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We present a novel distributed sensing technique that makes possible the observation of Brillouin gain spectral distribution and acoustic decay time in photonic crystal fiber as well as in standard single-mode fiber.
In this paper we report experimental investigation of slow light generation via SBS in Standard Single Mode Fiber (SSMF) and Photonic Crystal Fiber (PCF). The slow light region has been characterized in terms of gain, phase change and delay of optical probe signal as it swept across the narrowband slow light region.
The Brillouin gain coefficient of a 1.16-m-long bismuth oxide-based photonic crystal fiber is measured by using a beat lock-in probe detection scheme to overcome the limitation caused by considerable pump beam back-reflection at splicing points. gB is found to be ~4times10-11 m/W.
We present experimental results for a single mode, narrow linewidth, high power fiber amplifier which employs a novel large mode area photonic crystal fiber structure in the power amplification stage. The waveguide has been modified such that the fundamental mode has a flattened intensity profile. The redistribution of intensity increases the Stimulated Brillouin Scattering (SBS) threshold. A theoretical...
Phase-coded optical signal was spectrally translated from the conventional near-infrared communication band to the visible band. Spectrally narrow 780-nm pump was combined with phase-modulated 1575-nm signal in a small core photonic crystal fiber (PCF), to generate 518-nm idler through parametric process. The phase-modulated idler carrying 1-Gbps information was received in an error-free manner. The...
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