ULTRAFAST OPTICAL TEMPORAL DIFFERENTIATION DEVICE BASED ON OPTICAL WAVEGUIDE COUPLER

PURPOSE: An optical differentiator using a waveguide optical coupler is possible to do first and second differentiation corresponding to a manufacturing condition, thereby improving wavelength selectivity. CONSTITUTION: A different kind wavelength selection optical coupler is used as a coupler in ca...

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Bibliographic Details
Main Authors AHN, TAE JUNG, JEONG, HOE SEOK
Format Patent
LanguageEnglish
Korean
Published 16.01.2013
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:PURPOSE: An optical differentiator using a waveguide optical coupler is possible to do first and second differentiation corresponding to a manufacturing condition, thereby improving wavelength selectivity. CONSTITUTION: A different kind wavelength selection optical coupler is used as a coupler in case that a propagation constant of two optical fibers is the same. A differentiator experiment is processed with a light source, a wavelength selection optical coupler and a spectrum measuring device. A result differentiated by both sides of optical fibers is derived after a pulse inputted in the light source passes through the wavelength selection optical coupler. The spectrum measuring device confirms a differentiation result. [Reference numerals] (AA) Light source; (BB) Wavelength selection optical coupler; (CC) Spectrum measuring device
Bibliography:Application Number: KR20110067318