Highly amplified light transmission in a parity-time symmetric multilayered structure

Applied Optics
Jyoti Prasad Deka, Amarendra K Sarma

Abstract

We propose a parity-time symmetric dielectric-nano-film-dielectric multilayered structure that could facilitate highly amplified transmission of optical power in the infrared spectrum. We have theoretically studied our model using the transfer-matrix formalism. The reflection and the transmission coefficients of the S-matrix are evaluated. The theoretical results are validated by FDTD numerical simulation. We have shown how the thickness of the layers and the gain/loss coefficient of the active layers could generate spectral singularities in the S-matrix and how these singularities could be exploited to achieve amplified transmission of a single wavelength through the structure.

References

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Jun 28, 2011·Physical Review Letters·Zin LinDemetrios N Christodoulides
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Aug 10, 2012·Nature·Alois RegensburgerUlf Peschel
Jan 15, 2013·Applied Optics·Thomas Essinger-Hileman
Mar 20, 2013·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·M DuanmuN Whitaker
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Nov 22, 2014·Science·Hossein HodaeiMercedeh Khajavikhan
Jul 22, 2015·Physical Review Letters·Xin-You LüYing Wu

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