K.  Roh, Lee, J., Dang, C., and Nurmikko, A., ?Spectroscopy of optical gain in low threshold colloidal quantum dot laser media: dominance of single-exciton states at room temperature?, Optical Materials Express, vol. 6, no. 12, p. 3776, 2016.

K.  Roh, Dang, C., Lee, J., Chen, S., Steckel, J. S., Coe-Sullivan, S., and Nurmikko, A., ?Surface-emitting red, green, and blue colloidal quantum dot distributed feedback lasers?, Optics Express, vol. 22, no. 15, p. 18800, 2014.