Variable differential-group-delay module without second-order PMD

Variable differential-group-delay module without second-order PMD

We propose a design for a variable differential-group-delay (DGD), formed by concatenation of four identical fixed DGD segments. Due to the symmetry involved, it produces zero second-order polarization mode dispersion (PMD). The generated third-order PMD is half the value of the conventional two-seg...

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Veröffentlicht in:Journal of lightwave technology 2002-09, Vol.20 (9), p.1788-1794
Hauptverfasser: Phua, P.B., Haus, H.A.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Birefringence
Circuit properties
Concatenated codes
Crystals
Delay
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fluctuations
Integrated optics. Optical fibers and wave guides
Mechanical variables control
Modules
Optical and optoelectronic circuits
Optical fiber polarization
Polarization mode dispersion
Segments
Stability
Symmetry
Tuning
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Beschreibung
Zusammenfassung:We propose a design for a variable differential-group-delay (DGD), formed by concatenation of four identical fixed DGD segments. Due to the symmetry involved, it produces zero second-order polarization mode dispersion (PMD). The generated third-order PMD is half the value of the conventional two-segment concatenation for variable DGD.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2002.802204