149829 20251017144547.0 doi 10.1364/OE.18.015201 sideral 72292 ART-2010-72292 eng Sevillano, P. (orcid)0000-0002-4094-3826 Brillouin induced self-heterodyne technique for narrow line width measurement 2010 Access copy available to the general public Unrestricted A novel technique is introduced for jitter-insensitive sub-KHz resolution linewidth characterization technique in ultra-narrow lasers for optical communication applications. The technique is based on selfheterodyne detection induced by Stimulated Brillouin Scattering (SBS). Non linear SBS drives the heterodyne mixing through optical frequency locking of a narrow tunable laser source and the signal under test, which is modulated in the low frequency range. Due to SBS nature, jitter variations in the optical frequency do not affect the correlation spectra measured with resolution figures up to 300 Hz, without the need for optical delay line as in conventional homodyne correlation techniques. info:eu-repo/grantAgreement/ES/MICINN/FIS2007-64443 info:eu-repo/semantics/openAccess All rights reserved http://www.europeana.eu/rights/rr-f/ 3.753 2010 OPTICS 5 / 78 = 0.064 2010 Q1 T1 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Subías, J. Universidad de Zaragoza (orcid)0000-0002-2244-170X Heras, C. Universidad de Zaragoza (orcid)0000-0001-5608-8679 Pelayo, J. Universidad de Zaragoza (orcid)0000-0002-3830-0055 Villuendas, F. Universidad de Zaragoza 2002 385 Universidad de Zaragoza Dpto. Física Aplicada Área Física Aplicada 5008 800 Universidad de Zaragoza Dpto. Ingeniería Electrón.Com. Área Teoría Señal y Comunicac. 2002 647 Universidad de Zaragoza Dpto. Física Aplicada Área Óptica 18, 14 (2010), 15201-15206 Opt. express OPTICS EXPRESS 1094-4087 1228783 http://zaguan.unizar.es/record/149829/files/texto_completo.pdf Versión publicada 2079647 http://zaguan.unizar.es/record/149829/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:149829 articulos driver 2025-10-17-14:10:08 ARTICLE