Abstract

The time-averaged longitudinal-mode power of a semiconductor laser coupled to a fiber changes drastically when an external force is applied to a multimode fiber terminated with an optical connector. No emission-spectra changes have been observed in the case of a single-mode fiber. This phenomenon is considered to be induced by the wavelength-dependent change of the reflected field speckle intensity coupled into the laser-active region.

© 1986 Optical Society of America

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