@article {39753,
	title = {Intrinsic optical bistability in a two-subband system in a semiconductor quantum well: analytical results},
	journal = {Journal of Applied Physics},
	volume = {109},
	year = {2011},
	publisher = {AIP Publishing},
	isbn = {0021-8979},
	author = {Kosionis, Spyridon G and Terzis, Andreas F and Constantinos Simserides and Paspalakis, Emmanuel}
}
