论文信息 - Self-phase-modulation effects in frequency-doubling fibers studied by the heat scan technique

Self-phase-modulation effects in frequency-doubling fibers studied by the heat scan technique

In this work we use a simple and powerful technique (Heat scan) to characterize frequency doubling gratings in fibers. The technique is based on scanning a small heating element along the fiber, thereby affecting the phase relationship of the involved waves in a controlled way. We present recent measurements of the time evolution of the (chi) (2) grating during the preparation process, and discuss aspects of the grating phase.

Walter Margulis | Isabel C. S. Carvalho | Bernhard Lesche | Monica M. Lacerda | I. B. Couceiro

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