CN203385904U - BOSA module package shell and BOSA module - Google Patents
BOSA module package shell and BOSA module Download PDFInfo
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- CN203385904U CN203385904U CN201320518247.3U CN201320518247U CN203385904U CN 203385904 U CN203385904 U CN 203385904U CN 201320518247 U CN201320518247 U CN 201320518247U CN 203385904 U CN203385904 U CN 203385904U
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Abstract
The utility model discloses a BOSA module package shell, comprising an excellent-airtightness package box which is internally provided with two independent accommodating spaces used for accommodating a TOSA sub-module and an ROSA sub-module, respectively. One end surface of the box is provided with two light interfaces communicated with the two accommodating spaces, respectively. The other end surface, opposite to the light interfaces, of the box is provided with electric interfaces connected with electric interfaces of the TOSA sub-module and the ROSA sub-module in the two accommodating spaces. The utility model also discloses a BOSA module packaged by using the aforementioned shell and comprising the TOSA sub-module and the ROSA sub-module which are packaged inside the aforementioned BOSA module package shell. By designing the BOSA module package shell with excellent airtightness and packaging the TOSA sub-module and the ROSA sub-module inside the shell in a back-to-back structure mode, the defects that a traditional wavelength division multiplexing light assembly is large in size, high in power consumption, insufficient in transmission rate, and the like are solved effectively; the BOSA module which is miniaturized in size, low in power consumption, and capable of hot swapping is realized; and the overall geometric structure satisfies the MSA mechanical structure requirements.
Description
Technical field
The utility model relates to the optical communication technology field, relates in particular to a kind of module package of the BOSA for 40G module housing and BOSA module.
Background technology
The high speed optical communication module presents miniaturization, low-power consumption, and hot plug, the characteristics such as multidiameter delay work, along with the continuous dilatation of optical communication transferring content, transfer rate and shared passage constantly increase.Further raising along with the optical communication transmission rate request, utilize the wavelength-division multiplex concept, increase the quantity of optical signal transmission passage, fully use the transmission bandwidth of optical fiber, the multichannel active device is integrated in single optical transceiver module simultaneously, that the current transport module power consumption of solution is high, bulky effective technical way.
For this reason, IEEE (Institute of Electrical and Electronics Engineers, IEEE) has been formulated the unified standard of 40Gbps and 100Gbps high-speed transfer Ethernet, IEEE 802.3ba.SFF has formulated the corresponding MSA standard of 40Gbps transport module.
Summary of the invention
The purpose of this utility model is to propose a kind of BOSA module package housing and BOSA module of 40G module, can well meet the transmission request message of 40Gbps, 10km Metropolitan Area Network (MAN) and data center.
For achieving the above object, the technical scheme the utility model proposes is: a kind of BOSA module package housing, comprise the high-air-tightness Package boxes, and box body inside comprises two independently accommodation spaces, is respectively used to hold TOSA submodule and ROSA submodule; Box body one end face is provided with two optical interfaces, with two accommodation spaces, is communicated with respectively; The other end that box body is relative with optical interface is provided with electrical interface, with the TOSA submodule in two accommodation spaces, with the electrical interface of ROSA submodule, is connected respectively.
Further, described electrical interface is high speed and low speed electrical interface, comprises the stack of ceramic plates that is sintered to one, and ceramic wafer is provided with microstrip transmission line.
Further, described two optical interfaces are two LC interfaces; The end face that described box body arranges optical interface is provided with a window, by a diaphragm sealing, then is connected with described pair of LC interface.
Further, described two accommodation spaces are in box body inside, along the both ends of the surface line of centres that is provided with electrical interface and optical interface up and down or left and right be arranged side by side.
The utility model also provides the BOSA module of the above-mentioned packaging shell of a kind of use, comprises TOSA submodule and ROSA submodule, and described TOSA submodule and ROSA submodule are packaged in BOSA module package housing as above.
Further, described TOSA submodule comprises luminous LD array, microlens array, wavelength division multiplexer and the optical fiber collimator arranged according to light path; Described ROSA submodule comprises optical fiber collimator, wavelength division multiplexer, microlens array and the light-receiving PD array arranged according to light path; The PIN pin of the PIN pin of described luminous LD array and light-receiving PD array is connected with the electrical interface of described encapsulating housing respectively; The optical fiber collimator of described TOSA submodule and ROSA submodule is connected with optical interface light corresponding on described encapsulating housing respectively; The wavelength division multiplexer of described TOSA submodule and ROSA submodule forms by a plurality of diaphragms with different reflection and transmission spectrums.
Further, described wavelength division multiplexer comprises four wavelength-division multiplex demultiplexing passages, and wavelength is respectively λ 1, λ 2, λ 3, the λ 4 that meets the CWDM regulation.
Further, described wavelength division multiplexer comprises five reflection and transmission diaphragms, be respectively diaphragm F1, diaphragm F2, diaphragm F3, diaphragm F4, diaphragm F5, wherein diaphragm F1-F4 lays respectively on λ 1-λ 4 passages, to λ 1-λ 4 transmissions or to reflex to diaphragm F5 upper, λ 1-λ 4 is combined into a branch of at diaphragm F5 respectively; Or the incident light of a branch of λ of comprising 1-λ 4 is decomposed into the four bundle beamlets of λ 1-λ 4 through diaphragm F5-F1 transmission or reflection.
Further, described diaphragm F1 and F4 are the total reflection diaphragm, and diaphragm F2 is to other wavelength reflections of λ 2 transmissions, and diaphragm F3 is to λ 3 other wave plate transmissions of reflection, and diaphragm F5 is to λ 1 other wavelength transmissions of reflection; During as the wavelength division multiplexer of TOSA submodule, λ 1 reflexes to F5 through F1, and by F5 reflection output; λ 2 is through F2 and F5 transmission output; λ 3 reflexes to F2 through F3, is reflexed to F5 by F2 again, through the F5 transmission, exports; λ 4 reflexes to F3 through F4, through F3, is transmitted into and is mapped to F2, by F2, is reflexed to F5, through the F5 transmission, exports; During as the wavelength division multiplexer of ROSA submodule, light path is contrary.
Perhaps, described wavelength division multiplexer comprises two diaphragms, two logical light faces of diaphragm one, and the one side plating is the rete to λ 3 and λ 4 reflections to λ 1 and λ 2 transmissions, the another side plating total reflection film; Two logical light faces of diaphragm two, the one side plating is the rete to λ 2 and λ 4 reflections to the transmission of λ 1 and λ 3, the another side plating total reflection film; During as the wavelength division multiplexer of ROSA submodule, the Shu Guangjing diaphragm one that closes of λ 1-λ 4 is divided into and comprises λ 1, λ 2 and the two parallel beamlets that comprise λ 3, λ 4, two parallel beamlets, through diaphragm two, further are divided into Siping City's row beamlet by λ 1, λ 2 and λ 3, λ 4; During as the wavelength division multiplexer of TOSA submodule, light path is contrary.
The beneficial effects of the utility model are: by design high-air-tightness BOSA encapsulating housing, TOSA submodule and ROSA submodule are packaged in housing with back-to-back frame mode, efficiently solve the shortcomings such as traditional wavelength division multiplexed light assembly volume is huge, power consumption is high, transfer rate is not enough, realize the BOSA module of miniaturization, low-power consumption, hot plug, to meet the transmission request message of 40Gbps, 10km Metropolitan Area Network (MAN) and data center, and the whole geometry structure meets the physical construction requirement of MSA.
The accompanying drawing explanation
Fig. 1 is the utility model BOSA encapsulating housing embodiment mono-structural representation;
Fig. 2 is the utility model BOSA encapsulating housing embodiment bis-structural representations;
Fig. 3 is wavelength division multiplexer embodiment mono-light path schematic diagram for the TOSA submodule;
Fig. 4 is wavelength division multiplexer embodiment light path schematic diagram for the ROSA submodule;
Fig. 5 is wavelength division multiplexer embodiment bis-light path schematic diagram for the ROSA submodule.
Reference numeral: 1, housing; 100, box body; 101, electrical interface; 102, accommodation space; 103, optical interface; 104, dividing plate; 2, TOSA submodule wavelength division multiplexer; 201, reflection and transmission diaphragm; 3, ROSA submodule wavelength division multiplexer; 301, reflection and transmission diaphragm; 4, ROSA submodule wavelength division multiplexer; 401, diaphragm one; 402, diaphragm two.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
For the unified standard that meets 40Gbps and 100Gbps high-speed transfer Ethernet and the corresponding MSA standard of 40Gbps transport module, the utility model proposes a kind of module package of the BOSA for 40G module housing and BOSA module.Concrete, as illustrated in fig. 1 and 2, this BOSA module package housing 1, comprise high-air-tightness Package boxes 100, box body 100 inside comprise two independently accommodation spaces 102, are respectively used to hold TOSA submodule and ROSA submodule; Box body 100 1 end faces are provided with two optical interfaces 103, with two accommodation spaces 102, are communicated with respectively; The other end that box body 100 is relative with optical interface 103 is provided with electrical interface 101, with the TOSA submodule in two accommodation spaces 102, with the electrical interface of ROSA submodule, is connected respectively.Two accommodation spaces 102 are in box body 100 inside, along the both ends of the surface line of centres that is provided with electrical interface 101 and optical interface 103 up and down or left and right be arranged side by side.TOSA submodule and ROSA submodule are packaged in housing 1 with back-to-back frame mode, efficiently solve the problems such as traditional wavelength division multiplexed light assembly volume is huge, make its whole geometry structure meet the physical construction requirement of MSA.
Mono-, two accommodation space of embodiment as shown in Figure 1 102 is arranged side by side along the both ends of the surface line of centres left and right that is provided with electrical interface and optical interface, and two accommodation spaces 102 do not interfere with each other.TOSA submodule and ROSA submodule are arranged at respectively in two accommodation spaces 102, with each self-corresponding optical interface 103, with electrical interface 101, are connected.
Embodiment bis-as shown in Figure 2, two accommodation spaces 102 are arranged side by side up and down along the both ends of the surface line of centres that is provided with electrical interface 101 and optical interface 103, middle by dividing plate 104 isolation, its upper strata accommodation space 102 arranges the TOSA submodule, lower floor's accommodation space 102 arranges the ROSA submodule, or conversely.This structure can effectively utilize length and the width spaces of housing 1, small and exquisite and compact.
The electrical interface 101 of the housing 1 described in the various embodiments described above is high speed and low speed electrical interface, comprises the stack of ceramic plates that is sintered to one, and ceramic wafer is provided with microstrip transmission line, i.e. the PIN pin.By stupalith and metal sintering technique, guarantee housing seal and electric signal transport property.And the microstrip transmission line based on stack of ceramic plates, can guarantee the integrality of high speed transmission of signals, meet the requirement of crosstalking between the signal of He Ge road that requires of between TOSA end and ROSA end signal, crosstalking and interfering.Described two optical interfaces 103 are preferentially selected two LC interfaces, use the diaphragm Sealing Technology to be connected with box body 100; Be that the end face that box body 100 arranges optical interface 103 is provided with a window, by a diaphragm sealing, then be connected with described pair of LC interface.
The utility model also provides the BOSA module of above-mentioned housing 1 encapsulation of a kind of use, comprises TOSA submodule and ROSA submodule, and TOSA submodule and ROSA submodule are packaged in BOSA module package housing as above.
The TOSA submodule comprises luminous LD array, microlens array, TOSA submodule wavelength division multiplexer 2 and the optical fiber collimator arranged according to light path; The ROSA submodule comprises optical fiber collimator, ROSA submodule wavelength division multiplexer 3, microlens array and the light-receiving PD array arranged according to light path; The PIN pin of the PIN pin of described luminous LD array and light-receiving PD array is connected with the electrical interface of described encapsulating housing respectively; The optical fiber collimator of described TOSA submodule and ROSA submodule is connected with optical interface light corresponding on described encapsulating housing respectively; The wavelength division multiplexer of described TOSA submodule and ROSA submodule forms by a plurality of diaphragms with different reflection and transmission spectrums.In the 40G module, above-mentioned wavelength division multiplexer comprises four wavelength-division multiplex demultiplexing passages, and wavelength is respectively λ 1, λ 2, λ 3, the λ 4 that meets the CWDM regulation, and the centre wavelength of each light beam has the interval of 20nm.
In the TOSA submodule, by luminous LD array, in the 40G module, preferably, adopt four road Distributed Feedback Lasers, the electric impulse signal that housing 1 electrical interface 101 is carried is converted to light pulse signal, launches four bundle light signals, enter TOSA submodule wavelength division multiplexer 2 after the microlens array collimation, by the multiplexing light beam that is combined into of TOSA submodule wavelength division multiplexer 2, outputed to the optical interface 103 of housing 1 by optical fiber collimator.In the ROSA submodule, the light pulse signal received by optical interface 103 incides ROSA submodule wavelength division multiplexer 3 after the optical fiber collimator collimation, through ROSA submodule wavelength division multiplexer 3 demultiplexings, be four bundle directional light outputs, four bundle directional lights focus on respectively on corresponding light-receiving PD array through microlens array, be converted to electric impulse signal through light-receiving PD array, by electrical interface 101 outputs of housing 1.The microstrip transmission line that BOSA encapsulating housing 1 adopts based on the ceramic wafer material, stack of ceramic plates can guarantee to meet between TOSA submodule and ROSA submodule signal the requirement of crosstalking and interfering, and meets the requirement of crosstalking between each road signal.
Concrete, the wavelength division multiplexer adopted in TOSA submodule and ROSA submodule and light path thereof are respectively as shown in Figures 3 and 4, this wavelength division multiplexer comprises five reflection and transmission diaphragms, be respectively diaphragm F1, diaphragm F2, diaphragm F3, diaphragm F4, diaphragm F5, wherein diaphragm F1-F4 lays respectively on λ 1-λ 4 passages, to λ 1-λ 4 transmissions or to reflex to diaphragm F5 upper, λ 1-λ 4 is combined into a branch of at diaphragm F5 respectively; Or the incident light of a branch of λ of comprising 1-λ 4 is decomposed into the four bundle beamlets of λ 1-λ 4 through diaphragm F5-F1 transmission or reflection.In this structure, the accompanying drawing 3 and 4 of take is example, and diaphragm F1 and F4 are the total reflection diaphragm, and diaphragm F2 is to other wavelength reflections of λ 2 transmissions, and diaphragm F3 is to λ 3 other wave plate transmissions of reflection, and diaphragm F5 is to λ 1 other wavelength transmissions of reflection; During as the wavelength division multiplexer of TOSA submodule, TOSA submodule wavelength division multiplexer 2 as shown in Figure 3, λ 1 reflexes to F5 through F1, and by F5 reflection output; λ 2 is through F2 and F5 transmission output; λ 3 reflexes to F2 through F3, is reflexed to F5 by F2 again, through the F5 transmission, exports; λ 4 reflexes to F3 through F4, through F3, is transmitted into and is mapped to F2, by F2, is reflexed to F5, through the F5 transmission, exports; During as ROSA submodule wavelength division multiplexer 3, light path is contrary, as shown in Figure 4.Each diaphragm all has different reflection and transmission spectrums, and meets centre wavelength and the bandwidth of CWDM wavelength definition in IEEE802.3ba, and its wavelength-division multiplex and demultiplexing Ge road light signal centre wavelength have the interval of 20nm.
Wavelength division multiplexer in the ROSA submodule can also adopt structure as shown in Figure 5, this ROSA submodule wavelength division multiplexer 4 comprises two diaphragms 401,402, two logical light faces of diaphragm 1, the one side plating is the rete to λ 3 and λ 4 reflections to λ 1 and λ 2 transmissions, the another side plating total reflection film; Two logical light faces of diaphragm 2 402, the one side plating is the rete to λ 2 and λ 4 reflections to the transmission of λ 1 and λ 3, the another side plating total reflection film.Its light path is: the Shu Guangjing diaphragm 1 that closes of λ 1-λ 4 is divided into and comprises λ 1, λ 2 and the two parallel beamlets that comprise λ 3, λ 4, and two parallel beamlets, through diaphragm 2 402, further are divided into Siping City's row beamlet by λ 1, λ 2 and λ 3, λ 4.This structure also can be used as the wavelength division multiplexer of TOSA submodule, and its light path is just contrary.By the filtering characteristic of design diaphragm, can guarantee that four bundles of demultiplexing have the isolation met the demands between light, can not produce and crosstalk between channel signal guaranteeing.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present utility model that appended claims limits; the various variations of in the form and details the utility model being made, be protection domain of the present utility model.
Claims (10)
1. a BOSA module package housing, it is characterized in that: comprise the high-air-tightness Package boxes, box body inside comprises two independently accommodation spaces, is respectively used to hold TOSA submodule and ROSA submodule; Box body one end face is provided with two optical interfaces, with two accommodation spaces, is communicated with respectively; The other end that box body is relative with optical interface is provided with electrical interface, with the TOSA submodule in two accommodation spaces, with the electrical interface of ROSA submodule, is connected respectively.
2. BOSA module package housing as claimed in claim 1 is characterized in that: described electrical interface, at a high speed and the low speed electrical interface, comprises the stack of ceramic plates that is sintered to one, and ceramic wafer is provided with microstrip transmission line.
3. BOSA module package housing as claimed in claim 1, it is characterized in that: described two optical interfaces are two LC interfaces; The end face that described box body arranges optical interface is provided with a window, by a diaphragm sealing, then is connected with described pair of LC interface.
4. as BOSA module package housing as described in claim 1-3 any one, it is characterized in that: described two accommodation spaces are in box body inside, along the both ends of the surface line of centres that is provided with electrical interface and optical interface up and down or left and right be arranged side by side.
5. a BOSA module, comprise TOSA submodule and ROSA submodule, it is characterized in that: described TOSA submodule and ROSA submodule are packaged in as in the described BOSA module package of claim 1-4 any one housing.
6. BOSA module as claimed in claim 5, it is characterized in that: described TOSA submodule comprises luminous LD array, microlens array, wavelength division multiplexer and the optical fiber collimator arranged according to light path; Described ROSA submodule comprises optical fiber collimator, wavelength division multiplexer, microlens array and the light-receiving PD array arranged according to light path; The PIN pin of the PIN pin of described luminous LD array and light-receiving PD array is connected with the electrical interface of described encapsulating housing respectively; The optical fiber collimator of described TOSA submodule and ROSA submodule is connected with optical interface light corresponding on described encapsulating housing respectively; The wavelength division multiplexer of described TOSA submodule and ROSA submodule forms by a plurality of diaphragms with different reflection and transmission spectrums.
7. BOSA module as claimed in claim 6, it is characterized in that: described wavelength division multiplexer comprises four wavelength-division multiplex demultiplexing passages, wavelength is respectively λ 1, λ 2, λ 3, the λ 4 that meets the CWDM regulation.
8. BOSA module as claimed in claim 7, it is characterized in that: described wavelength division multiplexer comprises five reflection and transmission diaphragms, be respectively diaphragm F1, diaphragm F2, diaphragm F3, diaphragm F4, diaphragm F5, wherein diaphragm F1-F4 lays respectively on λ 1-λ 4 passages, to λ 1-λ 4 transmissions or to reflex to diaphragm F5 upper, λ 1-λ 4 is combined into a branch of at diaphragm F5 respectively; Or the incident light of a branch of λ of comprising 1-λ 4 is decomposed into the four bundle beamlets of λ 1-λ 4 through diaphragm F5-F1 transmission or reflection.
9. BOSA module as claimed in claim 8, it is characterized in that: described diaphragm F1 and F4 are the total reflection diaphragm, and diaphragm F2 is to other wavelength reflections of λ 2 transmissions, and diaphragm F3 is to λ 3 other wave plate transmissions of reflection, and diaphragm F5 is to λ 1 other wavelength transmissions of reflection; During as the wavelength division multiplexer of TOSA submodule, λ 1 reflexes to F5 through F1, and by F5 reflection output; λ 2 is through F2 and F5 transmission output; λ 3 reflexes to F2 through F3, is reflexed to F5 by F2 again, through the F5 transmission, exports; λ 4 reflexes to F3 through F4, through F3, is transmitted into and is mapped to F2, by F2, is reflexed to F5, through the F5 transmission, exports; During as the wavelength division multiplexer of ROSA submodule, light path is contrary.
10. BOSA module as claimed in claim 7, it is characterized in that: described wavelength division multiplexer comprises two diaphragms, two logical light faces of diaphragm one, the one side plating is the rete to λ 3 and λ 4 reflections to λ 1 and λ 2 transmissions, the another side plating total reflection film; Two logical light faces of diaphragm two, the one side plating is the rete to λ 2 and λ 4 reflections to the transmission of λ 1 and λ 3, the another side plating total reflection film; During as the wavelength division multiplexer of ROSA submodule, the Shu Guangjing diaphragm one that closes of λ 1-λ 4 is divided into and comprises λ 1, λ 2 and the two parallel beamlets that comprise λ 3, λ 4, two parallel beamlets, through diaphragm two, further are divided into Siping City's row beamlet by λ 1, λ 2 and λ 3, λ 4; During as the wavelength division multiplexer of TOSA submodule, light path is contrary.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320518247.3U CN203385904U (en) | 2013-08-23 | 2013-08-23 | BOSA module package shell and BOSA module |
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| CN201320518247.3U CN203385904U (en) | 2013-08-23 | 2013-08-23 | BOSA module package shell and BOSA module |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104870069A (en) * | 2015-01-27 | 2015-08-26 | 索尔思光电（成都）有限公司 | Multi-channel, parallel transmission optical module,and methods for manufacturing and application thereof |
| CN107966770A (en) * | 2017-12-14 | 2018-04-27 | 武汉电信器件有限公司 | A kind of external optical device of driving chip |
| CN108418635A (en) * | 2017-08-24 | 2018-08-17 | 四川新易盛通信技术有限公司 | An eight-channel high-speed optical transmission device |
| CN108873196A (en) * | 2018-08-08 | 2018-11-23 | 江苏奥雷光电有限公司 | A kind of multichannel optical assembly |
| CN109416446A (en) * | 2016-10-11 | 2019-03-01 | 华为技术有限公司 | A kind of optical transceiver module |
| CN112014930A (en) * | 2019-05-31 | 2020-12-01 | 华为技术有限公司 | Optical modules, cage assemblies, and single-board interface systems |
-
2013
- 2013-08-23 CN CN201320518247.3U patent/CN203385904U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104870069A (en) * | 2015-01-27 | 2015-08-26 | 索尔思光电（成都）有限公司 | Multi-channel, parallel transmission optical module,and methods for manufacturing and application thereof |
| CN109416446A (en) * | 2016-10-11 | 2019-03-01 | 华为技术有限公司 | A kind of optical transceiver module |
| CN109416446B (en) * | 2016-10-11 | 2020-09-25 | 华为技术有限公司 | Optical transceiver module |
| US10855375B2 (en) | 2016-10-11 | 2020-12-01 | Huawei Technologies Co., Ltd. | Optical transceiver assembly |
| CN108418635A (en) * | 2017-08-24 | 2018-08-17 | 四川新易盛通信技术有限公司 | An eight-channel high-speed optical transmission device |
| CN107966770A (en) * | 2017-12-14 | 2018-04-27 | 武汉电信器件有限公司 | A kind of external optical device of driving chip |
| CN108873196A (en) * | 2018-08-08 | 2018-11-23 | 江苏奥雷光电有限公司 | A kind of multichannel optical assembly |
| CN112014930A (en) * | 2019-05-31 | 2020-12-01 | 华为技术有限公司 | Optical modules, cage assemblies, and single-board interface systems |
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