All-Optical Diode Action in Quasiperiodic Fibonacci Nanostructures

• Authors: A. Namdar , F. Ebadi-Garjan
• Languages of publication: EN

Abstracts

EN

We theoretically investigate the feasibility of nonreciprocal light propagation by using the unique features of quasiperiodic one-dimensional photonic crystals. The intrinsic spatial asymmetry of the Fibonacci sequence leads to strong non-reciprocal electric field distribution, so the nonlinear transmission becomes sensitive to the propagation direction. In this work we emphasise on bistability and all optical switching where the switching threshold for one propagation direction is lower than that for the other. In addition we demonstrate that this structure exhibits high transmission due to the existence of high transmission resonances in its linear transmission spectrum, and these features allow creating an all-optical diode.

Keywords

EN

42.65.-k; 42.70.-a; 78.20.-e

Discipline

• 42.70.-a: Optical materials(see also 81.05.-t Specific materials: fabrication, treatment, testing and analysis)
• 78.20.-e: Optical properties of bulk materials and thin films(for optical properties related to materials treatment, see 81.40.Tv; for optical materials, see 42.70-a; for optical properties of superconductors, see 74.25.Gz; for optical properties of rocks and minerals, see 91.60.Mk; for optical properties of specific thin films, see 78.66.-w)
• 42.65.-k: Nonlinear optics

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2013
• Volume: 123
• Issue: 1
• Pages: 45-47

Dates

published

2013-01

received

2012-06-07

Contributors

author

A. Namdar

• Faculty of Physics, University of Tabriz, Tabriz, Iran

author

F. Ebadi-Garjan

• Physics Department, Azarbaijan University of Tarbiat Moallem, Tabriz, Iran

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Identifiers

DOI

10.12693/APhysPolA.123.45