||D. A. B. Miller, "Optical Bistability
and Differential Gain Resulting from Absorption Increasing with Excitation," J. Opt.
Soc. Am. B1, 857-864 (1984).
An extended theoretical discussion of a novel
general method of obtaining optical bistability is given. The method uses absorption that
increases as the material becomes more excited and requires no mirrors or other external
feedback. Criteria for bistability and differential gain are derived for a simple case,
and specific illustrative analytic results are given. Limiting relations are derived for
the switching powers and the width of the bistable region. It is shown that this general
class of bistability encompasses at least six previous independent and unrelated
investigations of mirrorless bistability in specific physical systems. The common general
requirements for this bistability are discussed together with its attributes
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