William O. Charles

William O. Charles

Ph.D.
SUNY Polytechnic Institute
Epitaxial Growth Engineer

Contact

Office Address:
NFE
2400
Location
Albany
Faculty/Staff
Staff

Professional Background

  • Research Engineer, Phononic Inc, Durham, NC (2011 – 2016)
  • Research Scholar, Princeton University, Princeton, NJ (2009 – 2011)
  • Systems Engineer, Telcordia Technologies, Piscataway, NJ, (2000 – 2001)
  • Adjunct Professor, Borough of Manhattan Community College, New York, NY (2001 – 2003)

Education

  • Ph.D (Electrical Engineering) CUNY, New York, NY (2010)
  • BE (Electrical Engineering), CUNY, New York, NY (1999)

Responsibilities

  • Use SUNY Poly’s compound semiconductor epi tools to develop heteroepitaxial processes for direct growth of III-V photonic devices on 300 mm silicon wafers
  • Collaborate with scientist and engineers at AIM sites to develop processes and laser structures, then successfully transfer and qualify them in SUNY Poly’s fabrication line
  • Interface with off-site partners, vendors and on-site personnel

Patents

  • Highly Power-Efficient and Broadband Quantum Cascade Lasers, Patent No. 8,644,358 (2014)

Selected Publications and Conference Presentations

  • W. O. Charles, K. J. Franz, A. Shen, Q. Zhang, M. C. Tamargo, C. Gmachl, "Molecular Beam Epitaxy Growth of Znx’Cd(1-x’)Se/ZnxCdyMg(1-x-y)Se-InP Quantum Cascade Structures," J. Crystal Growth 310, 5380 (2008)
  • K. J. Franz, W. O. Charles, A. Shen, A. Hoffman, M. C. Tamargo, C. Gmachl, “ZnCdSe/ZnCdMgSe Quantum Cascade Electroluminescence,” Appl. Phys. Lett. 92, 121105 (2008)
  • Ekua N. Bentil, Germano M. Penello, William O. Charles, Peter Q. Liu, and Claire F. Gmachl, “Implementation of a semi-transparent mid-infrared quantum well infrared photodetector simultaneously as a beamsplitter and a reference detector,” Appl. Phys. Lett. 100, 011104 (2012)
  • Xue Huang, Yenting Chiu, William O. Charles, and Claire Gmachl, “Ridge-width dependence of the threshold of long wavelength (λ ≈14 μm) quantum cascade lasers with sloped and vertical sidewalls,” Optics Express, 20, 2539 (2012)
  • W. O. Charles, Y. Yao, T. Tsai, J. Chen, G. Wysocki and C. Gmachl, “Continuum-to-bound broadband quantum cascade laser,” 27th North American Conference on Molecular Beam Epitaxy, Breckenridge, Co (Sept 2010)
  • W.O. Charles, K.J. Franz, A. Shen, Q. Zhang, C. Gmachl, M.C. Tamargo "Growth and Characterization of Znx’Cd(1-x’)Se/ZnxCdyMg(1-x-y)Se Quantum Cascade Emitters," International Quantum Cascade Laser School and Workshop (IQCLSW), Monte Verita, Switzerland (Sept 2008)

 

 

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