Integrated plasmonic modulator

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United States of America

PATENT NO 12189262
APP PUB NO 20220236619A1
SERIAL NO

17617603

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Abstract

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An optoelectronic device (20) includes thin film structures (56) disposed on a semiconductor substrate (54) and patterned to define components of an integrated drive circuit, which is configured to generate a drive signal. A back end of line (BEOL) stack (42) of alternating metal layers (44, 46) and dielectric layers (50) is disposed over the thin film structures. The metal layers include a modulator layer (48), which contains a plasmonic waveguide (36, 99, 105) and a plurality of electrodes (30, 32, 34, 96, 98, 106), which apply a modulation to surface plasmons polaritons (SPPs) propagating in the plasmonic waveguide in response to the drive signal. A plurality of interconnect layers are patterned to connect the thin film structures to the electrodes. An optical input coupler (38, 82) is configured to couple light into the modulator layer, whereby the light is modulated by the modulation of the SPPs, and an optical output coupler (38, 82) is configured to couple the modulated light out of the modulator layer.

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Patent Owner(s)

  • MELLANOX TECHNOLOGIES LTD.; ETH ZURICH; ARISTOTLE UNIVERSITY OF THESSALONIKI-RESEARCH COMMITTEE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bakopoulos, Paraskevas Ilion, GR 69 51
Hoessbacher, Claudia Zurich, CH 1 2
Kalavrouziotis, Dimitrios Papagou, GR 39 24
Leuthold, Juerg Neerach, CH 23 253
Mentovich, Elad Tel Aviv, IL 202 281
Tsiokos, Dimitrios Athens, GR 2 4

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