backreflector

Dispersion of backward-propagating waves in a surface defect on a 3D photonic band gap crystal
T. J. Vreman, M. J. Goodwin, L. J. Corbijn van Willenswaard, W. L. Barnes, A. Lagendijk, and W. L. Vos
Phys. Rev. B 112, 155305: 1-14 (2025)

Enhanced absorption in thin and ultrathin silicon films by 3D photonic band gap back reflectors
D. Sharma, S. B. Hasan, R. Saive, J. J. W. van der Vegt, and W. L. Vos
Opt. Express 29, 41023-41047 (2021)