B. H. P. Broks, J. Dijk, H. M. J. Bastiaens, K. J. Boller, and J. J. A. M. V. Mullen, “Study of a Pulsed Capillary Discharge Waveguide with a Modulated Radius,” Journal of Physical D: Applied Physics, Vol. 39, No. 11, 2006, pp. 2384-2390.
 Y. C. Huang and Y. Y. Lin, “Coupled-Wave Theory for Distributed-Feedback Optical Parametric Amplifiers and Oscillators,” Journal of the Optical Society of American B, Vol. 21, No. 4, 2004, pp. 777-790.
 N. Kim, S. Han, H. Ryu, H. Ryu, H. Ko, J. Park, D. Lee, M. Jeon and K. Park, “Distributed Feedback Laser Diode Integrated with Distributed Bragg Reflector for Continuous-Wave Terahertz Generation,” The International Journal of Optics, Vol. 20, No. 16, 2012, pp. 1749617502.
 B. D. Layer, A. York, T. M. Antonsen, S. Varma, Y.-H. Chen, Y. Leng and H. M. Milchberg, “Ultrahigh-Intensity Optical Slow-Wave Structure,” Physical Review Letters, Vol. 99, No. 3, 2007, pp. 035001-035004.
 J. P. Palastro, T. M. Antonsen, S. Morshed, A. G. York and H. M. Milchberg, “Pulse Propagation and Electron Acceleration in a Corrugated Plasma Channel,” Physical Review E, Vol. 77, No. 3, 2008, pp. 036405-036418.
 A. G. York, B. D. Layer, J. P. Palastro, T. M. Antonsen and H. M. Milchberg, “Ultrahigh-Intensity Optical Slow-Wave Structure for Direct Laser Electron Acceleration,” Journal of the Optical Society of American B, Vol. 25, No. 7, 2008, pp. 137-146.