Journal ArticleDOI
Enhancement of nonlinear effects using photonic crystals.
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TLDR
If all-optical devices using photonic crystal designs promise to be smaller than the wavelength of light, and to operate with bandwidths that are very difficult to achieve electronically, operation at single-photon power levels could be feasible.Abstract:
The quest for all-optical signal processing is generally deemed to be impractical because optical nonlinearities are usually weak. The emerging field of nonlinear photonic crystals seems destined to change this view dramatically. Theoretical considerations show that all-optical devices using photonic crystal designs promise to be smaller than the wavelength of light, and to operate with bandwidths that are very difficult to achieve electronically. When created in commonly used materials, these devices could operate at powers of only a few milliwatts. Moreover, if these designs are combined with materials and systems that support electromagnetically induced transparency, operation at single-photon power levels could be feasible.read more
Citations
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Fano resonances in nanoscale structures
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Plasmonics in graphene at infrared frequencies
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Slow light in photonic crystals
TL;DR: In this article, the background theory of slow light, as well as an overview of recent experimental demonstrations based on photonic-band engineering are reviewed, and practical issues related to real devices and their applications are also discussed.
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Vacuum Rabi splitting in semiconductors
TL;DR: In this paper, the progress so far in obtaining true quantum-optical strong coupling effects in semiconductors is reviewed and a nonlinear test for the true quantum limit is proposed.
Journal ArticleDOI
Complete optical isolation created by indirect interband photonic transitions
Zongfu Yu,Shanhui Fan +1 more
TL;DR: It is shown here that a linear, broadband and non-reciprocal isolation can be accomplished by spatial–temporal refractive index modulations that simultaneously impart frequency and wavevector shifts during the photonic transition process.
References
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Journal ArticleDOI
All-optical transistor action with bistable switching in a photonic crystal cross-waveguide geometry
TL;DR: All-optical switching action in a nonlinear photonic crystal cross-waveguide geometry with instantaneous Kerr nonlinearity is demonstrated, in which the transmission of a signal can be reversibly switched on and off by a control input.
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Design of photonic crystal microcavities for cavity QED
TL;DR: Numerical predictions for the quality factors and mode volumes of localized defect modes as a function of geometric parameters are presented and some experimental challenges related to the coupling of a defect cavity to gas-phase atoms are discussed.
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Tight-binding description of the coupled defect modes in three-dimensional photonic crystals
TL;DR: The eigenmode splitting due to coupling of the evanescent defect modes in three-dimensional photonic crystals was well explained with a theory based on the classical wave analog of the tight-binding formalism in solid state physics.
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Phase matching using an isotropic nonlinear optical material
TL;DR: In this paper, a quasi-phase matching scheme was proposed to compensate for optical dispersion, which results in different phase velocities for light of different frequencies in anisotropic birefringent crystals.
Journal ArticleDOI
Nonlinear photonic crystal microdevices for optical integration.
TL;DR: A four-port nonlinear photonic crystal system is discussed that exhibits optical bistability with negligible backscattering to the inputs, making it particularly suitable for integration with other active devices on the same chip.