Noise in supercontinuum generated using PM and non-PM tellurite glass all-normal dispersion fibers

D. S. Shreesha Rao*, Tanvi Karpate, Amar Nath Ghosh, Iván B. Gonzalo, Mariusz Klimczak, Dariusz Pysz, Ryszard Buczyński, Cyril Billet, Ole Bang, John M. Dudley, Thibaut Sylvestre

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Intensity fluctuations in supercontinuum generation are studied in polarization-maintaining (PM) and non-PM all-normal dispersion tellurite photonic crystal fibers. Dispersive Fourier transformation is used to resolve the shot-to-shot spectra generated using 225-fs pump pulses at 1.55 µm, with experimental results well reproduced by vector and scalar numerical simulations. By comparing the relative intensity noise for the PM and non-PM cases, supported by simulations, we demonstrate the advantage of the polarization-maintaining property of the PM fibers in preserving low-noise dynamics. We associate the low-noise in the PM case with the suppression of polarization modulation instability.

Original languageEnglish
JournalOptics Letters
Volume47
Issue number10
Pages (from-to)2550-2553
ISSN0146-9592
DOIs
Publication statusPublished - 15 May 2022

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