of self-phase modulation on the instabilities of quantum-cascade lasers”, Journal of Nanophotonics, vol. 4, 043519, 2010.
4. J. Bai and S. Butt, “Finite Difference Analysis of Confined States in Quantum-Dot System with an Efficient Mesh Strategy”, Journal of Computational and Theoretical Nanoscience, vol. 7, no. 10, pp. 1955-1958, 2010.
5. J. Bai, "A Generalized Modeling Strategy of Quantum-Cascade Structures with Resonance-Enhanced Harmonic Oscillations", Physica E, vol. 41, no. 5, pp. 843-847, March, 2009
6. J. Bai and D. S. Citrin, "Intracavity Nonlinearities in Quantum-Cascade Lasers", Applied Physics Reviews-Focused Review, Journal of Applied Physics, vol. 106, no. 3, 031101, Aug. 2009. (Appear as the cover article of the issue, http://link.aip.org/link/?JAP/106/3/htmltoc)
7. J. Bai and D. S. Citrin, "Enhancement of Optical Kerr Effect in Quantum-Cascade Lasers with Multiple Resonance Levels", Optics Express, vol.17, no. 16,pp. 12599-12606, August, 2008. (Listed to the top 10 articles published on quantum-cascade lasers since 2008 by BioMedLib)
8. J. Bai and D. S. Citrin, “Design of Nonlinearity-Enhanced Quantum Cascade Lasers”, Optical and Quantum Electronics, vol. 40, no. 2-4, pp. 191-195, March, 2008.
9. J. Bai and D. S. Citrin, “Optical and Transport Characteristics of Quantum Cascade Lasers with Optimized Second Harmonic Generation”, IEEE Journal of Quantum Electronics, vol. 43, no. 5, 2007.
10. J. Bai and D. S. Citrin, “Supersymmetric Optimization of Second-Harmonic Generation in Mid-Infrared Quantum Cascade Lasers,” Optics Express, vol. 14, no. 9, pp. 4043-4048, March, 2006.
11. Z. M. Xiao and J. Bai, “Numerical simulation on a coated piezoelectric sensor interacting with a crack,” Finite Elements in Analysis and Design, 38: 691-706, 2002.
12. Z. M. Xiao, J. Bai, and R. Maeda, “Electro-static stress analysis on piezoelectric inhomogeneity-crack interaction,” International Journal of Solids and Structure, 38: 1369-1394, 2001.
13. Z. M. Xiao and J. Bai, “On piezoelectric inhomogeneity related problem - part I: a close-form solution for the stress field outside a circular piezoelectric inhomogeneity,” International Journal of Engineering Science, 37:945-959, 1999.
14. Z. M. Xiao and J. Bai, “On piezoelectric inhomogeneity related problem - part II: a circular piezoelectric inhomogeneity interacting with a nearby crack,” International Journal of Engineering Science, 37:961-976, 1999.

Peer-Reviewed Conference Publications

• J. Bai, G. Silenshi, S. Burns, G. Nordehn, and L. Wittmers, "Heart sound detection using laser technology," 2012 Design of Medical Devices Conference (DMD2012), Minneapolis, MN, April 10-12, 2012. (Accepted)
• J. Bai,"Amplitude Instability and Phase Instability of Quantum-Cascade Lasers under Kerr Effect," the 11th IEEE International Conference on Nanotechnology (IEEE NANO 2011), Portland, Oregon, Aug. 15-19, 2011.
• X. Qian, and J. Bai, "Strain-tuned light trapping performance of plasmonic solar cells", the 37th IEEE Photovoltaic Specialists Conference (PVSC 37), Seattle, WA, June 19-24, 2011.
• J. Bai, "Instabilities of quantum-cascade lasers under self-phase modulation," IEEE Proceedings on 2011 International Conference on Electronics and Optoelectronics (ICEOE), V3-258 - V3-261, 2011. DOI: 10.1109/ICEOE.2011.6013353. (Dalian, P. R. China, July 29-31, 2011)
• J. Bai, G. Nordehn, G. Sileshi, S. Burns, L. Wittmers, and R. Ulseth,"Optical system design of laser-based stethoscope", 2011 Design of Medical Devices Conference (DMD2011) , Minneapolis, MN, April 12-14, 2011.
• J. Bai and D. Zhou, "Single-mode instability and multi-mode instability of quantum-cascade lasers", IEEE Proceedings of 10th Conference on Nanotechnology (IEEE Nano 2010), pp. 815-820, 2010. DOI: 10. 1109/NANO. 2010. 5697829. (Seoul, Korea, Aug. 17-20, 2010)
• J. Bai, “Compression of laser pulse in multi-resonance quantum-cascade structures”, SPIE Symposium on Photonics Europe, Brussels, Belgium, April 12-16, 2010. (Accepted for oral presentation).
• D. Zhou and J. Bai,"Infrared (IR) Thermal Imaging-Based Automatic Tumor Tracking During Breast Cancer Radiotherapy", Design of Medical Devices (DMD) Conference, Minneapolis, MN, April 13-15, 2010. Abstract published in Journal of Medical Devices, Vol.4,  Issue 2, 2010. DOI:10.1115/1.3454863.
• J. Bai, “A generalized Modeling Strategy for Quantum-Cascade Structures with Enhanced Optical Nonlinearities”, IEEE Proceedings on the 8th Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim 2009), pp. 1-2, 2009. DOI: 10.1109/CLEOPR.2009.5292487. (Shanghai, P.R. China, Aug. 30-Sep. 03, 2009)
• J. Bai, “Effect of Multi-Resonance Subband Structure on the Kerr Nonlinearity of Quantum-Cascade Lasers”, APS March Meeting, Pittsburgh, PA, March 16-20, 2009.
• J. Bai, “Radiative and nonradiative carrier transports in quantum dot solar cells”, International Workshop on Nonequilibrium Nanostructures, Dresden, Germany, December 01-06, 2008.
• J. Bai and D. S. Citrin, “Harmonic-Resonance Enhanced Third-Order Nonlinear Susceptibilities in Quantum-Cascade Lasers”, SPIE Symposium on Photonics Europe, Strasbourg, France, April 7-11, 2008.
• E. Trybus, O. Jani, S. Burnham, J. Bai, D. S. Citrin, I. Ferguson, W. A. Doolittle, C. Honsberg and M. Steiner, "Characteristics of InGaN Designed for Photovoltaic Applications", 7th International Conference of Nitride Semiconductors (ICNS-7), Las Vegas, NV, USA, September 16-21, 2007.
• J. Bai and D. S. Citrin, “Performance Analysis of Mid-Infrared Quantum Cascade Lasers with Enhanced Optical Nonlinearity”, The 9th International Conference on Intersubband Transitions in Quantum Wells, Ambleside, Cumbria, U.K., September 9-14, 2007.
• J. Bai and D. S. Citrin, “Design of Nonlinearity Enhanced Quantum Cascade Lasers”, PHASE & IPSSO 2007, Metz, France, March 28-30, 2007.
• J. Bai and D. S. Citrin, “Enhancement of Second-Harmonic Generation in Mid-Infrared Quantum Cascade Lasers”, CLEO/QELS, Long Beach, CA, May 21-26, 2006.
• J.  Bai and D. S. Citrin, “Optimization and Rate-Equation Model for Second-Harmonic Generation in Mid-Infrared Quantum Cascade Lasers”, APS March Meeting, Baltimore, MD, March 13-17, 2006.
• J. Bai and D. S. Citrin, “Optimization of Second-Harmonic Generation in Mid-Infrared Quantum Cascade Lasers,” presented at 4th ESA Workshop on Millimetre Wave Technology and Applications, Espoo, Finland, February 15-17, 2006.
• J. Bai and D. S. Citrin, “Supersymmetric Optimization of Second-Order Nonlinear Susceptibilities in Long-Wavelength Quantum Cascade Lasers”, The 8th International Conference on Intersubband Transitions in  Quantum Wells, Cape Cod, MA, September 11-16, 2005.