All‐optical frequency chirp magnification based on four‐wave‐mixing for optical comb generation | Zendy

Du Jiangbing | Zendy; Yan Fangfang | Zendy

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All‐optical frequency chirp magnification based on four‐wave‐mixing for optical comb generation

Author(s) -

Du Jiangbing,

Yan Fangfang

Publication year - 2013

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2013.1376

Subject(s) - chirp , mixing (physics) , four wave mixing , magnification , optics , optical frequency comb , materials science , physics , optoelectronics , nonlinear optics , laser , quantum mechanics

An efficient optical comb generation method based on degenerated four‐wave‐mixing process in highly nonlinear fibre is demonstrated. The all‐optical processing of the frequency chirp is wavelength tunable and thus enables the capability of tunable chirp magnification. The magnification of the frequency chirp with a factor tunable from two to five has been demonstrated. An optical comb with 22 sub‐carriers has been obtained which refers to a bandwidth of 210 GHz, about five times the bandwidth of 40 GHz for the original signal.

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