Analysis and suppression of nonlinear frequency modulation in an optical frequency-domain reflectometer | Zendy

Kıvılcım Yüksel | Zendy; Marc Wuilpart | Zendy; Patrice Mégret | Zendy

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Analysis and suppression of nonlinear frequency modulation in an optical frequency-domain reflectometer

Author(s) -

Kıvılcım Yüksel,

Marc Wuilpart,

Patrice Mégret

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.005845

Subject(s) - optics , interferometry , frequency domain , frequency modulation , sweep frequency response analysis , spatial frequency , modulation (music) , frequency response , physics , signal processing , nonlinear system , radio frequency , telecommunications , acoustics , computer science , electrical engineering , quantum mechanics , computer vision , engineering , radar

A new method for monitoring the nonlinearities perturbing the optical frequency sweep in high speed tunable laser sources is presented. The swept-frequency monitoring system comprises a Mach-Zehnder interferometer and simple signal processing steps. It has been implemented in a coherent optical frequency domain reflectometer which allowed to drastically reduce the effects of nonlinear sweep, resulting to a spatial resolution enhancement of 30 times.

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