Coherent light generators – Particular resonant cavity – Distributed feedback
Patent
1995-04-25
1996-09-24
Bovernick, Rodney B.
Coherent light generators
Particular resonant cavity
Distributed feedback
372703, 359584, 359586, 359588, 359589, G02B 110, H01S 308
Patent
active
055598250
ABSTRACT:
A new optical diode is disclosed that permits unidirectional transmission of light, the direction of transmission depending on the direction of incidence. The diode comprises a stack of alternating layers of a low-index material and a high-index material. The layers are arranged within the stack such that there is spatial anisotropy of optical pathlengths in the stack and at least the low-index layers or the high-index layers have an optical nonlinearity, either inherently or by doping. At sufficiently high incident intensifies and appropriate wavelengths, such a diode exhibits partial transmission of input light incident from one direction while reflecting almost totally input light incident from the opposite direction.
REFERENCES:
patent: 5448404 (1995-09-01), Schrenk et al.
Yadava et al., "Optical Behaviour of Gradient Index Multilayer Films", Thin olid Films, 21(2),1974 (no month available), pp. 297-312.
Bloemer Mark J.
Bowden Charles M.
Dowling Jonathan P.
Scalora Michael
Bovernick Rodney B.
Chang Hay Kyung
Lane Anthony T.
Nutt Robert M.
The United States of America as represented by the Secretary of
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