Nonlinear liquid crystalline directional coupler

Miroslaw A. Karpierz , Marcin Swillo , Tomasz Woliński , Marek Sierakowski , Andrzej Domański


A polished fiber half coupler with a nematic liquid crystal as a multimode planar waveguide overlay has been investigated. Experimental results show an existence of optical bistability with contrast approximately 40 percent for laser power approximately 340mW at (lambda) equals 514 nm. Observation of the optical bistability is explained as a result of an optically induced reorientational effect in a liquid crystalline layer.
Author Miroslaw A. Karpierz ZOiF
Miroslaw A. Karpierz,,
- Optics and Photonics Division
, Marcin Swillo
Marcin Swillo,,
, Tomasz Woliński ZOiF
Tomasz Woliński,,
- Optics and Photonics Division
, Marek Sierakowski ZOiF
Marek Sierakowski,,
- Optics and Photonics Division
, Andrzej Domański ZOiF
Andrzej Domański,,
- Optics and Photonics Division
Book , vol. 3318, 1998
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