All-optically switchable photonic crystal fiber

Yu-chang Lin; Sheng-Che Huang; Vincent K. S. Hsiao

doi:10.1117/12.825044

21 August 2009 All-optically switchable photonic crystal fiber

Yu-chang Lin, Sheng-Che Huang, Vincent K. S. Hsiao

Proceedings Volume 7420, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications III; 74200Y (2009) https://doi.org/10.1117/12.825044
Event: SPIE Photonic Devices + Applications, 2009, San Diego, California, United States

Abstract

We have achieved an all-optical tuning in photonic crystal fiber (PCF) by filling the photoresponsive liquid crystal (LC) into the air-hole cladding. The photo-induced phase transformation of the photoresponsive LC modulates the effective refractive index of the photoresponsive LC-filled air-hole cladding, thereby creating an optically tunable environment. Under the laser irradiation the output intensity of guided light can be modulated by the photoresponsive LC-filled photonic bandgap structure. The tuning behavior of the guided light is independent on the polarization direction by using the linear-polarized He-Ne laser as probe. We also demonstrate the potential use of photoresponsive LC-filled PCF in all-optical communication device using an optical spectrum of wide bandwidth amplified from an erbium-doped fiber amplifier (EDFA) system.

Citation Download Citation

Yu-chang Lin, Sheng-Che Huang, and Vincent K. S. Hsiao "All-optically switchable photonic crystal fiber", Proc. SPIE 7420, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications III, 74200Y (21 August 2009); https://doi.org/10.1117/12.825044

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