CN207473131U - A kind of single channel wavelength-selective switches - Google Patents
A kind of single channel wavelength-selective switches Download PDFInfo
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- CN207473131U CN207473131U CN201721641848.8U CN201721641848U CN207473131U CN 207473131 U CN207473131 U CN 207473131U CN 201721641848 U CN201721641848 U CN 201721641848U CN 207473131 U CN207473131 U CN 207473131U
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Abstract
The utility model belongs to technical field of photo communication, discloses a kind of single channel wavelength-selective switches, including：One-dimension optical-fiber array, for the input and output of optical signal；Collimation lens, for being collimated to the optical signal；Diffraction grating is detached for the optical signal after collimation；Two-dimentional MEMS mirror, using Two Dimensional Rotating, for controlling wavelength selection and channel switching；The one-dimension optical-fiber array is located at the front focal plane of the collimation lens, and the two dimension MEMS mirror is located at the back focal plane of the collimation lens, and the diffraction grating is located between the collimation lens and the two-dimentional MEMS mirror.The utility model solves the problems, such as effectively reduce system cost using the ROADM system costs of MCS are higher, splicing is complicated in the prior art, reduce the integrated and splicing difficulty of system.
Description
Technical field
The utility model is related to technical field of photo communication more particularly to a kind of single channel wavelength-selective switches.
Background technology
At present, using ROADM (the Reconfigurable optical add-drop of MCS (Multicast switch)
Multiplexer) system has powerful configuration flexibility, can realize truly CDC (Colorless,
Directionless, Contentionless) transmission, extensive use on the market.Since optical signal is passing through long-distance biography
Deterioration can be deformed after defeated, so each channel in the receiving terminal of MCS can increase a TOF and be filtered, then again by signal
Input receiving terminal.By taking common 8x16MCS currently on the market as an example, 16 TOF, such scheme cost are just needed in receiving terminal
It is very high, and splice complicated.
Utility model content
The embodiment of the present application is solved in the prior art by providing a kind of single channel wavelength-selective switches using MCS's
The problem of ROADM system costs are higher, splicing is complicated.
The embodiment of the present application provides a kind of single channel wavelength-selective switches, including：
One-dimension optical-fiber array, for the input and output of optical signal；
Collimation lens, for being collimated to the optical signal；
Diffraction grating is detached for the optical signal after collimation；
Two-dimentional MEMS mirror, using Two Dimensional Rotating, for controlling wavelength selection and channel switching；
The one-dimension optical-fiber array is located at the front focal plane of the collimation lens, and the two dimension MEMS mirror is located at described
The back focal plane of collimation lens, the diffraction grating are located between the collimation lens and the two-dimentional MEMS mirror.
Preferably, the one-dimension optical-fiber array is the fiber array of thin space, and the optical fiber used corrodes for clad section
Optical fiber.
Preferably, the thin space is 30-60 μm.
Preferably, the collimation lens is simple lens or compound lens.
Preferably, switched by the way that the two-dimentional MEMS mirror is controlled to be rotated into row of channels around X-axis.
Preferably, by the way that the two-dimentional MEMS mirror is controlled to be rotated into traveling wave length selection around Y-axis.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages：
In the embodiment of the present application, the optical element that a kind of single channel wavelength-selective switches provided include is few, and structure is tight
Gather, the selection function of single channel, Single wavelength can be realized by a two-dimentional MEMS mirror, can substantially reduce system into
This, and greatly reduce the integrated and splicing difficulty of system.
Description of the drawings
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution in the present embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is one embodiment of the utility model, for this
For the those of ordinary skill of field, without creative efforts, others are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1, Fig. 2 are that a kind of single channel wavelength-selective switches that the utility model embodiment provides realize showing for channel selecting
It is intended to；
Fig. 3, Fig. 4 are that a kind of single channel wavelength-selective switches that the utility model embodiment provides realize showing for wavelength selection
It is intended to.
Wherein, 1- one-dimension optical-fibers array, 2- collimation lenses, 3- diffraction grating, 4- two dimension MEMS mirrors.
Specific embodiment
The embodiment of the present application is solved in the prior art by providing a kind of single channel wavelength-selective switches using MCS's
The problem of ROADM system costs are higher, splicing is complicated.
The technical solution of the embodiment of the present application is in order to solve the above technical problems, general thought is as follows：
A kind of single channel wavelength-selective switches, including：
One-dimension optical-fiber array, for the input and output of optical signal；
Collimation lens, for being collimated to the optical signal；
Diffraction grating is detached for the optical signal after collimation；
Two-dimentional MEMS mirror, using Two Dimensional Rotating, for controlling wavelength selection and channel switching；
The one-dimension optical-fiber array is located at the front focal plane of the collimation lens, and the two dimension MEMS mirror is located at described
The back focal plane of collimation lens, the diffraction grating are located between the collimation lens and the two-dimentional MEMS mirror.
The optical element that a kind of single channel wavelength-selective switches provided by the utility model include is few, compact-sized, passes through
The selection function of single channel, Single wavelength can be realized in one two-dimentional MEMS mirror, can substantially reduce system cost, and pole
The big integrated and splicing difficulty for reducing system.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Existing MCS schemes mainly have PLC schemes and Splitter+MEMS OSW schemes, and the utility model is based on
Splitter+MEMS OSW schemes propose a kind of single channel wavelength-selective switches, only pass through a two-dimentional MEMS mirror
Realize the selection function of single channel, Single wavelength.
A kind of single channel wavelength-selective switches are present embodiments provided, as shown in Figures 1 to 4, including：One-dimension optical-fiber array
1st, collimation lens 2, diffraction grating 3, two-dimentional MEMS mirror 4.
The one-dimension optical-fiber array 1 is located at the front focal plane of the collimation lens 2, and the two dimension MEMS mirror 4 is located at
The back focal plane of the collimation lens 2, the diffraction grating 3 be located at the collimation lens 2 and the two-dimentional MEMS mirror 4 it
Between.
Wherein, the one-dimension optical-fiber array 1 is used for the input and output of optical signal；A kind of preferred situation, it is described one-dimensional
Fiber array 1 is the fiber array of thin space, and the optical fiber that the optical fiber used corrodes for clad section, thin space is 30-60 μm, narrow
Spacing is lower for the corner requirement of the two-dimentional MEMS mirror 4.
For the collimation lens 2 for being collimated to the optical signal, the collimation lens 2 is saturating for simple lens or combination
Mirror.
The optical signal of the diffraction grating 3 for after collimation is detached；Light beam is detached and will be each
Wavelength light is distributed according to angle.
The two dimension MEMS mirror 4 is using Two Dimensional Rotating, for controlling wavelength selection and channel switching.The two dimension
MEMS mirror 4 is single two-dimensional micro Mechatronic Systems tilting mirror chip, only there are one speculum, not reflection mirror array.
Fig. 1, Fig. 2 are that a kind of single channel wavelength-selective switches that the utility model embodiment provides realize showing for channel selecting
It is intended to.
Specifically, as shown in Figure 1, x is vertical paper direction.The one-dimension optical-fiber array 1 is made of N root-rot erosion optical fiber,
It is in several rows of row to corrode optical fiber.Optical signal is inputted from 1 port of the one-dimension optical-fiber array 1, through the collimation lens 2 and described
After diffraction grating 3, it is incident on the two-dimentional MEMS mirror 4.Optical signal is after the two-dimentional MEMS mirror 4 reflects, warp
It crosses after the diffraction grating 3 and the collimation lens 2 and reaches the one-dimension optical-fiber array 1, and from the one-dimension optical-fiber array 1
N-port exports.
As shown in Fig. 2, after the two-dimentional MEMS mirror 4 rotates an angle along X-axis, it is anti-to reach the two dimension MEMS
The optical signal for penetrating mirror 4 changes transmission direction, and the one-dimension optical-fiber is reached after the diffraction grating 3 and the collimation lens 2
Array 1, and exported from 3 ports of the one-dimension optical-fiber array 1, channel selecting function is realized at this time.
Fig. 3, Fig. 4 are that a kind of single channel wavelength-selective switches that the utility model embodiment provides realize showing for wavelength selection
It is intended to.
Specifically, as shown in figure 3, Y is vertical paper direction, optical signal is defeated from 1 port of the one-dimension optical-fiber array 1
Enter, after the collimation lens 2 and the diffraction grating 3, optical signal is detached according to wavelength along X-axis, and wavelength is the optical signal of λ 1
After the two-dimentional MEMS mirror 4 reflects, after the diffraction grating 3 and the collimation lens 2, the one-dimensional light is reached
Fibre array 1, and exported from the N-port of the one-dimension optical-fiber array 1.
As shown in figure 4, after the two-dimentional MEMS mirror 4 rotates an angle along Y-axis, the optical signal that wavelength is λ 2 passes through
After the two dimension MEMS mirror 4 reflects, the one-dimension optical-fiber is reached after the diffraction grating 3 and the collimation lens 2
Array 1, and exported from the N-port of the one-dimension optical-fiber array 1, wavelength selection function is realized at this time.
The utility model proposes a kind of single channel wavelength-selective switches, the MEMS using a single minute surface Two Dimensional Rotating is anti-
Mirror is penetrated, which independent can rotate around two quadrature axis (X and Y).By two-dimentional MEMS mirror is controlled to turn about the X axis come
It realizes channel selecting, realizes that wavelength selects by controlling two-dimentional MEMS mirror around Y-axis rotation.The utility model can be real simultaneously
Existing single channel selection, the function of Single wavelength selection.
In addition, by the specially treated to optical fiber, fibre cladding is corroded into a part, core diameter can be reduced, from
And reduce fibre core spacing, the requirement to two-dimentional MEMS mirror angle can be reduced.
The utility model optical element is few, compact-sized, at low cost, only realizes two devices with a MEMS chip
Function integrates the function that can realize MCS+TOF with Splitter, greatly simplifies production procedure, saved into
This.
A kind of single channel wavelength-selective switches that the utility model embodiment provides include at least following technique effect：
In the embodiment of the present application, the optical element that a kind of single channel wavelength-selective switches provided include is few, and structure is tight
Gather, the selection function of single channel, Single wavelength can be realized by a two-dimentional MEMS mirror, can substantially reduce system into
This, and greatly simplify the integrated and splicing difficulty of system.
It should be noted last that more than specific embodiment is only to illustrate the technical solution of the utility model rather than limit
System, although the utility model is described in detail with reference to example, it will be understood by those of ordinary skill in the art that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (6)
1. a kind of single channel wavelength-selective switches, which is characterized in that including：
One-dimension optical-fiber array, for the input and output of optical signal；
Collimation lens, for being collimated to the optical signal；
Diffraction grating is detached for the optical signal after collimation；
Two-dimentional MEMS mirror, using Two Dimensional Rotating, for controlling wavelength selection and channel switching；
The one-dimension optical-fiber array is located at the front focal plane of the collimation lens, and the two dimension MEMS mirror is located at the collimation
The back focal plane of lens, the diffraction grating are located between the collimation lens and the two-dimentional MEMS mirror.
2. single channel wavelength-selective switches according to claim 1, which is characterized in that the one-dimension optical-fiber array is narrow
Away from fiber array, the optical fiber that the optical fiber used corrodes for clad section.
3. single channel wavelength-selective switches according to claim 2, which is characterized in that the thin space is 30-60 μm.
4. according to the single channel wavelength-selective switches any in claim 1-3, which is characterized in that the collimation lens is
Simple lens or compound lens.
5. according to the single channel wavelength-selective switches any in claim 1-3, which is characterized in that by controlling described two
Dimension MEMS mirror is rotated into row of channels switching around X-axis.
6. according to the single channel wavelength-selective switches any in claim 1-3, which is characterized in that by controlling described two
Dimension MEMS mirror is rotated into traveling wave length selection around Y-axis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721641848.8U CN207473131U (en) | 2017-11-30 | 2017-11-30 | A kind of single channel wavelength-selective switches |
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| CN201721641848.8U CN207473131U (en) | 2017-11-30 | 2017-11-30 | A kind of single channel wavelength-selective switches |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445037A (en) * | 2018-11-19 | 2019-03-08 | 华中科技大学 | A kind of 1 × N-port photoswitch based on array optical waveguide and MEMS micromirror |
| CN112014927A (en) * | 2019-05-30 | 2020-12-01 | 湖北工业株式会社 | Wavelength selective filter |
-
2017
- 2017-11-30 CN CN201721641848.8U patent/CN207473131U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445037A (en) * | 2018-11-19 | 2019-03-08 | 华中科技大学 | A kind of 1 × N-port photoswitch based on array optical waveguide and MEMS micromirror |
| CN112014927A (en) * | 2019-05-30 | 2020-12-01 | 湖北工业株式会社 | Wavelength selective filter |
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