All-optical modulation using two-photon absorption in silicon core optical fibers | Zendy

P. Mehta | Zendy; N. Healy | Zendy; T. D. Day | Zendy; Justin R. Sparks | Zendy; Pier J. A. Sazio | Zendy; John V. Badding | Zendy; Anna C. Peacock | Zendy

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All-optical modulation using two-photon absorption in silicon core optical fibers

Author(s) -

P. Mehta,

N. Healy,

T. D. Day,

Justin R. Sparks,

Pier J. A. Sazio,

John V. Badding,

Anna C. Peacock

Publication year - 2011

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.019078

Subject(s) - optics , materials science , extinction ratio , modulation (music) , two photon absorption , cross phase modulation , absorption (acoustics) , optical fiber , amorphous silicon , self phase modulation , optoelectronics , nonlinear optics , core (optical fiber) , wavelength , silicon , phase modulation , physics , laser , crystalline silicon , acoustics , phase noise

All-optical modulation based on degenerate and non-degenerate two-photon absorption (TPA) is demonstrated within a hydrogenated amorphous silicon core optical fiber. The nonlinear absorption strength is determined by comparing the results of pump-probe experiments with numerical simulations of the coupled propagation equations. Subpicosecond modulation is achieved with an extinction ratio of more than 4 dB at telecommunications wavelengths, indicating the potential for these fibers to find use in high speed signal processing applications.

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