Photonic crystal fiber with resonant-coupling higher-order-mode suppression

Benjamin G. Ward; Dallas M. Wright; Casey J. Eicholt; Chad G. Carlson

doi:10.1117/12.845599

17 February 2010 Photonic crystal fiber with resonant-coupling higher-order-mode suppression

Benjamin G. Ward, Dallas M. Wright, Casey J. Eicholt, Chad G. Carlson

Proceedings Volume 7580, Fiber Lasers VII: Technology, Systems, and Applications; 758011 (2010) https://doi.org/10.1117/12.845599
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

Non-axially symmetric micro-structured fibers including photonic crystal fibers and leakage channel fibers have been investigated as possible means to enable mode field area scaling while retaining low-loss fundamental mode propagation. In this paper we report on the theoretical and experimental investigation of a photonic crystal fiber designed for single-polarization operation in a coiled configuration incorporating a resonant higher-order mode suppressing structure within the cladding. We performed spatially and spectrally resolved (S2) imaging of the output of a 18.6 meter length of fiber when seeded with a broadband ASE source. We observed no trace of any localized or distributed scattering to higher order modes in the spatially resolved Fourier transformed output spectra indicating robust single-transverse-mode output.

Citation Download Citation

Benjamin G. Ward, Dallas M. Wright, Casey J. Eicholt, and Chad G. Carlson "Photonic crystal fiber with resonant-coupling higher-order-mode suppression", Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 758011 (17 February 2010); https://doi.org/10.1117/12.845599

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