期刊
PHYSICAL REVIEW A
卷 82, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.82.043803
关键词
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资金
- DFG [FOR760]
- US-Israel Binational Science Foundation (BSF), Jerusalem, Israel
- AFOSR [FA 9550-10-1-0433]
- Direct For Computer & Info Scie & Enginr
- Division Of Computer and Network Systems [0959856] Funding Source: National Science Foundation
We show that nonlinear optical structures involving a balanced gain-loss profile can act as unidirectional optical valves. This is made possible by exploiting the interplay between the fundamental symmetries of parity (P) and time (T), with optical nonlinear effects. This unidirectional dynamics is specifically demonstrated for the case of an integrable PT-symmetric nonlinear system.
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