CN219758546U - Optical integrated component and optical transceiver module - Google Patents
Optical integrated component and optical transceiver module Download PDFInfo
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- CN219758546U CN219758546U CN202320780511.4U CN202320780511U CN219758546U CN 219758546 U CN219758546 U CN 219758546U CN 202320780511 U CN202320780511 U CN 202320780511U CN 219758546 U CN219758546 U CN 219758546U
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Abstract
The utility model discloses an optical integrated component and an optical transceiver module. The optical integrated assembly includes: the collimator array is used for transmitting the optical signals and carrying out collimation treatment on the transmitted optical signals; the wavelength division multiplexing module is used for receiving the optical signals transmitted by the collimator array, processing the optical signals into optical signals with different wave bands and outputting the optical signals; the lens array is used for receiving the optical signals of different wave bands output by the wavelength division multiplexing module; and the prism is positioned on the light side of the lens array and is used for carrying out steering processing on the light signals of different wave bands emitted from the light side of the lens array. The utility model adopts the collimator array, the wavelength division multiplexing module, the lens array and the prism positioned on the light side of the lens array, not only can meet the requirements of the n multiplied by 400G light receiving and transmitting module, but also can solve the problems of large volume, complex coupling process and high cost caused by the combined use of a plurality of existing light receiving components.
Description
Technical Field
The present utility model relates to the field of optical communications technologies, and in particular, to an optical integrated assembly and an optical transceiver module.
Background
The optical integrated component provided in the prior art can refer to patent CN209590346U, the optical receiving component of which has only 1×4 channels and can only meet the optical transceiver module of 100G/200G/400G, but cannot meet the optical transceiver module of n×400G (n is greater than or equal to 2 and n is a positive integer), if the requirement of the optical transceiver module of n×400G is met, n optical receiving components are needed, but if n optical receiving components are adopted, the problems of large volume, complex coupling process and high cost exist.
Disclosure of Invention
The utility model provides an optical integrated component and an optical transceiver module, which are used for solving the problems of large volume, complex coupling process and high cost caused by the combined use of a plurality of existing optical receiving components.
In a first aspect, embodiments of the present utility model provide an optical integrated assembly comprising:
the collimator array is used for transmitting the optical signals and carrying out collimation treatment on the transmitted optical signals;
the wavelength division multiplexing module is used for receiving the optical signals transmitted by the collimator array, processing the optical signals into optical signals with different wave bands and outputting the optical signals;
the lens array is used for receiving the optical signals of different wave bands output by the wavelength division multiplexing module;
and the prism is positioned on the light side of the lens array and is used for carrying out steering processing on the light signals of different wave bands emitted from the light side of the lens array.
Optionally, the collimator array includes N rows and 1 columns of collimators;
the wavelength division multiplexing module comprises N rows and 1 columns of wavelength division multiplexing components, and the wavelength division multiplexing components are used for processing the received 1-beam optical signals into 4-beam optical signals with different wave bands and outputting the 4-beam optical signals;
the lens array comprises 4*N row 1 column lenses and is used for receiving 4*N different wave band optical signals output by the wavelength division multiplexing module;
wherein N is more than or equal to 2, and N is a positive integer.
Optionally, n=2, and the collimator array includes: the device comprises a first collimator, a second collimator, a dual-channel optical fiber array and a dual-channel lens array;
the first collimator and the second collimator are combined together through the double-channel optical fiber array and the double-channel lens array to form the collimator array;
the first collimator includes: the first optical fiber connector and the first optical fiber are connected in sequence;
the second collimator includes: the second optical fiber connector and the second optical fiber are connected in sequence;
the dual channel fiber array includes: the first channel is connected with the first optical fiber, the second channel is connected with the second optical fiber, the double-channel V-shaped groove and the cover plate;
the dual-channel lens array comprises a first channel lens and a second channel lens, the dual-channel lens array is arranged on the end face, far away from the optical fiber connector, of the dual-channel optical fiber array, and the first channel lens and the second channel lens correspond to the first channel and the second channel respectively.
Optionally, n=2, and the wavelength division multiplexing module includes: the device comprises a first wavelength division multiplexing component, a second wavelength division multiplexing component and a matrix;
the first wavelength division multiplexing component and the second wavelength division multiplexing component are both fixed on the substrate;
the first wavelength division multiplexing assembly includes: the first reflecting piece is arranged on one side of the base body close to the collimator array, and the first thin film filter set is arranged on one side of the base body far away from the collimator array;
the second wavelength division multiplexing assembly includes: the second reflecting piece is arranged on one side of the substrate close to the collimator array, and the second thin film filter set is arranged on one side of the substrate far away from the collimator array;
the first reflecting piece and the second reflecting piece are respectively used for reflecting the optical signals output from the first channel lens and the second channel lens and input into the matrix;
the first thin film filter set and the second thin film filter set are respectively used for processing the optical signals output from the first channel lens and the second channel lens and input into the substrate into optical signals with different wave bands and outputting the optical signals, wherein the first thin film filter set and the second thin film filter set respectively comprise 4 thin film filters with different wave bands.
Optionally, the first reflecting member includes: a first anti-reflection region and a first highly reflection region;
the second reflecting member includes: a second anti-reflection region and a second highly reflection region;
the first anti-reflection region of the first reflecting member is disposed adjacent to the second highly-reflection region of the second reflecting member.
Optionally, the optical integrated component further includes: a bottom plate;
the collimator array is stuck to the bottom plate through the bottom surface of the double-channel optical fiber array;
the wavelength division multiplexing module is stuck on the bottom plate through the bottom surface of the matrix;
the lens array is adhered to the base plate through the bottom surface thereof.
Optionally, the distance between collimators in the collimator array is D1, and the distance between optical signals input to the wavelength division multiplexing module is D2, where d1=d2.
Optionally, the interval between the optical signals of different wavebands output by the wavelength division multiplexing module is P1, and P1 is 500um or 750um;
the pitch of the lenses of the lens array is P2, where p1=p2.
In a second aspect, an embodiment of the present utility model further provides an optical transceiver module, where the optical transceiver module includes the optical integrated component according to any one of the embodiments of the first aspect, and the optical integrated component is adhered to the optical transceiver module through a base plate.
Optionally, the optical transceiver module further includes: and the photodiode is used for receiving the optical signal refracted by the prism and performing photoelectric conversion.
According to the technical scheme, through the adoption of the collimator array, the wavelength division multiplexing module, the lens array and the prism positioned on the light side of the lens array, the requirements of the n multiplied by 400G light receiving and transmitting module can be met, the problems that a plurality of existing light receiving components are large in size, complex in coupling process and high in cost due to combined use can be solved, and the optical receiving module has the advantages of improving coupling efficiency, improving reliability and reducing assembly difficulty.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the utility model or to delineate the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of an optical integrated assembly according to an embodiment of the present utility model;
FIG. 2 is a front view of an optical integrated assembly according to an embodiment of the present utility model;
FIG. 3 is a top view of a collimator array according to an embodiment of the present utility model;
FIG. 4 is a front view of a collimator array according to an embodiment of the present utility model;
FIG. 5 is a top view of a dual-channel lens array according to an embodiment of the present utility model;
FIG. 6 is a side view of a dual-channel lens array according to an embodiment of the present utility model;
fig. 7 is a top view of a wavelength division multiplexing module according to an embodiment of the present utility model;
fig. 8 is a left side view of a wavelength division multiplexing module according to an embodiment of the present utility model;
fig. 9 is a right side view of a wavelength division multiplexing module according to an embodiment of the present utility model;
FIG. 10 is a top view of a lens array according to an embodiment of the present utility model;
fig. 11 is a side view of a lens array according to an embodiment of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a top view of an optical integrated component according to an embodiment of the present utility model, fig. 2 is a front view of an optical integrated component according to an embodiment of the present utility model, and referring to fig. 1 and fig. 2, an optical integrated component according to an embodiment of the present utility model is provided, where the optical integrated component includes: a collimator array 110, a wavelength division multiplexing module 120, a lens array 130, and a prism 140 on the light-extracting side of the lens array.
The collimator array 110 is configured to transmit an optical signal and perform collimation processing on the transmitted optical signal. The wavelength division multiplexing module 120 is configured to receive the optical signals transmitted by the collimator array 110, and process the optical signals into optical signals with different wavebands and output the optical signals. The lens array 130 is configured to receive optical signals of different wavelength bands output by the wavelength division multiplexing module 120. And a prism 140 positioned at the light-emitting side of the lens array 130 for performing a steering process on the light signals of different wavelength bands emitted from the light-emitting side of the lens array 130.
Optionally, the collimator array 110 includes N rows and 1 columns of collimators, the wavelength division multiplexing module 120 includes N rows and 1 columns of wavelength division multiplexing components, the wavelength division multiplexing components are configured to process the received 1-beam optical signals into 4-beam optical signals with different wavebands, and output the 4-beam optical signals, and the lens array 130 includes 4*N rows and 1 columns of lenses, and is configured to receive 4*N kinds of optical signals with different wavebands output by the wavelength division multiplexing module 120, where N is greater than or equal to 2, and N is a positive integer.
Exemplary, n=2, fig. 3 is a top view of a collimator array according to an embodiment of the present utility model, fig. 4 is a front view of a collimator array according to an embodiment of the present utility model, fig. 5 is a top view of a dual-channel lens array according to an embodiment of the present utility model, and fig. 6 is a side view of a dual-channel lens array according to an embodiment of the present utility model. Referring to fig. 3-6, the collimator array 110 includes: a first collimator 111, a second collimator 112, a dual channel fiber array 113, and a dual channel lens array 114. The first collimator 111 and the second collimator 112 are combined together by a dual channel fiber array 113 and a dual channel lens array 114 to form the collimator array 110. According to the embodiment of the utility model, the two relatively independent collimators are respectively coupled and then assembled, so that the assembly process of the optical integrated assembly is simplified, the assembly cost of the optical integrated assembly is reduced, and the coupling efficiency and reliability are improved.
Wherein the first collimator 111 comprises: a first optical fiber joint 1111 and a first optical fiber 1112 connected in sequence. The second collimator 112 includes: a second fiber optic connector 1121 and a second optical fiber 1122 connected in sequence. The dual channel fiber array 113 includes: a first channel 1131 connected to first optical fiber 1112, a second channel 1132 connected to second optical fiber 1122, a dual channel V-groove 1133, and a cover plate 1134. The two-channel lens array 114 includes a first channel lens 1141 and a second channel lens 1142, and the two-channel lens array 114 is disposed on an end surface of the two-channel fiber array 113 away from the fiber joint, where the first channel lens 1141 and the second channel lens 1142 correspond to the first channel 1131 and the second channel 1132, respectively.
Exemplary, n=2, fig. 7 is a top view of a wavelength division multiplexing module according to an embodiment of the present utility model, fig. 8 is a left side view of a wavelength division multiplexing module according to an embodiment of the present utility model, and fig. 9 is a right side view of a wavelength division multiplexing module according to an embodiment of the present utility model. Referring to fig. 1 and 7 to 9, the wavelength division multiplexing module 120 includes: the first wavelength division multiplexing component 121, the second wavelength division multiplexing component 122 and the base 123, and the first wavelength division multiplexing component 121 and the second wavelength division multiplexing component 122 are fixed on the base 123. According to the embodiment of the utility model, the two wavelength division multiplexing components are integrated on the same substrate, so that the assembly difficulty of the optical integrated component can be reduced, and the volume of the optical integrated component integrated with the two wavelength division multiplexing components can be reduced.
Wherein the first wavelength division multiplexing component 121 includes: a first reflector 1211 disposed on a side of the base 123 adjacent to the collimator array 110 and a first thin film filter set 1212 disposed on a side of the base 123 remote from the collimator array 110. The second wavelength division multiplexing component 122 includes: a second reflector 1221 disposed on a side of the substrate 123 adjacent to the collimator array 110 and a second thin film filter set 1222 disposed on a side of the substrate 123 remote from the collimator array 110. The first and second reflecting members 1211 and 1221 are disposed adjacently at intervals, and serve to reflect the optical signals output from the first and second channel lenses 1141 and 1142 and incident into the base 123, respectively. The first thin film filter set 1212 and the second thin film filter set 1222 are disposed adjacent to each other, and are used for processing the optical signals output from the first channel lens 1141 and the second channel lens 1142 and incident into the substrate 123 into optical signals with different wavelength bands, and outputting the optical signals, wherein the first thin film filter set 1212 and the second thin film filter set 1222 each include thin film filters with 4 different wavelength bands. Therefore, the wavelength division multiplexing module 120 of the embodiment of the present utility model includes 8 kinds of thin film filters with different wavelength bands, the wavelength bands of the 8 kinds of thin film filters with different wavelength bands may be CWDM or LAN-WDM, and exemplary, the center wavelengths of the 8 kinds of thin film filters with different wavelength bands are 1271nm, 1291nm, 1311nm, 1331nm, 1271nm, 1291nm, 1311nm, 1331nm.
Referring to fig. 8, the first reflecting member 1211 includes: first anti-reflection region 12111 and first highly reflection region 12112, second reflection member 1221 includes: a second anti-reflection region 12211 and a second highly reflective region 12212, the first anti-reflection region 12111 of the first reflector 1211 being disposed adjacent to the second highly reflective region 12212 of the second reflector 1221. The first anti-reflection region 12111 can prevent the optical signal in the second wavelength division multiplexing device 122 from being reflected into the first wavelength division multiplexing device 121, and can improve the reliability of the optical integrated device.
Exemplary, n=2, fig. 10 is a top view of a lens array according to an embodiment of the present utility model, and fig. 11 is a side view of a lens array according to an embodiment of the present utility model. Referring to fig. 10-11, the lens array 130 includes 8 lenses 131 for receiving 8 optical signals of different wavebands output by the wavelength division multiplexing module 120, where N is greater than or equal to 2 and N is a positive integer.
Specifically, n=2, the optical signal transmitted by the first collimator 111 is output to the first wavelength division multiplexing device 121 through the first optical fiber joint 1111, the first optical fiber 1112, the first channel 1131 and the first channel lens 1141, and the optical signal is changed into 4 optical signals with different wavelength bands through the wavelength division multiplexing process of the first reflecting element 1211, the base 123 and the first thin film filter set 1212 disposed on the base 123. The optical signals transmitted by the second collimator 111 are output to the second wavelength division multiplexing module 122 via the second optical fiber connector 1121, the second optical fiber 1122, the second channel 1132, and the second channel lens 1142, and the optical signals are changed into 4 optical signals having different wavelength bands through the second reflecting member 1221 substrate 123 and the second thin film filter set 1222 disposed on the substrate 123. Then, the 8 optical signals with different wavebands output by the wavelength division multiplexing module 120 are received by the 8 lenses 131 of the lens array 130, and finally the 8 optical signals with different wavebands emitted from the light emitting sides of the 8 lenses 131 of the lens array 130 are diverted by the prism 140 positioned on the light emitting side of the lens array 130, and the diverted 8 optical signals with different wavebands are received by the photodiode PD of the optical transceiver module and converted into electrical signals.
With continued reference to fig. 1 and 2, based on the above-described embodiments, the optical integrated assembly further includes: a bottom plate 150. The collimator array 110 is adhered to the bottom plate 150 through the bottom surface of the dual-channel fiber array 113, the wavelength division multiplexing module 120 is adhered to the bottom plate 150 through the bottom surface of the base 123, and the lens array 130 is adhered to the bottom plate 150 through the bottom surface thereof.
Referring to fig. 1, 3 and 7, the pitch of the collimators in the collimator array 110 is D1, and the pitch of the optical signals input to the wavelength division multiplexing module 120 is D1, where d1=d2.
Referring to fig. 1, 7 and 11, the wavelength division multiplexing module 120 outputs optical signals of different wavebands at a pitch P1, P1 is 500um or 750um, and the lens array 130 has a pitch P2, where p1=p2.
It should be noted that, the size of the pitch P1 of the optical signals of different wavelength bands output by the wavelength division multiplexing module 120 may be changed by reducing or amplifying the thickness of the base 123 of the wavelength division multiplexing module 120, where P1 is 500um, and the thickness of the base 123 of the wavelength division multiplexing module 120 is 500/750 times the thickness of the base 123 of the wavelength division multiplexing module 120 where P1 is 750 um.
It should be noted that, fig. 1 to 11 in this embodiment illustrate that the collimator array 110 of the optical integrated component includes 2 collimators, the wdm module 120 of the optical integrated component includes 2 wdm components, the lens array 130 of the optical integrated component includes 8 lenses, i.e., n=2 in the above embodiment, and when n=2, the optical integrated component can meet the requirement of the optical transceiver module of 2×400G. In fact, the value of N is not limited in the embodiment of the present utility model, N may be any positive integer greater than or equal to 2, and a person skilled in the art may set the value of N according to the requirement of the optical transceiver module to be satisfied by the optical integrated component, for example, when n=3, the collimator array 110 includes 3 collimators, the wavelength division multiplexing module 120 includes 3 wavelength division multiplexing components, the lens array 130 includes 12 lenses, the optical integrated component can satisfy the requirement of the optical transceiver module of 3×400G, and when n=n, the collimator array 110 includes N collimators, the wavelength division multiplexing module 120 includes N wavelength division multiplexing components, the lens array 130 includes 4*n lenses, the optical integrated component can satisfy the requirement of the optical transceiver module of n×400G, where N is equal to or greater than 2, and N is a positive integer.
According to the technical scheme, through the adoption of the collimator array, the wavelength division multiplexing module, the lens array and the prism positioned on the light side of the lens array, the requirements of the n multiplied by 400G light receiving and transmitting module can be met, the problems that a plurality of existing light receiving components are large in size, complex in coupling process and high in cost due to combined use can be solved, and the optical receiving module has the advantages of improving coupling efficiency, improving reliability and reducing assembly difficulty.
Example two
On the basis of the implementation, the embodiment of the utility model also provides an optical transceiver module, which comprises the optical integrated component provided by any embodiment, so that the optical transceiver module has the same or corresponding technical effects of the optical integrated component.
Wherein the optical integrated component may be attached to the optical transceiver module through its base plate 150.
Optionally, the optical transceiver module further includes: a photodiode PD for receiving an optical signal refracted by the prism 140 of the optical integrated component and performing photoelectric conversion.
The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. An optical integrated assembly, comprising:
the collimator array is used for transmitting the optical signals and carrying out collimation treatment on the transmitted optical signals;
the wavelength division multiplexing module is used for receiving the optical signals transmitted by the collimator array, processing the optical signals into optical signals with different wave bands and outputting the optical signals;
the lens array is used for receiving the optical signals of different wave bands output by the wavelength division multiplexing module;
the prism is positioned on the light side of the lens array and is used for carrying out steering processing on the light signals of different wave bands emitted from the light side of the lens array;
the collimator array comprises N rows and 1 columns of collimators;
the wavelength division multiplexing module comprises N rows and 1 columns of wavelength division multiplexing components, and the wavelength division multiplexing components are used for processing the received 1-beam optical signals into 4-beam optical signals with different wave bands and outputting the 4-beam optical signals;
the lens array comprises 4*N row 1 column lenses and is used for receiving 4*N different wave band optical signals output by the wavelength division multiplexing module;
wherein N is more than or equal to 2, and N is a positive integer.
2. The optical integrated assembly of claim 1, wherein N = 2, the collimator array comprising: the device comprises a first collimator, a second collimator, a dual-channel optical fiber array and a dual-channel lens array;
the first collimator and the second collimator are combined together through the double-channel optical fiber array and the double-channel lens array to form the collimator array;
the first collimator includes: the first optical fiber connector and the first optical fiber are connected in sequence;
the second collimator includes: the second optical fiber connector and the second optical fiber are connected in sequence;
the dual channel fiber array includes: the first channel is connected with the first optical fiber, the second channel is connected with the second optical fiber, the double-channel V-shaped groove and the cover plate;
the dual-channel lens array comprises a first channel lens and a second channel lens, the dual-channel lens array is arranged on the end face, far away from the optical fiber connector, of the dual-channel optical fiber array, and the first channel lens and the second channel lens correspond to the first channel and the second channel respectively.
3. The optical integrated assembly of claim 2, wherein N = 2, the wavelength division multiplexing module comprises: the device comprises a first wavelength division multiplexing component, a second wavelength division multiplexing component and a matrix;
the first wavelength division multiplexing component and the second wavelength division multiplexing component are both fixed on the substrate;
the first wavelength division multiplexing assembly includes: the first reflecting piece is arranged on one side of the base body close to the collimator array, and the first thin film filter set is arranged on one side of the base body far away from the collimator array;
the second wavelength division multiplexing assembly includes: the second reflecting piece is arranged on one side of the substrate close to the collimator array, and the second thin film filter set is arranged on one side of the substrate far away from the collimator array;
the first reflecting piece and the second reflecting piece are respectively used for reflecting the optical signals output from the first channel lens and the second channel lens and input into the matrix;
the first thin film filter set and the second thin film filter set are respectively used for processing the optical signals output from the first channel lens and the second channel lens and input into the substrate into optical signals with different wave bands and outputting the optical signals, wherein the first thin film filter set and the second thin film filter set respectively comprise 4 thin film filters with different wave bands.
4. The optical integrated assembly of claim 3, wherein the first reflector comprises: a first anti-reflection region and a first highly reflection region;
the second reflecting member includes: a second anti-reflection region and a second highly reflection region;
the first anti-reflection region of the first reflecting member is disposed adjacent to the second highly-reflection region of the second reflecting member.
5. The optical integrated assembly of claim 4, further comprising: a bottom plate;
the collimator array is stuck to the bottom plate through the bottom surface of the double-channel optical fiber array;
the wavelength division multiplexing module is stuck on the bottom plate through the bottom surface of the matrix;
the lens array is adhered to the base plate through the bottom surface thereof.
6. The optical integrated assembly of claim 1, wherein the collimator array has a collimator pitch of D1 and the optical signals input to the wavelength division multiplexing module have a pitch of D2, wherein d1=d2.
7. The optical integrated assembly of claim 1, wherein the wavelength division multiplexing module outputs optical signals of different wavebands at a pitch of P1, P1 being 500um or 750um;
the pitch of the lenses of the lens array is P2, where p1=p2.
8. An optical transceiver module comprising an optical integrated assembly according to any one of claims 1-7, said optical integrated assembly being attached to the optical transceiver module by a backplane.
9. The optical transceiver module of claim 8, further comprising: and the photodiode is used for receiving the optical signal refracted by the prism and performing photoelectric conversion.
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| CN202320780511.4U CN219758546U (en) | 2023-04-11 | 2023-04-11 | Optical integrated component and optical transceiver module |
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| CN202320780511.4U CN219758546U (en) | 2023-04-11 | 2023-04-11 | Optical integrated component and optical transceiver module |
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