Dr. Xifeng Qian is a post-doctoral research associate at Photonics Center of UMass Lowell. His research interests include the development of GaAs/AlGaAs THz quantum cascade laser; development of InGaAs/GaAs nanosphere lithographically defined quantum dots optical devices; and MBE epi-growth of other InGaAlAs structures.
1. Xifeng Qian, Shivashanga Vangala, Daniel Wasserman, and William D. Goodhue, “High-Optical-Quality Nanosphere Lithographically Formed InGaAs Quantum Dots Using MBE-Assisted GaAs Mass Transport and Overgrowth”, (submit to The Journal of Vacuum Science and Technology B)
2. Andriy A. Danylov, Thomas M. Goyette, Jerry Waldman, Michael J. Coulombe, Andrew J. Gatesman, Robert H. Giles, William D. Goodhue, Xifeng Qian, and William E. Nixon, “Frequency stabilization of a single mode terahertz quantum cascade laser to the kilohertz level”, Optics Express Vol. 17, Iss. 9, 7525-7532 (2009) (pdf)
3. X. Qian, J. Li, D. Wasserman, and W.D. Goodhue, “Uniform InGaAs Quantum Dot Arrays Fabricated Using Nanosphere Lithography”, Applied Physics Letters 93, 231907 (2008). Selected for the Dec. 22, 2008 issue of Virtual Journal of Nanoscale Science & Technology. The Virtual Journal, which is published by the American Institute of Physics and the American Physical Society in cooperation with numerous other societies and publishers, is an edited compilation of links to articles from participating publishers, covering a focused area of frontier research (pdf)