===== Chunfeng Zhang, PhD =====
{{research:cne:Chunfeng.jpg|}}
===== Contact Information =====
Postdoc Scholar\\

Center for Neural Engineering [[http://www.esm.psu.edu/wiki/research:cne:start]]\\
Department of Engineering Science and Mechanics [[http://www.esm.psu.edu/]] \\
212 Earth-Engineering Science Building,\\
Pennsylvania State University,\\ 
University Park, PA, 16802.\\
Voice: (814) 206-6850\\
Fax: (814) 865-6161\\
Email: cuz12@psu.edu\\

===== Education =====
Ph.D.	Physics (2002-2007), Fudan University, China\\
Thesis title: Nonlinear optically pumping of lasing in ZnO nanostuctures.\\
B.Sc	Physics (1999-2002), Fudan University, China\\


===== Professional =====
2007---, Postdoc Scholar, Department of Engineering Science and Mechnics and Center of Neuroscience Engineering, the Pennsylvania State University\\
2006,    Visiting scholar, Christian Doppler Lab for Surface Optics, University of Linz, Austria\\

===== Research ====
**Interests:** \\
  * Optical sensors for analyte measurement in neural tissue; \\
  * Nonlinear Optics;\\
  * Ultrafast Laser Spectroscopy\\

**Publications:**\\
  * **Zhang CF**, Xu J, Zhu T, Zhang F, Tan ZA, Schiff SJ, “Quantum efficiency of stimulated emission in colloidal semiconductor nanocrystal quantum dots”, Phys. Rev. B 80, 035333 (2009)\\
  * **Zhang CF**, Zhang F, Sun XW, Yang Y, Wang J, Xu J, “Frequency up-converted whispering gallery mode lasing in ZnO hexagonal nanodisks”,Opt. Lett. 2009\\
  * **Zhang CF**, Zhang F, Xu J, Wang AY, “Frequency up-converted lasing of nanocrystal quantum dots in microbeads”, Appl. Phys. Lett. 2009.\\
  * **Zhang CF**, Zhang F, Xia T, Kumar N, Hahm J, Liu J, Wang ZL, Xu J, “Low threshold two-photon pumped ZnO nanowire lasers”, Opt. Express 17, 7893 (2009).\\
  * Dong ZW, Yang XC, Li ZH, Xu JX, Liu KJ, **Zhang CF**, You GJ, Yan YL, Qian SX, “Ultrafast dynamics of copper nanoparticles embedded in soda-lime silicate glass fabricated by ion exchange”, Thin Solid Film 517, 6046 (2009).\\
  * Tan ZA, Zhu T, Thein M, Gao S, Cheng A, Zhang F, **Zhang CF**, Su HP, Wang JK, Henderson R, Hahm JI, Xu J, “Integration of Planar and Bulk Heterojunctions in Polymer/Nanocrystal Hybrid Photovoltaic Cells”, Appl. Phys. Lett. 95, 063510 (2009).
  * Tan ZA, Xu J, **Zhang CF**, Zhu T, Zhang F, Hedrick B, Pickering S, Wu J, Su HP, Gao S, Wang AY, Kimball B, Ruzyllo J, Dellas NS, Mohney SE, “Colloid nanocrystal-based light-emitting diodes fabricated on plastic toward flexible quantum dot optoelectronics”, J. Appl. Phys. 105, 034312 (2009).\\
  * **Zhang CF**, Zhang F, Zhu T, Cheng A, Xu J, Zhang Q, Mohney SE, Henderson RH, Wang YA, “Two-photon-pumped lasing from colloidal nanocrystal quantum dots”, Opt. Lett. 33, 2437 (2008).\\
  * **Zhang CF**, Zhang F, Qian SX, Kumar N, Hahm JI, and Xu J, “Multi-photon absorption induced amplified spontaneous emission from biocatalyst-synthesized ZnO nanorods”, Appl. Phys. Lett. 92, 233116 (2008).\\
  * Dong ZW, **Zhang CF**, Liu KJ, Yan YL, Deng H, and Qian SX, “Multi-photon excitation in ZnO materials”, Frontier of Physics in China, 3, 181 (2008).\\
  * **Zhang CF**, Dong ZW, Liu KJ, Yan YL, Qian SX, and Deng H, “Multiphoton absorption pumped ultraviolet stimulated emission from ZnO microtubes”, Appl. Phys. Lett. 91, 142109 (2007).\\
  * Dong ZW, **Zhang CF**, You GJ, Qiu XQ, Liu KJ, Yan YL, and Qian SX, “Multi-photon excitation UV  emission by femtosecond pulse and nonlinearity in ZnO single crystal”, J. Phys. -Condens. Matt. 19，216202 (2007).\\
  * You GJ, Zhou P, **Zhang CF**, Dong ZW, Chen LY, & Qian SX, “Ultrafast third-order nonlinear optical response of Cu:Bi2O3 nanocomposite films”, Physica B, 393, 188 (2007).\\
  * You GJ, Zhou P, Dong ZW, **Zhang CF**, Chen LY, & Qian SX, “Femtosecond third-order optical nonlinearity of Au:Bi2O3 nanocomposite films”, Chin. Phys. Lett., 24, 730(2007).\\
  * Dong ZW, You GJ, Zhou P, **Zhang CF**, Liu KJ, Yan YL, & Qian SX, “Heat treatment effect on the ultrafast dynamics and nonlinear optical properties of Ag:Si3N4 nanocerments”, J.Phys.D-Appl.Phys. 39, 4766(2006).\\
  * **Zhang CF**, Dong ZW, You GJ, Qian SX, & Deng H, “Multi-photon route to ZnO nanowire lasers”, Opt. Lett. 31,3345(2006).\\
  * **Zhang CF**, Dong ZW, You GJ, Zhu RY, Qian SX, Deng H, Cheng H, & Wang JC., “Femtosecond pulse excited two-photon photoluminescence and second harmonic generation in ZnO nanowires”, Appl. Phys. Lett. 89, 042117(2006).\\
  * Dong ZW, **Zhang CF**, Deng H, You GJ, & Qian SX, “Raman spectrum of a single micrometer-sized tubular ZnO”, Mater. Chem. Phys. 99 160(2006).\\
  * **Zhang CF**, Dong ZW, You GJ, Qian SX, Deng H, Gao H, Yang LP, & Li Y, “Observation of two-photon induced photoluminescence of ZnO microtubes”, Appl. Phys. Lett. 87, 051920 (2005).\\
  * You GJ, Zhou P, **Zhang CF**, Dong ZW, Chen LY, & Qian SX, “Ultrafast nonlinear optical response of silver/bismuth oxide nanocomposite films with different silver concentrations”, J. Lumin. 119, 370(2006). 
  * You GJ, Zhou P, **Zhang CF**, Dong ZW, Yang F, Du ZL, Chen LY, & Qian SX, “Ultrafast studies on the energy relaxation dynamics and the concentration dependence in Ag:Bi2O3 nanocomposite films”, Chem. Phys. Lett. 413,162(2005).
  * **Zhang CF**, Liu Y, You GJ, Li B, Shi JL, & Qian SX, “Linear and ultrafast nonlinear optical response of Au:TiO2 composite nanoparticle films”, Physica B 357,3344 (2005).
  * **Zhang CF**, You GJ, Dong ZW, Liu Y, Ma GH, & Qian SX, “Off-resonant third-order optical nonlinearity of Ag:TiO2 composite film”, Chin.Phys.Lett. 22, 205(2005).

**Conference Proceedings (selected)**\\
  * Zhang CF et al., “Energy transfer pumped efficienct infrared colloid quantum dot light emitting diodes”, EMC 2009.
  * Zhang CF et al., “Frequency up-converted lasing of nanocrystal quantum dots in microbeads”, CLEO 2009.
  * Zhang CF et al., “Two-/three-photon pumped ultraviolet nanorod lasers”, CLEO 2008.
  * Zhang CF et al., “Multiphoton route to ultraviolet nanowire lasers”, CLEO 2007.
  * Zhang CF, and Qian SX, “Two-photon induced ultraviolet semiconductor laser assisted by the Rabi flopping”, CLEO 2006.