Issue |
EPL
Volume 97, Number 4, February 2012
|
|
---|---|---|
Article Number | 44007 | |
Number of page(s) | 5 | |
Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
DOI | https://doi.org/10.1209/0295-5075/97/44007 | |
Published online | 17 February 2012 |
Nonlinear Mach-Zehnder-Fano interferometer
1
Nonlinear Physics Centre and Centre for Ultra-high bandwidth Devices for Optical Systems (CUDOS), Australian National University - Canberra ACT 0200, Australia
2
Laboratory of Photonic Information Technology, School for Information and Optoelectronic Science and Engineering, South China Normal University - Guangzhou 510006, PRC
Received:
4
November
2011
Accepted:
17
January
2012
We demonstrate that the interaction of loop and nonlinear Fano resonances results in a formation of hybrid resonant states in Mach-Zehnder–type interferometers, providing opportunities for an advanced phase manipulation. The nonlinear response of such structures can be greatly enhanced, leading to a low-threshold 100% switching operation. We further propose one of the possible realizations based on nonlinear photonic crystal circuits, suitable for optimal all-optical switching.
PACS: 42.25.Bs – Wave propagation, transmission and absorption / 42.65.Pc – Optical bistability, multistability, and switching, including local field effects / 42.65.Wi – Nonlinear waveguides
© EPLA, 2012
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