CN201716434U - Integrated unit based on resonant cavity array - Google Patents
Integrated unit based on resonant cavity array Download PDFInfo
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- CN201716434U CN201716434U CN2010202722226U CN201020272222U CN201716434U CN 201716434 U CN201716434 U CN 201716434U CN 2010202722226 U CN2010202722226 U CN 2010202722226U CN 201020272222 U CN201020272222 U CN 201020272222U CN 201716434 U CN201716434 U CN 201716434U
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- waveguide
- resonant cavity
- micro resonant
- cavity
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Abstract
An integrated unit based on resonant cavity array is in a miniature resonant cavity array structure with multiple channels and used for wavelength selection. The array structure comprises a plurality of multiple-channel miniature resonant cavity 2*2 array units, a first miniature resonant cavity (111), a second miniature resonant cavity (112), a third miniature resonant cavity (113), a fourth miniature resonant cavity (114), a first waveguide (211), a second waveguide (212), a third waveguide (213), a fourth waveguide (214) and four modulating electrodes are arranged on each multi-channel miniature cavity 2*2 array unit, and the four waveguides are perpendicularly arranged in an intersecting manner. The array structure changes an input end and an output end of the structure by arranging the resonant cavities at different positions of the input waveguides and the output waveguides so as to realize multi-directional transmission of light waves. The structure made by micrometer/nanometer integrated photoelectron technology, has the advantages of small volume, light weight, low cost and the like, and is applicable to large-scale production.
Description
Technical field
The utility model relate to a kind of be used for that wavelength selects have a multichannel micro resonant cavity array structure, belong to the integrated optics technique field.
Background technology
The light micro resonant cavity can produce resonance with the optical wavelength that satisfies its condition of resonance and strengthen.Its basic structure comprises the miniature resonant cavity waveguide of a sealing and one or two bus waveguides on ring waveguide next door.Wherein ring waveguide can be an Any shape, circle, oval, racetrack; Bus waveguide is generally straight wave guide, as the channel of input and output.Can select a plurality of wavelength with a plurality of micro resonant cavities and Duo Gen input and output waveguide, and the structure that this a plurality of resonator cavity and waveguide are formed is the micro resonant cavity array structure.In structure, select specified wavelength from that port output of that direction, to the whole node device, and even whole network all has crucial influence.This just needs us to design novel can to realize multidirectional even arbitrarily to the micro resonant cavity array structure of passage.This patent has designed the three kinds of micro resonant cavity array structures that can realize multidirectional and any to passage at this point just.
Summary of the invention
Technical matters: the utility model proposes a kind of be used for that wavelength selects have a multichannel integrated unit based on resonant cavity array.Should utilize the resonance effect of waveguide dish/ring resonator based on the integrated unit of resonant cavity array, realize the multidirectional and any function of different wavelengths of light to passage.
Technical scheme: each micro resonant cavity is in the diverse location of crossing waveguide, has determined the input/output port of light wave transmissions.The resonance wavelength of each micro resonant cavity is directly proportional with its size and effective refractive index, just can change its resonance wavelength as long as change the refractive index of resonator cavity.By the mode that heats, powers up, can change the index distribution of resonator cavity.The utility model proposes a kind of be used for that wavelength selects have a multi-channel miniature resonant cavity array structure,
First kind of scheme: this array structure is combined by a plurality of multi-channel miniature resonator cavity 2 * 2 array elements, and each multi-channel miniature resonator cavity 2 * 2 array element is provided with 4 micro resonant cavities i.e. first micro resonant cavity, second micro resonant cavity, the 3rd micro resonant cavity, the 4th micro resonant cavity, 4 i.e. first waveguide of waveguide, second waveguide, the 3rd waveguide, the 4th waveguide and four modulator electrodes that square crossing is placed; Wherein, first waveguide, second waveguide and the 3rd waveguide, the 4th waveguide square crossing are placed and are constituted the groined type structure, first micro resonant cavity is positioned at first waveguide and the crossing first quartile of second waveguide, second micro resonant cavity is positioned at first waveguide and the crossing third quadrant of the 4th waveguide, the 3rd micro resonant cavity is positioned at the 3rd waveguide and the second crossing quadrant of the 4th waveguide, and the 4th micro resonant cavity is positioned at second waveguide and the crossing four-quadrant of the 4th waveguide; First modulator electrode, second modulator electrode, the 3rd modulator electrode, the 4th modulator electrode lay respectively at by first micro resonant cavity, second micro resonant cavity, the 3rd micro resonant cavity, the 4th micro resonant cavity.
Second kind of scheme: described first micro resonant cavity is positioned at first waveguide and the second crossing quadrant of second waveguide, and the 4th micro resonant cavity is positioned at second waveguide and the crossing third quadrant of the 4th waveguide.
The third scheme: described array structure is combined by a plurality of multi-channel miniature resonator cavity 2 * 2 array elements, each logical multiple tracks micro resonant cavity 2 * 2 array element is provided with i.e. first micro resonant cavity of 4 micro resonant cavities, second micro resonant cavity, the 3rd micro resonant cavity, the 4th micro resonant cavity, 4 i.e. first waveguides of waveguide that square crossing is placed, second waveguide, the 3rd waveguide, the 4th waveguide, four modulator electrodes and be positioned in the middle of the middle part resonator cavity, wherein, first waveguide, second waveguide and the 3rd waveguide, the 4th waveguide square crossing is placed and is constituted the groined type structure, first micro resonant cavity is between first waveguide and middle resonator cavity, second micro resonant cavity is between the 4th waveguide and middle resonator cavity, the 3rd micro resonant cavity is between the 3rd waveguide and middle resonator cavity, and the 4th micro resonant cavity is between second waveguide and middle resonator cavity; First modulator electrode, second modulator electrode, the 3rd modulator electrode, the 4th modulator electrode lay respectively at by first micro resonant cavity, second micro resonant cavity, the 3rd micro resonant cavity, the 4th micro resonant cavity.
Described micro resonant cavity is the cavity resonator structure of annular, dish type or regular polygon; Modulator electrode uses electrooptical modulation, hot optical modulation or acoustooptic modulation mode.
Ring/dish type the resonator cavity and the I/O passage of the composition wave filter that the present invention proposes, used material can be silicon or silicide, lithium phosphate, III-V compounds of group, polymkeric substance etc.
Beneficial effect: the beneficial effects of the utility model are, form by micrometer/nanometer integrated opto-electronic fabrication techniques, have that volume is little, in light weight, low cost and other advantages, be applicable to large-scale production, adopt the present invention to carry to inscribe structure can realize multidirectional and arbitrarily to transmission.
Description of drawings
Fig. 1 has hyperchannel micro-ring resonant cavity array structure 1 synoptic diagram.
Fig. 2 has hyperchannel micro-ring resonant cavity array structure 2 synoptic diagram.
Fig. 3 is to the western 1 port output of Fig. 2 structure simulation result (a) spectral line, (b) southern 2 ports output spectral line, (c) eastern 2 ports output spectral line.
Fig. 4 has hyperchannel micro-ring resonant cavity array structure 3 synoptic diagram.
Fig. 5 micro resonant cavity array structure, this array structure is combined by a plurality of 2 * 2 micro resonant cavity array elements.
Have among the above figure: first micro resonant cavity 111, second micro resonant cavity 112, the 3rd micro resonant cavity 113, the 4th micro resonant cavity 114, first waveguide 211, second waveguide 212, the 3rd waveguide 213, the 4th waveguide 214, first modulator electrode 311, second modulator electrode 312, the 3rd modulator electrode 313, the 4th modulator electrode 314, middle resonator cavity 4.
Embodiment
Integrated unit based on resonant cavity array of the present utility model is combined by a plurality of multi-channel miniature resonator cavity 2 * 2 array elements, and each multi-channel miniature resonator cavity 2 * 2 array element is provided with i.e. first waveguide 211 of waveguide, second waveguide 212, the 3rd waveguide 213, the 4th waveguide 214 and four modulator electrodes that i.e. first micro resonant cavity 111, second micro resonant cavity 112, the 3rd micro resonant cavity 113,114,4 square crossings of the 4th micro resonant cavity of 4 micro resonant cavities are placed; Wherein, first waveguide 211, second waveguide 212 and the 3rd waveguide 213, the 4th waveguide 214 square crossings are placed and are constituted the groined type structure, first micro resonant cavity 111 is positioned at the first quartile that first waveguide 211 and second waveguide 212 are intersected, second micro resonant cavity 112 is positioned at the third quadrant that first waveguide 211 and the 4th waveguide 214 are intersected, the 3rd micro resonant cavity 113 is positioned at second quadrant that the 3rd waveguide 213 and the 4th waveguide 214 are intersected, and the 4th micro resonant cavity 114 is positioned at the four-quadrant that second waveguide 212 and the 4th waveguide 214 are intersected; First modulator electrode 311, second modulator electrode 312, the 3rd modulator electrode 313, the 4th modulator electrode 314 lay respectively at first micro resonant cavity 111, second micro resonant cavity 112, the 3rd micro resonant cavity 113, the 4th micro resonant cavity 114 sides.
Second kind of scheme: described first micro resonant cavity 111 is positioned at second quadrant that first waveguide 211 and second waveguide 212 are intersected, and the 4th micro resonant cavity 114 is positioned at the third quadrant that second waveguide 212 and the 4th waveguide 214 are intersected.
The third scheme: described array structure is combined by a plurality of multi-channel miniature resonator cavity 2 * 2 array elements, each multi-channel miniature resonator cavity 2 * 2 array element is provided with i.e. first micro resonant cavity 111 of 4 micro resonant cavities, second micro resonant cavity 112, the 3rd micro resonant cavity 113, the 4th micro resonant cavity 114,4 i.e. first waveguides 211 of waveguide that square crossing is placed, second waveguide 212, the 3rd waveguide 213, the 4th waveguide (214), four modulator electrodes 3 and be positioned in the middle of middle part resonator cavity 4, wherein, first waveguide 211, second waveguide 212 and the 3rd waveguide 213, the 4th waveguide 214 square crossings are placed and are constituted the groined type structure, first micro resonant cavity 111 is between first waveguide 211 and middle resonator cavity 4, second micro resonant cavity 112 is between the 4th waveguide 214 and middle resonator cavity 4, the 3rd micro resonant cavity 113 is between the 3rd waveguide 213 and middle resonator cavity 4, and the 4th micro resonant cavity 114 is between second waveguide 212 and middle resonator cavity 4; First modulator electrode 311, second modulator electrode 312, the 3rd modulator electrode 313, the 4th modulator electrode 314 lay respectively at first micro resonant cavity 111), second micro resonant cavity 112, the 3rd micro resonant cavity 113, the 4th micro resonant cavity 114 be other.
Described micro resonant cavity is the cavity resonator structure of annular, dish type or regular polygon; Modulator electrode uses electrooptical modulation, hot optical modulation or acoustooptic modulation mode.
Fig. 1 has hyperchannel micro-ring resonant cavity array structure 1 synoptic diagram and light wave can the passage route in its structure, from the transmission path table of Fig. 1 as can be seen this structure be different from traditional resonant cavity array can only one-way transmission, realized the thing transmitted in both directions.This structure can be imported in three directions, is respectively " west ", " east " and " north ".Same, can be from " west ", " east " and " south " three direction outputs.As can be seen, this structure has the reverse transfer function from the figure, promptly from " west 1 " port input by ring resonator 111, ring resonator 113 rings can be from " west 2 " port output.Modulating device is used to change the index distribution of ring resonator, thereby changes its resonance wavelength, realizes wavelength selection function.
It is as shown in the table that light wave can transmission path in this structure.
Fig. 2 has hyperchannel micro-ring resonant cavity array structure 2 synoptic diagram and light wave can transmission route in its structure, from the transmission path table of Fig. 2 as can be seen this structure not only can realize the thing transmitted in both directions, more can realize transmitted in both directions in the north-south.From the optical wavelength of arbitrary port input, can be by this structure from four different directions outputs.It is as shown in the table that light wave can transmission path in this structure.
Fig. 3 is to the western 1 port output of Fig. 2 structure simulation result (a) spectral line, (b) southern 2 ports output spectral line, (c) eastern 2 ports output spectral line.
Fig. 4 has hyperchannel micro-ring resonant cavity array structure 3 synoptic diagram and light wave can transmission route in its structure, from the transmission path table of Fig. 4 as can be seen this structure not only can realize the thing transmitted in both directions, more can realize transmitted in both directions in the north-south.From the optical wavelength of arbitrary port input, can be by this structure from four different directions outputs.It is as shown in the table that light wave can transmission path in this structure.
Claims (4)
1. integrated unit based on resonant cavity array, it is characterized in that this array structure is combined by a plurality of multi-channel miniature resonator cavity 2 * 2 array elements, each multi-channel miniature resonator cavity 2 * 2 array element is provided with 4 micro resonant cavities i.e. first micro resonant cavity (111), second micro resonant cavity (112), the 3rd micro resonant cavity (113), the 4th micro resonant cavity (114), 4 i.e. first waveguide (211) of waveguide, second waveguide (212), the 3rd waveguide (213), the 4th waveguide (214) and four modulator electrodes that square crossing is placed; Wherein, first waveguide (211), second waveguide (212) and the 3rd waveguide (213), the 4th waveguide (214) square crossing is placed and is constituted the groined type structure, first micro resonant cavity (111) is positioned at first waveguide (211) and the crossing first quartile of second waveguide (212), second micro resonant cavity (112) is positioned at first waveguide (211) and the crossing third quadrant of the 4th waveguide (214), the 3rd micro resonant cavity (113) is positioned at the 3rd waveguide (213) and the second crossing quadrant of the 4th waveguide (214), and the 4th micro resonant cavity (114) is positioned at second waveguide (212) and the crossing four-quadrant of the 4th waveguide (214); First modulator electrode (311), second modulator electrode (312), the 3rd modulator electrode (313), the 4th modulator electrode (314) lay respectively at first micro resonant cavity (111), second micro resonant cavity (112), the 3rd micro resonant cavity (113), the 4th micro resonant cavity (114) side.
2. the integrated unit based on resonant cavity array as claimed in claim 1, it is characterized in that described first micro resonant cavity (111) is positioned at first waveguide (211) and the second crossing quadrant of second waveguide (212), the 4th micro resonant cavity (114) is positioned at second waveguide (212) and the crossing third quadrant of the 4th waveguide (214).
3. the integrated unit based on resonant cavity array as claimed in claim 1, it is characterized in that described array structure is combined by a plurality of multi-channel miniature resonator cavity 2 * 2 array elements, each multi-channel miniature resonator cavity 2 * 2 array element is provided with i.e. first micro resonant cavity (111) of 4 micro resonant cavities, second micro resonant cavity (112), the 3rd micro resonant cavity (113), the 4th micro resonant cavity (114), 4 i.e. first waveguides (211) of waveguide that square crossing is placed, second waveguide (212), the 3rd waveguide (213), the 4th waveguide (214), four modulator electrodes (3) and be positioned in the middle of middle part resonator cavity (4), wherein, first waveguide (211), second waveguide (212) and the 3rd waveguide (213), the 4th waveguide (214) square crossing is placed and is constituted the groined type structure, first micro resonant cavity (111) is positioned between first waveguide (211) and the middle resonator cavity (4), second micro resonant cavity (112) is positioned between the 4th waveguide (214) and the middle resonator cavity (4), the 3rd micro resonant cavity (113) is positioned between the 3rd waveguide (213) and the middle resonator cavity (4), and the 4th micro resonant cavity (114) is positioned between second waveguide (212) and the middle resonator cavity (4); First modulator electrode (311), second modulator electrode (312), the 3rd modulator electrode (313), the 4th modulator electrode (314) lay respectively at first micro resonant cavity (111), second micro resonant cavity (112), the 3rd micro resonant cavity (113), the 4th micro resonant cavity (114) side.
4. the integrated unit based on resonant cavity array as claimed in claim 1 is characterized in that described micro resonant cavity is the cavity resonator structure of annular, dish type or regular polygon; Modulator electrode uses electrooptical modulation, hot optical modulation or acoustooptic modulation mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202722226U CN201716434U (en) | 2010-07-27 | 2010-07-27 | Integrated unit based on resonant cavity array |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202722226U CN201716434U (en) | 2010-07-27 | 2010-07-27 | Integrated unit based on resonant cavity array |
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| CN201716434U true CN201716434U (en) | 2011-01-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915962A (en) * | 2010-07-27 | 2010-12-15 | 东南大学 | Multichannel micro-resonant cavity array structure |
| CN103955025A (en) * | 2014-04-22 | 2014-07-30 | 上海大学 | Annularly-coupled fractal topological structure microring resonator array for optical delay line |
| CN104820263A (en) * | 2015-04-17 | 2015-08-05 | 东南大学 | Microtube structure-based three-dimensional integrated adjustable wave splitter and preparation method thereof |
| CN104950398A (en) * | 2015-07-16 | 2015-09-30 | 浙江大学 | Optical micro-ring based optical filter with adjustable bandwidth and method of optical filter for producing wide-band frequency spectrum |
-
2010
- 2010-07-27 CN CN2010202722226U patent/CN201716434U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915962A (en) * | 2010-07-27 | 2010-12-15 | 东南大学 | Multichannel micro-resonant cavity array structure |
| CN101915962B (en) * | 2010-07-27 | 2013-05-01 | 东南大学 | Multichannel micro-resonant cavity array structure |
| CN103955025A (en) * | 2014-04-22 | 2014-07-30 | 上海大学 | Annularly-coupled fractal topological structure microring resonator array for optical delay line |
| CN103955025B (en) * | 2014-04-22 | 2016-08-24 | 上海大学 | Ring for optical delay line joins fractal topological structure micro-loop array |
| CN104820263A (en) * | 2015-04-17 | 2015-08-05 | 东南大学 | Microtube structure-based three-dimensional integrated adjustable wave splitter and preparation method thereof |
| CN104820263B (en) * | 2015-04-17 | 2018-03-20 | 东南大学 | Three-dimensionally integrated adjustable interleaver based on micro-tubular structure and preparation method thereof |
| CN104950398A (en) * | 2015-07-16 | 2015-09-30 | 浙江大学 | Optical micro-ring based optical filter with adjustable bandwidth and method of optical filter for producing wide-band frequency spectrum |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110119 Effective date of abandoning: 20130501 |
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| RGAV | Abandon patent right to avoid regrant |