CN104836001A - Second harmonic generating device for artificial surface plasmon polariton wave - Google Patents
Second harmonic generating device for artificial surface plasmon polariton wave Download PDFInfo
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- CN104836001A CN104836001A CN201510237596.1A CN201510237596A CN104836001A CN 104836001 A CN104836001 A CN 104836001A CN 201510237596 A CN201510237596 A CN 201510237596A CN 104836001 A CN104836001 A CN 104836001A
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- copper foil
- foil layer
- artificial surface
- dielectric substrate
- surface phasmon
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Abstract
The invention discloses a second harmonic generating device for artificial surface plasmon polariton wave, comprising a dielectric substrate, a first copper foil layer, a second copper foil layer, a metal sheet, and an active chip. The front and the back of the dielectric substrate are respectively coated with the first copper foil layer and the second copper foil layer. The first copper foil layer and the second copper foil layer are grating-shaped, and a contrast relationship structure is formed between the first copper foil layer and the second copper foil layer. The first copper foil layer is divided into two sections by the vertically arranged square metal sheet. The first copper foil layer and the second copper foil layer are connected by a metallized via hole. The active chip is disposed in the middle, is connected with the first copper foil layer by conductive adhesive, is connected with the first copper foil layer by a bonding line. According to the invention, an artificial surface plasmon polariton structure is adopted creatively. The structure has good physical properties and facilitates the manufacture of a cotype circuit and a low-crosstalk transmission line. Moreover, with more compact and excellent physical properties, the structure has a very wide application prospect.
Description
Technical field
The present invention relates to Novel manual electromagnetic material, be specifically related to a kind of second_harmonic generation device of artificial surface phasmon ripple.
Background technology
In optical band, surface phasmon ripple is a kind of a kind of special surface wave produced at metal and dielectric interface.The generation of this surface wave is that the electromagnetic wave phase mutual effect owing to being arranged in intrametallic free electron and medium forms plasma and shakes, because this special generation mechanism makes this surface phasmon have very special physical characteristic, wherein mainly contain following two character: degree of depth sub-wavelength effect and field local effect.Therefore this kind of special mode of electromagnetic wave has important using value in new optical devices, thus also result in the concern of the scientists in a lot of field.
But relevant technology is difficult to directly be used in lower frequency range (microwave and Terahertz frequency range), this is because lower than in far frequency range, metal shows as perfect electric conductor instead of plasma properties more.But being through the research of scientist, by the thought of artificial electromagnetic medium by building corresponding artificial Meta Materials, surface phasmon character can being realized.This surface phasmon ripple due to its intrinsic field local, field strengthens and sub-wavelength character can realize such as device miniaturization, remove interference and multiple potential application between transmission line neighbour, therefore, this transmission line is one of hope of Circuits System of future generation.
And high order harmonic component generation is one of typical apply of nonlinear effect, tool is of great significance.As everyone knows, because common material cannot produce the nonlinear effect that can be utilized, therefore need by active device.Compared to the diode originally used in Meta Materials field, the circuit based on field effect transistor can produce more significant nonlinear effect.
Therefore design a kind of efficient surface phasmon second_harmonic generation scheme and all have important promotion meaning for surface phasmon integrated circuit and system.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, a kind of second_harmonic generation device of artificial surface phasmon ripple is provided.
Technical scheme: the second_harmonic generation device of a kind of artificial surface phasmon ripple of the present invention, comprise dielectric substrate, first copper foil layer, second copper foil layer, sheet metal and active chip, the front and back of described dielectric substrate is respectively with (such as using printed-board technology to process) the first copper foil layer and the second copper foil layer, described first copper foil layer and the second copper foil layer are raster-like, and relational structure is seted off by contrast in formation between the first copper foil layer and the second copper foil layer, the square metal sheet that first copper foil layer is positioned essentially vertically in relation to one another is divided into two sections, first copper foil layer is connected by the via hole that metallizes with the second copper foil layer, described active chip is positioned in the middle of the first copper foil layer and the second copper foil layer, and is connected with the first copper foil layer by conducting resinl, is connected with the first copper foil layer by nation's alignment.
The above-mentioned relational structure that sets off by contrast refers to that the first copper foil layer and the second copper foil layer do upper and lower mirror image along the geometric center both it.
Further, described dielectric substrate is made up of F4B sheet material, and the thickness of dielectric substrate is 0.3 ~ 0.6mm, and its relative dielectric constant is 2.65, and loss tangent angle is 0.001.The sheet material of other models can also be used to prepare dielectric substrate.
Further, the square metal sheet that described first copper foil layer is positioned essentially vertically in relation to one another is divided into two sections, wherein, one section for cut-off frequency lower be input waveguide for transmitting the electromagnetic transmission waveguide of fundamental frequency, other one section for cut-off frequency higher be output waveguide for carry high frequency electromagnetic transmission waveguide.
The adjustment of working band and physical characteristic can being realized by the physical dimension changing input waveguide section and output waveguide section, can also can realize other high order harmonic components such as triple-frequency harmonics by using different chip.
Further, described input waveguide is connected with active chip respectively by nation's alignment with output waveguide.
Further, the thickness of described first copper foil layer is 0.01 ~ 0.04mm, such as, can be 0.018mm, adopts this Thickness Design to be convenient to obtain this copper-clad plate, and above-mentioned printed-board technology refer to copper-clad plate surface will the place of metal structure do not had to remove.
Beneficial effect: the present invention only needs the active chip of sub-wavelength dimensions just can reach corresponding object; ) because triode has ability DC energy being converted into AC energy, therefore the present invention's comparatively other traditional schemes, can realize the generation of the second harmonic of high-gain artificial surface phasmon ripple.
In addition, compared to other frequency multiplier of microwave section, the invention adopts artificial surface phasmon structure, and this structure has good physical characteristic, conveniently manufactures syntype circuit and low crosstalk transfer line; And this structure has more compact and outstanding physical characteristic, therefore there is suitable utilization prospect.
Accompanying drawing explanation
Fig. 1 is Facad structure schematic diagram of the present invention;
Fig. 2 is inverse layer structure schematic diagram of the present invention;
The input waveguide that Fig. 3 is different size in embodiment and the dispersion curve figure corresponding to output waveguide.
Embodiment
Below technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
As depicted in figs. 1 and 2, a kind of second_harmonic generation device of artificial surface phasmon ripple, comprise dielectric substrate 5, first copper foil layer 9, second copper foil layer 10, sheet metal 3 and active chip, the front and back of dielectric substrate 5 is respectively with the first copper foil layer 9 and the second copper foil layer 10, first copper foil layer 9 and the second copper foil layer 10 are in raster-like, and relational structure is seted off by contrast in formation between the first copper foil layer 9 and the second copper foil layer 10, the square metal sheet 3 that first copper foil layer 9 is positioned essentially vertically in relation to one another is divided into two sections, first copper foil layer 9 and the second copper foil layer 10 are connected by the via hole that metallizes (can ensure that structure is in the state on common ground like this, thus ensure source chip and can effectively work), active chip is positioned in the middle of the first copper foil layer 9 and the second copper foil layer 10, and is connected with the first copper foil layer 9 by conducting resinl, is connected with the first copper foil layer 9 by nation's alignment (in Fig. 1, the surrounding of sheet metal 3 is nation's alignment link position 4).
Above-mentioned, the first copper foil layer 9 and the second copper foil layer 10 are in raster-like, and the size of its grating and density can affect the dispersion characteristics of waveguide, can arrange according to actual needs.
Wherein, the square metal sheet 3 that first copper foil layer 9 is positioned essentially vertically in relation to one another is divided into two sections, wherein, one section for cut-off frequency lower be input waveguide 1 for transmitting the electromagnetic transmission waveguide of fundamental frequency, other one section for cut-off frequency higher be output waveguide 2 for carry high frequency electromagnetic transmission waveguide; Input waveguide is connected with active chip respectively by nation's alignment with output waveguide.Further, the installation site of the sheet metal 3 in Fig. 1 is also the installation site of active chip, and the bottom of sheet metal 3 is the setting position of metallization via hole.
Above-mentioned dielectric substrate 1 is made up of F4B sheet material, and the thickness of dielectric substrate 1 is 0.5mm, and its relative dielectric constant is 2.65, and loss tangent angle is 0.001.
Embodiment 1:
In the present embodiment, the size of input waveguide and output waveguide arranges as shown in table 1:
The physical dimension of table 1 input and output waveguide
Meanwhile, active part can select commercialization to be integrated with source chip, and its back side conducting resinl is stained with and is sticked in the first copper foil layer 9, and the first copper foil layer 9 and the second copper foil layer 10 are connected with metallization via hole, can ensure overall structure altogether like this.Conveniently test, the input waveguide in the present embodiment and output waveguide weld the sub-miniature A connector of a standard respectively, make whole system mate the coaxial waveguide with 50 ohm.Sheet metal 3 add malleation position 7 feed-in positive voltage 4.5V; Sheet metal 3 add negative pressure position 8 feed-in negative voltage-1.6V.
The present embodiment is by means of Agilent tester: signal generator (E8257D) and spectrum analyzer (E4447A) are effectively tested, wherein signal generator connects and input waveguide, spectrum analyzer is connected to output waveguide, obtain test result thus, as shown in table 2:
Table 2 experimental results
Above-mentioned experimental result and Fig. 3 can find out, the present invention all has good inhibitory action for fundamental frequency and triple-frequency harmonics, and have higher conversion gain for second harmonic, that is: the present invention is integrated with exciting of artificial surface phasmon and frequency multiplication, and there is the feature of broadband and high-gain, this makes it have very large utilization prospect in application aspect.
Claims (5)
1. the second_harmonic generation device of an artificial surface phasmon ripple, it is characterized in that: comprise dielectric substrate, the first copper foil layer, the second copper foil layer, sheet metal and active chip, the front and back of described dielectric substrate is respectively with the first copper foil layer and the second copper foil layer, described first copper foil layer and the second copper foil layer are raster-like, and formed between the first copper foil layer and the second copper foil layer and set off by contrast the square metal sheet that relational structure first copper foil layer is positioned essentially vertically in relation to one another and be divided into two sections, the first copper foil layer is connected by the via hole that metallizes with the second copper foil layer; Described active chip is positioned in the middle of the first copper foil layer and the second copper foil layer, and is connected with the first copper foil layer by conducting resinl, is connected with the first copper foil layer by nation's alignment.
2. the second_harmonic generation device of artificial surface phasmon ripple according to claim 1, it is characterized in that: described dielectric substrate is made up of F4B sheet material, the thickness of dielectric substrate is 0.3 ~ 0.6mm, and its relative dielectric constant is 2.65, and loss tangent angle is 0.001.
3. the second_harmonic generation device of artificial surface phasmon ripple according to claim 1, it is characterized in that: the square metal sheet that described first copper foil layer is positioned essentially vertically in relation to one another is divided into two sections, wherein, one section for cut-off frequency lower be input waveguide for transmitting the electromagnetic transmission waveguide of fundamental frequency, other one section for cut-off frequency higher be output waveguide for carry high frequency electromagnetic transmission waveguide.
4. the second_harmonic generation device of artificial surface phasmon ripple according to claim 3, is characterized in that: described input waveguide is connected with active chip respectively by nation's alignment with output waveguide.
5. the second_harmonic generation device of artificial surface phasmon ripple according to claim 3, is characterized in that: the thickness of described first copper foil layer is 0.01 ~ 0.04mm.
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| CN201510237596.1A CN104836001B (en) | 2015-05-11 | 2015-05-11 | A kind of second_harmonic generation device of artificial surface phasmon ripple |
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| CN201510237596.1A CN104836001B (en) | 2015-05-11 | 2015-05-11 | A kind of second_harmonic generation device of artificial surface phasmon ripple |
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| CN104836001B CN104836001B (en) | 2017-11-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428774A (en) * | 2015-12-21 | 2016-03-23 | 上海理工大学 | Method for increasing pseudo surface plasma transmission bandwidth |
| CN106654480A (en) * | 2016-12-28 | 2017-05-10 | 中国计量大学 | Stepped terahertz wave dual-channel filter |
| CN109639240A (en) * | 2018-12-20 | 2019-04-16 | 电子科技大学 | Terahertz frequency multiplier based on artificial surface phasmon |
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| JP2007078451A (en) * | 2005-09-13 | 2007-03-29 | Canon Inc | Prism with metal membrane and spectral analyzer using the same |
| US8004676B1 (en) * | 2007-02-09 | 2011-08-23 | The Research Foundation Of State University Of New York | Method for detecting analytes using surface plasmon resonance |
| CN102842744A (en) * | 2012-09-21 | 2012-12-26 | 东南大学 | Adjustable and controllable rainbow local area network controller |
| CN203277612U (en) * | 2013-06-04 | 2013-11-06 | 东南大学 | Apparatus for interconversion between micro-strips and surface Plasmon polaritons |
| CN104332686A (en) * | 2014-10-31 | 2015-02-04 | 东南大学 | Waveguide structure based on artificial surface plasmon device and amplifier |
-
2015
- 2015-05-11 CN CN201510237596.1A patent/CN104836001B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007078451A (en) * | 2005-09-13 | 2007-03-29 | Canon Inc | Prism with metal membrane and spectral analyzer using the same |
| US8004676B1 (en) * | 2007-02-09 | 2011-08-23 | The Research Foundation Of State University Of New York | Method for detecting analytes using surface plasmon resonance |
| CN102842744A (en) * | 2012-09-21 | 2012-12-26 | 东南大学 | Adjustable and controllable rainbow local area network controller |
| CN203277612U (en) * | 2013-06-04 | 2013-11-06 | 东南大学 | Apparatus for interconversion between micro-strips and surface Plasmon polaritons |
| CN104332686A (en) * | 2014-10-31 | 2015-02-04 | 东南大学 | Waveguide structure based on artificial surface plasmon device and amplifier |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428774A (en) * | 2015-12-21 | 2016-03-23 | 上海理工大学 | Method for increasing pseudo surface plasma transmission bandwidth |
| CN106654480A (en) * | 2016-12-28 | 2017-05-10 | 中国计量大学 | Stepped terahertz wave dual-channel filter |
| CN106654480B (en) * | 2016-12-28 | 2018-12-25 | 中国计量大学 | Stairstepping THz wave two channels filter |
| CN109639240A (en) * | 2018-12-20 | 2019-04-16 | 电子科技大学 | Terahertz frequency multiplier based on artificial surface phasmon |
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| CN104836001B (en) | 2017-11-03 |
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