Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1988-10-31
1990-04-17
Lee, John D.
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
250 9613, 250 9614, 250 9619, G02B 612, G02F 129
Patent
active
049174509
ABSTRACT:
An embodiment of the disclosed device includes: two coupled laser diodes, emitting a light wave which is modulated in frequency and amplitude by electrical signals which control the selection of one among several interconnections and represent a sequence of binary data also included is an optical guide embedded in the surface of a semiconductor substrate and a diffraction grating etched on the surface of the guide and substrate, coupled to the guide to diffract the light in several directions depending on the wavelength as well as photodiodes respectively located in one of the directions where the light can be diffracted, to give an electrical signal representing the binary data transmitted in the direction corresponding to the photodiode. In other embodiments, the photodiodes are coupled to laser diodes by means of a holographic grating.
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Huignard Pierre J.
Papuchon Michel
Pocholle Jean P.
Puech Claude
Yannic Bourbin
"Thomson-CSF"
Heartney Phan T.
Lee John D.
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