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Waveguide coupling structure

A technology of coupling structure and waveguide, applied in the directions of light guide, optics, instruments, etc., can solve the problems of inability to guarantee the transmission efficiency of the waveguide, all-optical control, dependence on the intensity of the operating light, etc.

Active Publication Date: 2018-06-12
TSINGHUA UNIV
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  • Application Information

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Problems solved by technology

However, the application of these devices in all-optical computing still has great challenges, mainly in two aspects: first, the limitation and attenuation of the luminous flux by the size effect; second, the dependence of the modulation efficiency on the intensity of the operating light, due to the above For two reasons, the structure of existing optical devices cannot guarantee the transmission efficiency of the waveguide while achieving all-optical control

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Embodiment Construction

[0029] The object of the present invention is to provide a waveguide coupling structure to realize long-distance transmission and simple calculation of optical signals at the same time.

[0030] In order to make the above objects, features and advantages of the present invention more comprehensible, the technical invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] Such as figure 1 As shown, a waveguide coupling structure is applied to an all-optical computing chip, and the waveguide coupling structure includes a silicon base 1, an insulating layer 2, a plurality of silicon dioxide waveguide layers 3 and a plurality of metal waveguide layers 4 .

[0032] A plurality of the silicon dioxide waveguide layers 3 and a plurality of the metal waveguide layers 4 are arranged alternately in sequence, and are sequentially connected in series according to the arrangement sequence.

[0033] The silicon dioxi...

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Abstract

The invention discloses a waveguide coupling structure. Specifically, the waveguide coupling structure includes a silicon base, an insulating layer, a plurality of silicon dioxide waveguide layers anda plurality of metal waveguide layers; the silicon dioxide waveguide layers and the metal waveguide layers are sequentially arranged, and connected in series in sequence; the silicon dioxide waveguide layers and the metal waveguide layers sequentially arranged are disposed on the upper surface of the insulating layer; the insulating layer covers the upper surface of the silicon base. The waveguide coupling structure improves the transmission efficiency of waveguide and achieves all-optical control.

Description

technical field [0001] The invention relates to the field of optical devices, in particular to a waveguide coupling structure. Background technique [0002] All-optical signal processing in integrated photonic circuits and its applications in optical computing and communication require the realization of optical signal-to-optical signal control. In recent years, several all-optical devices based on nonlinear optical effects have been proposed, which are feasible in principle. However, the application of these devices in all-optical computing still has great challenges, mainly in two aspects: first, the limitation and attenuation of the luminous flux by the size effect; second, the dependence of the modulation efficiency on the intensity of the operating light, due to the above Due to two reasons, the structure of the existing optical device cannot guarantee the transmission efficiency of the waveguide and realize all-optical control at the same time. Contents of the inven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/122
CPCG02B6/1226
Inventor 张小平单欣岩吴永宇
Owner TSINGHUA UNIV