Conditions of perfect imaging in negative refraction materials with gain

Haowen Liang, Yifeng Shao, Jianying Zhou, Boris A. Malomed, Gershon Kurizki*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Light propagation is analyzed in a negative refraction material (NRM) with gain achieved by pumping. An inherent spatial walk-off between the directions of phase propagation and energy transfer is known to exist in lossy NRMs. Here, the analysis is extended to the case where the NRM acts as an active material under various pumping conditions. It is shown that the condition for perfect imaging is only possible for specific wavelengths under special excitation conditions. Under excessive gain, the optical imaging can no longer be perfect.

Original languageEnglish
Article number347875
JournalAdvances in OptoElectronics
StatePublished - 2012


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