- Optics Letters, Vol. 34, Issue 23, pp. 3598-3600 (December 2009)
- A. Densmore, M. Vachon, D.-X. Xu, S. Janz, R. Ma, Y.-H. Li, G. Lopinski, A. Delâge, J. Lapointe, C. C. Luebbert, Q. Y. Liu, P. Cheben, J. H. Schmid
- Optics Express, Vol. 17, Issue 21, pp. 18971-18982 (October 2009)
- W. R. McKinnon, D. X. Xu, C. Storey, E. Post, A. Densmore, A. Delâge, P. Waldron, J. H. Schmid, S. Janz