GES: Photonic Band Gap Materials - Condensed matter theory group at National Center for Scientific Research, France.Photonic Crystal Research - Group at MIT.
Photonic Crystal and Photonic Band Gap Links - Extensive, organized directory.
Photonic Band Gap Research Links - Extensive, organized directory.
Wave Crystal Group - Classical waves crystals, photonic crystals, sonic crystals, opals; Madrid, Spain.
The Photonic Band Gap - Research group, part of condensed matter physics, Ames Laboratory, Iowa State University.
Photonic and Sonic Band Gap Bibliography - Reference bibliography for papers on optical and acoustic photonic band gaps.
Photonic Crystal Fiber - Optoelectronics group research at the University of Bath.
Photonic Band Gap Materials - Andrew L. Reynolds photonic crystal web site download Translight a freeware TMM software for analysing periodic materials.