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Disorder mapping in VCSELs using frequency-selective feedback
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DOI：10.1364/OL.37.001079.png)
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Abstract
En 中文
We report on a simple method with a high spectral and spatial resolution for mapping variations in the cavity resonance of a plano-planar broad-area laser based on frequency-selective feedback. The demonstration experiment uses a vertical-cavity surface-emitting-laser (VCSEL), in which growth induced inhomogeneities are of particular importance. It relies only on a standalone laser with a narrow-bandwidth passive filter avoiding the need for an expensive tunable laser or high-resolution spectrometer. (C) 2012 Optical Society of America
Keywords:
SURFACE-EMITTING LASERS
TRANSVERSE SECTION
CAVITY SOLITONS
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