Group delay ripple of cascaded Bragg grating gain flattening filters

Chirped fiber Bragg gratings used as gain flattening filters were fabricated with peak-to-peak group delay ripple (GDR) less then 3 ps. It is shown that GDR of cascaded similar filters grows as the square root of their number. Group delay measurement is discussed and ripple quantifiers using peak-to...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 14; no. 8; pp. 1130 - 1132
Main Authors Chotard, H., Painchaud, Y., Mailloux, A., Morin, M., Trepanier, F., Guy, M.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.08.2002
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Amplitudes
Bragg gratings
Delay
Fiber gratings
Fibers
Flattening
Fourier analysis
Frequency measurement
Frequency modulation
Gain
Group delay
Optical fiber filters
Optical filters
Ripples
Semiconductor optical amplifiers
Stimulated emission
Wavelength measurement
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Summary:Chirped fiber Bragg gratings used as gain flattening filters were fabricated with peak-to-peak group delay ripple (GDR) less then 3 ps. It is shown that GDR of cascaded similar filters grows as the square root of their number. Group delay measurement is discussed and ripple quantifiers using peak-to-peak amplitude root-mean-square amplitude 100-pm window averaged amplitude and highest Fourier amplitude are compared. GDR of gain flattening filters based on chirped fiber Bragg gratings should not cause significant impairments in systems operating at 10 and 40 Gb/s.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2002.1021992