Publications

Journal Articles:

  • Ultrafast dynamics in 2D materials and heterostructures visualized with time- and angle-resolved photoemission. T. K. Allison, Z. H. Withers,Z. Li, J. Bakalis, S. Chernov, S. Cheng, G. Schönhense, X. Du, R. Kawakami, A. Kunin. Proceedings of SPIE Volume 12884, Ultrafast Phenomena and Nanophotonics XXVIII, 128840A (2024). DOI
  • Momentum-space Observation of Optically Excited Non-Thermal Electrons in Graphene with Persistent Pseudospin Polarization. J. Bakalis, S. Chernov, Z. Li, A. Kunin, Z. H. Withers, S. Cheng, A. Adler, C. Corder, M. G. White, G. Schönhense, X. Du, R. K. Kawakami, and T. K. Allison. arXiv:2402.13205 (2024). DOI
  • Ultrafast internal conversion and photochromism in gas-phase salicylideneaniline. M. C. Silfies, A. Mehmood, G. Kowzan, E. G. Hohenstein, B.G. Levine, and T.K. Allison. J. Chem. Phys. 159, 104304 (2023). DOI
  • Controlling Rotationally Resolved Two-Dimensional Infrared Spectra
    with Polarization.
    G. Kowzan and T.K. Allison. J. Phys. Chem. Lett. 13, 11650 (2022). DOI
  • Theory of rotationally resolved two-dimensional infrared spectroscopy including polarization dependence and rotational coherence dynamics. G. Kowzan and T.K. Allison. Phys. Rev. A. 106, 042819 (2022). DOI
  • Momentum-Resolved Exciton Coupling and Valley Polarization Dynamics in Monolayer WS2. A. Kunin, S. Chernov, J. Bakalis, Z. Li, S. Cheng, Z. H. Withers, M. G. White, G. Schönhense, X. Du, R. K. Kawakami, and T. K. Allison. Phys. Rev. Lett. 130, 046202 (2023). DOI
  • Suppression of the vacuum space-charge effect in fs photoemission by a retarding electrostatic front lens. G. Schönhense et al. Rev. Sci. Inst. 92, 053703 (2021). DOI
  • Broadband cavity-enhanced ultrafast spectroscopy. M. C. Silfies, G. Kowzan, N. Lewis, and T. K. Allison. Phys. Chem. Chem. Phys. 23, 9743 (2021) DOI
  • Broadband ultraviolet-visible frequency combs from cascaded high-harmonic generation in quasi-phase matched waveguides. J. Rutledge, A. Catanese, D. Hickstein, S. A. Diddams, T. K. Allison, A. S. Kowligy. J. Opt. Soc. B 38, 2252 (2021) DOI
  • Widely tunable cavity-enhanced frequency combs M. C. Silfies, G. Kowzan, Y. Chen, N. Lewis, R. Huo, R. Baehre, T. Gross, and T. K. Allison. Opt. Lett. 45, 2123 (2020) DOI
  • Mid-infrared frequency comb with 6.7 W average power based on difference frequency generation. A. Catanese, J. Rutledge, M. C. Silfies, X. L. Li, H. Timmers, A. Kowligy, A. Lind, S. A. Diddams, and T. K. Allison. Opt. Lett. 45, 1248 (2020). DOI
  • Tunable visible frequency combs from a Yb-fiber-laser-pumped optical parametric oscillator. Y. Chen, M. C. Silfies, G. Kowzan, J. M. Bautista, T. K. Allison, Appl. Phys. B. 125, 81 (2019). DOI
  • χ² mid-infrared frequency comb generation and stabilization with few-cycle pulsesA. J. Lind, A. Kowligy, H. Timmers, F. C. Cruz, N. Nader, M. C. Silfies, T. K. Allison, S. A. Diddams. Phys. Rev. Lett. 124, 133904 (2020) DOI
  • Ultrafast extreme ultraviolet photoemission without space charge. C. Corder, P. Zhao, J. Bakalis, X. L. Li, M. D. Kershis, A. R. Muraca, M. G. White, and T. K. Allison, Structural Dynamics 5, 054301 (2018). DOI
  • Development of a tunable high repetition rate XUV source for time-resolved photoemission studies of ultrafast dynamics at surfaces.
    C. Corder, P. Zhao, X. L. Li, M. D. Kershis, M. G. White, T. K. Allison. Proceedings SPIE 10519, LAMOM XXIII, 105190B (2018). DOI
  • Molecular fingerprinting with bright, broadband infrared frequency combs. H. Timmers, A. Kowligy, A. Lind, F. Cruz, N. Nader, M. Silfies, G. Ycas, T. K. Allison, P. Schunemann, S. B. Papp, and S. A. Diddams. Optica 6, 727 (2018). DOI
  • Cavity-enhanced ultrafast two-dimensional spectroscopy using higher-order modes. T. K. Allison. J. Phys. B. 50, 044004 (2017). DOI
  • High-power ultrafast Yb:fiber laser frequency combs using commercially available components and basic fiber tools. X. L. Li, M. A. R. Reber, C. Corder, Y. Chen, P. Zhao, and T. K. Allison. Rev. Sci. Inst. 87, 093114 (2016). DOI
  • Cavity-enhanced ultrafast spectroscopy: ultrafast meets ultrasensitive. M. A. R. Reber, Y. Chen, and T. K. Allison. Optica 3, 311 (2016). DOI
  • Cavity-enhanced field-free molecular alignment at high repetition rate. C. Benko, L. Hua, T. K. Allison, F. Labaye, and Jun Ye. Phys. Rev. Lett. 114, 153001 (2015). DOI
  • Extreme ultraviolet radiation with coherence time greater than 1s.  C. Benko, T. K. Allison, A. Cingöz, L. Hua, F. Labaye, D. C. Yost, and J. Ye. Nature Photonics 8, 530 (2014). DOI
  • X-ray and optical wavemixing. T. E. Glover, D. M. Fritz, M. Cammarata, J. Feldkamp, T. K. Allison, H. Lemke, D. Zhu, R. N. Coffee, Sinisa Coh, S. Schwartz, D. A. Reis, S. E. Harris, and J. B. Hastings.  Nature 498, 603 (2012). DOI
  • Ultrafast Internal Conversion in Ethylene. II. Mechanisms and Pathways for Quenching and Hydrogen Elimination. T. K. Allison, H. Tao, W. Glover, T. W. Wright, A. M. Stooke, C. Khurmi, J. van Tilborg, Y. Liu, R. W. Falcone, T. J. Martinez, and A. Belkacem. J. Chem. Phys. 136, 124317 (2012). DOI
  • Direct Frequency Comb Spectroscopy in The Extreme Ultraviolet. A. Cingöz, D. C. Yost, T. K. Allison, A. Ruehl, M. E. Fermann, I. Hartl, and J. Ye. Nature 482, 68 (2012). DOI
  • Extreme Nonlinear Optics in a Femtosecond Enhancement Cavity. T. K. Allison, A. Cingöz, D. C. Yost, and J. Ye. Phys. Rev. Lett. 107, 183903 (2011). DOI
  • Power Optimization of XUV Frequency Combs for Spectroscopy Applications. D. C. Yost, A. Cingöz, T. K. Allison, A. Ruehl, M. E. Fermann, I. Hartl, and J. Ye. , Opt. Exp. 19, 23483 (2011). DOI
  • Ultrafast Internal Conversion in Ethylene. I. The Excited State Lifetime. H. Tao, T. K. Allison, T. W. Wright, A. M. Stooke, C. Khurmi, J. van Tilborg, Y. Liu, R. W. Falcone, A. Belkacem, and T. J. Martinez., J. Chem. Phys. 134, 244306 (2011). DOI
  • Broadband Phase Noise Suppression in a Yb-fiber Frequency Comb. A. Cingöz, D. C. Yost, T. K. Allison, A. Ruehl, M. E. Fermann, I. Hartl, and J. Ye, , Opt. Lett. 36, 743 (2011) DOI
  • Femtosecond Spectroscopy with Vacuum Ultraviolet Pulse Pairs. T. K. Allison, T. W. Wright, A. M. Stooke, C. Khurmi, J. van Tilborg, Y. Liu, R. W. Falcone, and A. Belkacem. Opt. Lett. 35, 3664 (2010). DOI
  • Controlling X-rays with Light. T. E. Glover, M. P. Hertlein, S. H. Southworth, T. K. Allison, J. van Tilborg, E. P. Kanter, B. Krassig, H. R. Varma, B. Rude, R. Santra, A. Belkacem, L. Young. Nature Physics 6, 69 (2010). DOI
  • Separation of High-Order Harmonics with Fluoride Windows. T. K. Allison, J. van Tilborg, T. W. Wright, M. P. Hertlein, R. W. Falcone, and A. Belkacem. Opt. Exp. 17, 8941 (2009) DOI
  • Observation of Structural Anisotropy and the Onset of Liquid-like Motion During the Nonthermal Melting of InSb. K.J. Gaffney et. al., Phys. Rev. Lett. 95, 125701 (2005). DOI
  • Time Resolved Measurements of the Structure of Water at Constant Density. A. M. Lindenberg, Y. Acremann, D. P. Lowney, P. A. Heimann, T. K. Allison, T. Matthews, and R. W. Falcone. J. Chem. Phys. 122, 204507 (2005). DOI
  • Atomic Scale Visualization of Inertial Dynamics, A.M. Lindenberg et. al. Science 308, 392 (2005). DOI

Patents:

  • Apparatus and method for cavity-enhanced ultrafast two-dimensional spectroscopy. T. K. Allison. U.S. Patent number 10,620,048.