Reduction of Guided Acoustic Wave Brillouin Scattering in Photonic Crystal Fibers
arXiv:quant-ph/0512044 · doi:10.1103/PhysRevLett.97.133901
Abstract
Guided Acoustic Wave Brillouin Scattering (GAWBS) generates phase and polarization noise of light propagating in glass fibers. This excess noise affects the performance of various experiments operating at the quantum noise limit. We experimentally demonstrate the reduction of GAWBS noise in a photonic crystal fiber in a broad frequency range using cavity sound dynamics. We compare the noise spectrum to the one of a standard fiber and observe a 10-fold noise reduction in the frequency range up to 200 MHz. Based on our measurement results as well as on numerical simulations we establish a model for the reduction of GAWBS noise in photonic crystal fibers.
4 pages, 7 figures; added numerical simulations, added references
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