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All-optical conditional logic with a nonlinear photonic crystal nanocavity
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10.1063/1.3265736
/content/aip/journal/apl/95/22/10.1063/1.3265736
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/22/10.1063/1.3265736
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic optical circuit for the joint-state nonlinear monitor. (1) Cavity 1 drops channel from a multimode waveguide. (2) is coupled into cavity 2 (nonresonantly). Cavity 2 supports two resonant modes, and , which are excited through separate waveguide channels (not shown). When arrives, (3) new frequencies are conditionally generated at and/or , depending on the population of cavity 2.

Image of FIG. 2.
FIG. 2.

Linear (blue) and second-order (red) scattering spectra from a two-mode cavity.

Image of FIG. 3.
FIG. 3.

(a) Spectrum of the OPO laser beam, showing the femtosecond pulse at and the prominent picosecond pulse at the frequency of the idler. A number of smaller features are also visible near the main idler peak. (b) Resonant scattering spectrum from the microcavity studied in Fig. 4, using the source as in (a), but slightly detuned.

Image of FIG. 4.
FIG. 4.

Spectra given by the interaction of a non-resonant, narrow-linewidth idler pulse, a resonant broadband laser pulse, and a two-mode PhC microcavity. The four second-order spectra (red) are plotted at half the measured energy. The signal pulse is tuned to higher energy for each spectrum , and so the idler tunes to lower energy. The amplitude of the low energy region has been multiplied by 10 for clarity. The solid blue curve shows the laser spectrum scattered from a nontextured region of the sample, as in Fig. 3(a). The dashed blue curves schematically show the signal pulse spectrum tuning to higher energies.

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/content/aip/journal/apl/95/22/10.1063/1.3265736
2009-11-30
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: All-optical conditional logic with a nonlinear photonic crystal nanocavity
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/22/10.1063/1.3265736
10.1063/1.3265736
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