All-optical coherent stopping, storage, and time-reversal of light

Mehmet Fatih Yanik; Shanhui Fan

doi:10.1117/12.582843

25 October 2004 All-optical coherent stopping, storage, and time-reversal of light

Mehmet Fatih Yanik, Shanhui Fan

Proceedings Volume 5597, Nanophotonics for Communication: Materials and Devices; (2004) https://doi.org/10.1117/12.582843
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

We show that the use of tunable photonic structures opens up unprecedented possibilities in information processing. In particular, we introduce an all-optical adiabatic bandwidth compression and frequency conversion process that overcomes the classical bandwidth-delay constraint in optics. This process requires only very small index modulations (δn/n<10^-4) performed at moderate speeds, and yet can alter the spectrum of a photon almost at will. As examples of this process, we show how light pulses can be stopped and stored all-optically in multitude of systems without using any resonant or coherent electronic interactions. We also show how light pulses can be time-reversed using only linear optical elements and modulators. Such systems open up new opportunities in both fundamental sciences and technological applications.

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Mehmet Fatih Yanik and Shanhui Fan "All-optical coherent stopping, storage, and time-reversal of light", Proc. SPIE 5597, Nanophotonics for Communication: Materials and Devices, (25 October 2004); https://doi.org/10.1117/12.582843

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KEYWORDS

Waveguides

Modulation

Photonic crystals

Finite-difference time-domain method

Refractive index

Dielectrics

Frequency conversion

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