A second harmonic generation device for artificial surface plasmon waves
A technology of second harmonic generation and artificial surface plasma, applied in electrical components, waveguide devices, optics, etc., can solve problems such as non-linear effects, and achieve convenient common circuit and low crosstalk transmission lines, good physical properties, effects of excellent physical properties
Active Publication Date: 2017-11-03
SOUTHEAST UNIV
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Problems solved by technology
As we all know, since ordinary materials cannot produce nonlinear effects that can be exploited, it is necessary to resort to active devices
Method used
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Embodiment 1
[0025] In this embodiment, the dimensions of the input waveguide and the output waveguide are set as shown in Table 1:
[0026] Table 1 Geometric dimensions of input and output waveguides
[0027]
[0028] At the same time, the active part can be a commercial integrated active chip, the back of which is glued to the first copper foil layer 9 with conductive adhesive, and the first copper foil layer 9 and the second copper foil layer 10 are connected by metallized via holes. This can ensure the overall structure common ground. For the convenience of testing, the input waveguide and the output waveguide in this embodiment are respectively welded with a standard SMA connector, so that the whole system matches with a 50 ohm coaxial waveguide. Positive voltage 4.5V is fed into position 7 of metal sheet 3 for applying positive voltage; position 8 of metal sheet 3 for applying negative voltage is fed with negative voltage -1.6V.
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Abstract
The invention discloses a second harmonic generation device for artificial surface plasmon waves, comprising a dielectric substrate, a first copper foil layer, a second copper foil layer, a metal sheet and an active chip, the front surface of the dielectric substrate and The first copper foil layer and the second copper foil layer are respectively attached to the back, and the first copper foil layer and the second copper foil layer are in the shape of a grating, and a contrasting relationship structure is formed between the first copper foil layer and the second copper foil layer. A copper foil layer is divided into two sections by a vertically arranged square metal sheet. The first copper foil layer is connected to the second copper foil layer through metallized via holes; the active chip is located in the middle, and is connected to the first copper foil layer through conductive glue. The foil layers are connected to each other, and are connected to the first copper foil layer through bonding wires. The present invention creatively adopts the artificial surface plasmon structure, which has better physical properties and is convenient for manufacturing common-type circuits and low-crosstalk transmission lines; and the structure has more compact and excellent physical properties, so it has a wide range of applications. Use foreground.
Description
technical field [0001] The invention relates to a novel artificial electromagnetic material, in particular to a second harmonic generation device of an artificial surface plasmon wave. Background technique [0002] In the optical band, the surface plasmon wave is a special surface wave generated at the interface between metal and medium. The generation of this surface wave is due to the interaction between the free electrons in the metal and the electromagnetic wave in the medium to form a plasma oscillation. Because of this special generation mechanism, this surface plasmon has very special physical characteristics, mainly including The following two properties: deep subwavelength effect and field localization effect. Therefore, this special electromagnetic wave mode has important application value in new optical devices, which has also attracted the attention of scientists in many fields. [0003] However, it is difficult for related technologies to be directly applied t...
Claims
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IPC IPC(8): H01P1/213G02F1/37G02F1/365G02F1/35
Inventor 崔铁军张浩驰范逸风郭健李连鸣钱澄
Owner SOUTHEAST UNIV