Xuejun Lu is Professor in the Francis College of Engineering,  DEPARTMENT of Electrical & Computer Engineering at UMass Lowell.

Xuejun Lu

Professor

College
Francis College of Engineering
Department
Electrical & Computer Engineering
Phone
978-934-3359
Fax
978-934-3027
Office
Ball Hall, Room 413

Expertise

Optoelectronics, Photonics, Infrared lasers and photodetectors, and focal plane arrays, optical antennas

Research Interests

Prof. Xuejun Lu's research interests include longwave infrared (LWIR) focal plane array (FPA), Multi-color (band) IR sensors; LWIR image amplifier; Flexible thin-film transistors; Printable electronics; chemical sensor; Single quantum dot emitters; Plasmonic-enhanced photodetectors; Optical antennas, LWIR Electro-optic modulators based on intersubband transitions and high-quality ultra-uniform quantum dot growth techniques.

Education

  • Ph.D.: (2001), The University of Texas - Austin, Texas
    Dissertation/Thesis Title:High-performance Thermo-optic Switch and Electro-optic Modulator Based on Polymeric Multi-mode Optical Waveguide with High Device Packing Density for Optical Network Application
  • M.S.: (1995), Beijing (Peking) University, Beijing, China - Beijing, China
    Dissertation/Thesis Title:Experimental Study of an External Cavity Laser based on Faraday Anomalous Dispersion Atomic Filter
  • B.S.: Chemistry: (1992), Beijing (Peking) University, Beijing - Beijing, China
    Dissertation/Thesis Title:Experimental Study of Dealuminum of Molecular Sieve

Biosketch

Xuejun Lu, Ph.D., is a professor in the Department of Electrical and Computer Engineering of University Massachusetts Lowell (UML). He received his Ph.D. degree in Electrical Engineering from the University of Texas Austin in 2001. He worked as a postdoctoral research fellow at the microelectronic research center, UT Austin from 2001 to 2002 and a senior engineer at Finisar from 2002 to 2003. He joined the department of Electrical and Computer Engineering of University Massachusetts Lowell as an assistant professor in 2003. He was promoted to associate professor with tenure in 2008 and full professor in 2013. His research interests include: Surface plasmonics and optical antenna enhanced mid-wave and longwave infrared (MWIR/LWIR) photodetectors and focal plane arrays (FPA), Multi-color (band) IR sensors; Flexible thin-film transistors; Stand-off remote chemical sensor; Optical antenna enhanced avalanche photodiode (APD), Optical antenna induced strong light-matter interaction, Single quantum dot emitters; LWIR Electro-optic modulators based on intersubband transitions; High-quality ultra-uniform quantum dot and III-V material growth techniques.

Selected Awards and Honors

  • IDTechEx Academic Research and Development Award (2009)
  • Scholarship/Research - IDTechEx (2007)
  • Air Force summer faculty award (2007) - Kirtland AFB
  • Air Force summer faculty award, Kirtland AFB, 2020
  • Air Force summer faculty award, Kirtland AFB, 2021
  • SPIE PhotonicsWest 2022 Advanced Photodetectors Session co-chair

Selected Publications

  • Lu, X., Vaillancourt, J., Gu, G. (). A plasmonic perfect absorber enhanced longwave infrared quantum dot infrared photodetector with high quantum efficiency. J. Phys. D: Appl. Phys, AIP Advances.
  • Kemsri, T., Gu, G., Zhang, Y., Lanc, X., Zhang, H., Tice, J., Lu, X. (). Angular-dependent photodetection enhancement by a metallic circular disk optical antenna. AIP Advances. 
  • Vaillancourt, J., Blasch, E., Gu, G., Lu, X., Reinhardt, K. (2016). A Demonstration of On-Chip Self-Registered Image Fusion Using a Voltage-Tunable Mid-Wave and Long-Wave Infrared Dual-Band Focal Plane Array. IEEE Sensors Journal, 16(11) 4374 - 4379. 
  • Zhang, Y., Vaillancourt, J., Gu, G., Guo, W., Lu, X. (2016). Quantum selection rule dependent plasmonic enhancement in quantum dot infrared photodetectors. Journal of Applied Physics, 119(19). 
  • Mojaverian, N., Gu, G., Lu, X. (2015). A plasmonic dipole optical antenna coupled quantum dot infrared photodetector. Journal of Physics D: Applied Physics, 48(47). 
  • Lan, X., Lu, X., Blumenthal, T., Fratello, V., Chan, W., Truong, M., Kiyono, K., Zhang, Y., Gu, G., Tan, M. (2015). Ultra-wideband microwave components fabricated using low-cost aerosol-jet printing technology (2015-June: pp. 156-158). IEEE Computer Society 
  • Gu, G., Vaillancourt, J., Lu, X. (2014). Analysis of near-field components of a plasmonic optical antenna and their contribution to quantum dot infrared photodetector enhancement. Optics Express, 22(21) 24970-24976.
  • Gu, G., Vaillancourt, J., Lu, X. (2014). Backside configured surface plasmonic enhancement (1590: pp. 195-199). American Institute of Physics Inc 
  • Vaillancourt, J., Mojaverian, N., Lu, X. (2014). Erratum: "A Longwave infrared focal plane array enhanced by backside-configured Plasmonic structures" (IEEE Photonics Technology Letters (2014) 
  • 26:8 (745-748)). IEEE Photonics Technology Letters, 26(23) 2412. 
  • Gu, G., Lu, X. (2014). Near-field vector analysis of plasmonic structures enhancement on infrared photodetectors (9163: pp. The Society of Photo-Optical Instrumentation Engineers (SPIE)). SPIE 
  • Gu, G., Mojaverian, N., Vaillancourt, J., Lu, X. (2014). Surface plasmonic resonance induced near-field vectors and their contribution to quantum dot infrared photodetector enhancement. Journal of Physics D: Applied Physics, 47(43). 
  • Gu, G., Lu, X. (2014). Comparison of two complementary surface plasmonic structures and their enhancement in infrared photodetectors (9070:). Proceedings of SPIE - The International Society for Optical Engineering 
  • Ling, Y., Zhang, H., Gu, G., Lu, X., Kayastha, V., Jones, C., Shih, W., Janzen, D. (2014). A printable CNT-based FM passive wireless sensor tag on a flexible substrate with enhanced sensitivity. IEEE Sensors Journal, 14(4) 1193-1197. 
  • Vaillancourt, J., Mojaverian, N., Lu, X. (2014). A longwave infrared focal plane array enhanced by backside-configured plasmonic structures. IEEE Photonics Technology Letters, 26(8) 745-748. 
  • Gu, G., Vaillancourt, J., Vasinajindakaw, P., Lu, X. (2013). Backside-configured surface plasmonic structure with over 40 times photocurrent enhancement. Semiconductor Science and Technology, 28(10). 
  • Subbaraman, H., Pham, D., Xu, X., Chen, M., Hosseini, A., Lu, X., Chen, R. (2013). Inkjet-printed two-dimensional phased-array antenna on a flexible substrate. IEEE Antennas and Wireless Propagation Letters, 12 170-173. 
  • Ling, Y., Gu, G., Liu, R., Lu, X., Kayastha, V., Jones, C., Shih, W., Janzen, D. (2013). Investigation of the humidity-dependent conductance of single-walled carbon nanotube networks. Journal of Applied Physics, 113(2). 
  • Liu, R., Vasinajindakaw, P., Gu, G., Vaillancourt, J., Lu, X. (2013). Optimizing light absorption in quantum dot infrared photodetectors by tuning surface confinement of surface plasmonic waves. Journal of Physics D: Applied Physics, 46(1). 
  • Chen, M.Y., Pham, D., Subbaraman, H., Lu, X., Chen, R.T. (2012). Conformal Ink-Jet Printed -Band Phased-Array Antenna Incorporating Carbon Nanotube Field-Effect Transistor Based Reconfigurable True-Time Delay Lines. Microwave Theory and Techniques, IEEE Transactions on, 60(1) 179-184. 
  • Vasinajindakaw, P., Lu, X., Qian, X., Vangala, S., Goodhue, W. (2011). High-operating temperature (HOT) broadband quantum-dot infrared photodetector (pp. 80122X–80122X). 
  • Vaillancourt, J., Vasinajindakaw, P., Lu, X., Qian, X., Vangala, S., Goodhue, W.D. (2011). Thermo-electrically cooled shortwave infrared and longwave infrared dual-band quantum-dot photodetector (pp. 80120O–80120O).
  • Vaillancourt, J., Vasinajindakaw, P., Hong, W., Lu, X., Qian, X., Vangala, S., Goodhue, W.D. (2010). A LWIR quantum dot infrared photodetector working at 298K (pp. 760821–760821). 
  • Hong, W., Vasinajindakaw, P., Vaillancourt, J., Zhang, H., Gu, G., Liu, R., Lu, X., Qian, X., Vangala, S., Goodhue, W.D. (2010). Multispectral infrared photodetector with carbon nanotube flexible electronic circuits (pp. 767906–767906). 
  • Ma, W.Q., Yang, X.J., Chong, M., Yang, T., Chen, L.H., Shao, J., Lu, X., Lu, W., Song, C.Y., Liu, H.C. (2008). Voltage tunable two-color InAs/GaAs quantum dot infrared photodetector. Applied Physics Letters, 93(1) 13502-13502. 
  • Lu, X., Meisner, M.J., Vaillancourt, J., Li, J., Liu, W., Qian, X., Goodhue, W.D. (2007). Modulation-doped InAs-InGaAs quantum dot longwave infrared photodetector with high quantum efficiency. Electronics Letters, 43(10) 589-590.
  • Han, X., Janzen, D.C., Vaillancourt, J., Lu, X. (2007). Printable high-speed thin-film transistor on flexible substrate using carbon nanotube solution. Micro & Nano Letters, IET, 2(4) 96-98. 
  • Vaillancourt, J., Lu, X., Han, X., Janzen, D.C. (2006). High-speed thin-film transistor on flexible substrate fabricated at room temperature. Electronics Letters, 42(23) 1365-1366.

Selected Presentations

  • Guiru Gu, Runyu Liu, Yunfeng Ling, and Xuejun Lu, Printed CNT transistors with high on-off ratio and linearity., 2011
  • Jarrod Vaillancourt, Puminun Vasinajindakaw, Xuejun Lu, Xifeng Qian, Shivashankar R. Vangala and William D. Goodhue, Thermo-electrically cooled shortwave infrared and longwave infrared dual-band quantum-dot photodetector., 2011 
  • Puminun Vasinajindakaw, Xuejun Lu, Xifeng Qian, Shivashankar R. Vangala and William D. Goodhue, High-operating temperature (HOT) broadband quantum-dot infrared photodetector., 2011 
  • Jarrod Vaillancourt, Puminun Vasinajindakaw, Wen Hong, Xuejun Lu, Xifeng Qian, Shivashankar R. Vangala and William D. Goodhue, 'A LWIR Quantum Dot Infrared Photodetector working at 298K', 2010. 
  • Wen Hong, PuminunVasinajindakaw, Jarrod Vaillancourt, Haiyan Zhang, Guiru Gu, Runyu Liu, Xuejun Lu, Xifeng Qian, Shivashankar R. Vangala and William D. Goodhue, "Multispectral infrared photodetector with carbon nanotube flexible electronic circuits., 2010 
  • Jarrod Vaillancourt and Xuejun Lu, very longwave infrared (> 14 _m) quantum-dot photodetector. 
  • Jarrod Vaillancourt and Xuejun Lu, A monolithically integrated multi-spectral polarimetric quantum dot infrared photodetector., 2009 
  • Jarrod Vaillancourt and, Xuejun Lu, Smart photodetector and focal plane array, 2009 Jarrod Vaillancourt, Puminun Vasinajindakaw, and Xuejun Lu, A voltage-tunable multi-spectral 320x256 InAs/GaAs quantum-dot infrared focal plane array (FPA), 2009 
  • Maggie Y. Chen, Xuejun Lu, Harish Subbaraman, and Ray T. Chen, fully printed phased-array antenna for space communications, 2009 High-speed transparent flexible electronics, 2008.

Selected Intellectual Property

  • Patent - Lu, X., "backside-configured surface plasmonic structure for IR focal plane array enhancement." 10,763,382 United States

Selected Contracts, Fellowships, Grants and Sponsored Research

"Drone-based Wireless Sensor Network for Multimodal sensing," Sponsor ARMY CCDC through HEROES, Xuejun Lu (PI), Co-PI Tricia Chigan, Yuanchang Xie, 2020 to 2023. 

"Wireless High Temperature Sensor Network for smart boiler systems,” Sponsor: DOE, Xuejun Lu (PI), Co-PI Xingwei Wang, 2020 to 2022.