Group delay behavior of phase-shifted DFB structures with gain/loss coupling is numerically analyzed below the lasing threshold condition. It is demonstrated that these structures can be used as widely tunable optical time delay lines.
© 2006 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1950) Diffraction and gratings : Diffraction gratings
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
M. Kulishov, J. M. Laniel, J. Azaña, N. Bélanger, and D. V. Plant, "Widely Tunable Time Delay Control in Phase-Shifted Gain/Loss Coupled Distributed Feedback Structures," in Slow and Fast Light, Technical Digest (CD) (Optical Society of America, 2006), paper TuD6.
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