Slow light generated via Brillouin scattering in small core chalcogenide photonic crystal fiber

A. Baili; R. Cherif; A. Ben Salem; A. Kumar; R. K. Sinha; M. Zghal

doi:10.1117/12.2188418

26 August 2015 Slow light generated via Brillouin scattering in small core chalcogenide photonic crystal fiber

A. Baili, R. Cherif, A. Ben Salem, A. Kumar, R. K. Sinha, M. Zghal

Proceedings Volume 9586, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IX; 95860P (2015) https://doi.org/10.1117/12.2188418
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

In this paper, we have calculated the highly efficient generation of the slow light based on the Stimulated Brillouin scattering (SBS) in a small core As₂Se₃ chalcogenide PCF. A Brillouin gain coefficient, g_B. of 9.05 10-9 m.W-1 is found around the acoustic frequency of 8.08 GHz in small core diameter of 1.69 μm with 1.5 μm² effective mode area at 1550 nm. A Brillouin gain of 77.3 dB was achieved with only 10 mW pump power in a 10-m fiber length, which leads to the optical time delay of 94 ns. In terms of the proposed figure of merit, it shows 2.77 dB/mW/m which is about 110 times more efficient than conventional single-mode fibers. These fibers are expected to have potential applications in realization of compact slow light devices.

Citation Download Citation

A. Baili, R. Cherif, A. Ben Salem, A. Kumar, R. K. Sinha, and M. Zghal "Slow light generated via Brillouin scattering in small core chalcogenide photonic crystal fiber", Proc. SPIE 9586, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IX, 95860P (26 August 2015); https://doi.org/10.1117/12.2188418

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