[1] H. A. Haus. Waves and Fields in Optoelectronics(1984).
[2] T. Mossberg. Planar holographic optical processing devices. Opt. Lett., 26, 414-416(2001).
[17] T. G. Nguyen, G. Ren, S. Schoenhardt, M. Knoerzer, A. Boes, A. Mitchell. Ridge resonance: a new resonance phenomenon for silicon photonics harnessing bound states in the continuum(2018).