Groups working on photonic crystals and photonic band gap materials

Groups working on photonic band gap materials and related subjects are sorted by the country of origin.

	Australia	India	Sweden
	Austria	Israel	Switzerland
	Belgium	Italy	Turkey
	Belarus	Japan	UK
	Brazil	Korea	Ukraine
	Canada	Lithuania	USA
	China	Mexico	Yugoslavia
	Denmark	Netherlands
	France	Russia	International
	Germany	Slovakia
	Greece	Spain	Industry