Abstract
Recently, localized structures (LSs) in wide-aperture class-A bidirectional lasers have been predicted [1]. A bidirectional laser is a ring cavity laser in which emission is allowed to occur in the two possible axial directions, say clockwise and counterclockwise. However, the structures reported in [1] did not behave as cavity solitons (CSs), as they could not be written/erased without disturbing other neighboring LSs, which violates the basic requirement for information storage and manipulation. In [2] a solution for this drawback was proposed using an injection of a weak signal in one or the two counter-propagating fields.
© 2009 IEEE
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