CN109802745B - 8-channel wavelength division multiplexing/demultiplexing device for 200G/400G optical transceiver module - Google Patents
8-channel wavelength division multiplexing/demultiplexing device for 200G/400G optical transceiver module Download PDFInfo
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Abstract
An 8-channel wavelength division multiplexing/demultiplexing device for a 200G/400G optical transceiver module comprises a first filtering component, a second filtering component and a third filtering component, wherein the first filtering component comprises 3 filtering units I which are sequentially arranged, each filtering unit I transmits two appointed wavelength light waves and reflects the rest wavelength light waves; the first reflecting assembly is arranged relative to the first filtering assembly and is used for reflecting the light wave reflected by the previous filtering unit I to the position of the next filtering unit I; a second wavelength-division component, comprising: the 4 filtering units II are used for transmitting one wavelength of the light waves incident to the filtering units II and reflecting the other wavelengths; and the reflecting unit is arranged opposite to the filtering unit II and is used for receiving the light wave reflected by the filtering unit II and reflecting the light wave. For the high-speed optical transceiver module with 8 paths of wavelength channels, the transmission path of the optical path is more stable and reliable, the manufacture is more convenient and simpler, the temperature dependence of the device is low, the power consumption is low, and the cost is lower.
Description
Technical Field
The invention relates to the optical communication technology, in particular to an 8-channel wavelength division multiplexing/demultiplexing device for a 200G/400G optical transceiver module.
Background
In the field of high-speed data communication, for an optical fiber communication network with a transmission rate required to be 40G/100Gbps, in order to overcome the bottleneck of limitation of the transmission rate of an electrical signal and ensure that data can be transmitted at a high speed in a long distance, a commonly adopted solution is to modulate 4 paths of optical signals with different wavelengths respectively and then multiplex/demultiplex the optical signals into a single-mode optical fiber for transmission. Thus, the electric signal rate of each wavelength channel only needs to reach 10/25Gbps, and the signal transmission rate of 40/100Gbps can be met.
At present, optical design schemes of optical receiving modules with four wavelength channels are divided into a Thin Film Filter (TFF) technology and a planar optical waveguide (PLC AWG) chip technology. Because the PLC AWG chip is sensitive to temperature and the temperature coefficient of the wavelength of the PLC AWG chip reaches 0.011 nm/degree, the PLC AWG chip needs constant temperature when in use, the heat dissipation difficulty of the design of optical devices and modules is increased, and the power consumption is also increased. The TFF technique is widely used because of its excellent temperature characteristics and extremely low insertion loss, and its wavelength temperature coefficient is only-0.002 nm/degree.
A module design scheme based on the thin film filter technology generally adopts a structure as shown in fig. 1, and mainly includes a substrate 170, a collimating coupling lens 110, a reflector 120, a TFF type component 130 (the component 130 includes 4 wavelength TFF diaphragms 1301, 1302, 1303, 1304 for respectively transmitting a specified optical wavelength signal of 4 wavelengths and reflecting other wavelength signals (such as 1271nm, 1291nm, 1311nm, 1331 nm), a focusing lens component 140 (a single lens or a lens array), and a PD component 150, etc., an input light beam from an optical fiber enters the component 130 through the collimating lens 110, and after being reflected for multiple times by the reflector 120, enters the 4 wavelength diaphragms 1301, 1302, 1303, 1304 of the component 130, is further separated into 4 light beams with different wavelengths through the 4 wavelength diaphragms 1301, 1302, 1303, 1304, and is focused to four PD photodetectors 1501, 1303, 1304 in the PD component 150 through the focusing lens component 140, 1502. 1503 and 1504 use the PD photodetectors 1501, 1502, 1503 and 1504 to convert the four optical signals into four electrical signals, and perform point signal amplification by the connected transimpedance amplifiers to receive data. The above-described components are fixed on the substrate 170 of the light receiving device. One of the key devices in the optical transceiver module is a wavelength division/combination device, i.e., the module 120 and the module 130.
Figure 2 is another compact design of a prior art 4-channel splitter. A transmission AR film layer 210 and a reflection HR film layer 220 are respectively plated in a designated area on the left side of the diamond-shaped glass block 240, a film group 230 is attached to a designated position on the other side of the diamond-shaped glass block 240 and comprises TFFs 1231-TFFs 4234, each TFF transmits a designated wavelength and reflects other wavelengths, for example, the TFF 1231 only transmits the lambda 1 wavelength and reflects other 3 wavelengths; TFF 2232 only transmits λ 2 wavelengths, and so on. When optical signals containing 4 wavelengths are input from a left common port, the optical signals pass through the transmission AR film layer 210, the 4 TFF membranes TFF 1231-TFF 4234 and the reflection HR film layer 220, and then corresponding wavelength signals are output at corresponding positions of all TFFs, so that the separation or wavelength division function of the 4 optical signal wavelengths is realized.
The principle and the mode of the wave splitting/combining device can well solve the wave splitting/combining problem of 2-4 wavelengths, but for more wavelengths, especially for a higher speed 200G/400Gbps optical transceiver module, for example, a wave splitting/combining of 8 wavelengths, as shown in fig. 3, the mode has obvious disadvantages:
firstly, the light path is too long, and light is very sensitive to the angle when the light is transmitted inside, and the stability of light path is difficult to guarantee, and the requirement on the collimation of light beam is extremely high, and the light beam collimation of such light path distance is difficult to guarantee.
Secondly, the longitudinal size of the wave splitter/wave combiner is too large, and the requirement of miniaturization and packaging of the optical module cannot be met.
Disclosure of Invention
The invention provides an 8-channel wavelength division multiplexing/demultiplexing device for a 200G/400G optical transceiver module, which aims to solve the problems in the prior art, and has the advantages of more stable and reliable transmission path of an optical path, more convenient and simpler manufacture, low temperature dependence of the device, low power consumption and lower cost for a high-speed optical transceiver module with 8-channel wavelength channels.
In order to achieve the purpose of the invention, the following technology is adopted:
an 8-channel WDM/WDM device for 200G/400G optical transceiver module, comprising:
the first filtering component comprises 3 filtering units I which are sequentially arranged, wherein each filtering unit I transmits two appointed wavelength light waves and reflects the rest wavelength light waves;
the first reflecting assembly is arranged relative to the first filtering assembly and is used for reflecting the light wave reflected by the previous filtering unit I to the position of the next filtering unit I;
a second wavelength-division component, comprising:
the 4 filtering units II are used for transmitting one wavelength of the light waves incident to the filtering units II and reflecting the other wavelengths; the first 3 filter units II are respectively arranged on the transmission light paths of the filter units I; the 4 th filtering unit II is arranged on a reflected light wave optical path of the 3 rd filtering unit I after the reflected light wave is reflected by the first reflecting assembly;
and the reflecting unit is arranged opposite to the filtering unit II and is used for receiving the light wave reflected by the filtering unit II and reflecting the light wave to a light path parallel to the light wave transmitted by the filtering unit II.
According to the concept, the two wavelength light waves transmitted by each filtering unit I are different, and the 3 filtering units I transmit 6 different wavelength light waves in total.
Further, in the first filtering assembly, the fourth filtering unit I is further included, which is sequentially arranged, the first reflecting assembly reflects the light wave reflected by the third filtering unit I to the fourth filtering unit I, and the fourth filtering unit I transmits the specified two wavelength light waves in the reflected light waves to the fourth filtering unit II.
According to the above concept, the 4 filter units I transmit 8 different wavelength light waves in total.
According to the concept, the filter unit I and the filter unit II both adopt TFF diaphragms.
According to the above concept, the reflection unit comprises 4 reflection sheets, and 1 reflection sheet is respectively arranged corresponding to each filter unit II
The filter further comprises a prismatic glass body, the first reflecting assembly is an HR reflecting film arranged in a designated area on one side face of the prismatic glass body, an AR transmitting film is arranged in the designated area on the side face, and the first filtering assembly is arranged on the other side face of the prismatic glass body.
According to the above concept, the transmission light path of the AR transmission film is incident to the initial filtering unit I of the first filtering member.
According to the above concept, the AR transmissive film transmits all incident wavelength light waves.
Furthermore, the LED lamp also comprises a substrate, and all the components are fixed on the substrate. The substrate is a non-expansion glass substrate or a low expansion glass substrate.
According to the above concept, the optical path is used in forward or reverse direction to realize the function of splitting or combining waves.
The technical scheme has the advantages that:
1. the wavelength division multiplexing/demultiplexing of 8 channels is realized through a more compact and effective mode, the defect that the scheme in the prior art cannot be applied to a 200G/400G optical transceiver module is overcome, the optical path is greatly shortened, the influence of overlong optical transmission path, excessive reflection times and angle sensitivity of light rays with partial wavelengths on the stability of the optical path, shorter optical path and fewer reflection times are avoided, the high requirement standard on the collimation of the light beams is reduced, and the realization of collimated light beams and the reduction of cost are facilitated;
2. the existing multi-channel wavelength division multiplexing/demultiplexing device mostly has the problem of overlarge longitudinal size. The adoption of the arrangement mode of the scheme can greatly reduce the longitudinal size of the device and effectively meet the requirement of the high-speed optical transceiver module on miniaturized packaging;
3. the structure of this scheme is easy to carry out in the implementation, and the preparation degree of difficulty is low.
Drawings
Fig. 1 shows one solution for a prior art 4-channel wavelength division multiplexing/demultiplexing device.
Fig. 2 shows a compact solution for a prior art 4-channel wavelength division multiplexing/demultiplexing device.
Fig. 3 shows one solution for a prior art 8-channel wavelength division multiplexing/demultiplexing device.
Fig. 4 shows an embodiment of an 8-channel wavelength division multiplexing/demultiplexing device of the present invention.
Fig. 5 shows another embodiment of an 8-channel wavelength division multiplexing/demultiplexing device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
One embodiment of the present invention is shown in fig. 4.
Comprises a diamond-shaped glass block 340, an AR transmission film layer 310 and an HR reflection film layer 320 are plated on a designated area at one side of the diamond-shaped glass block 340, and 4 TFF film group 330 containing TFF are pasted on the other side of the diamond-shaped glass block 3401331、TFF2332、TFF3333、TFF4334。
The AR transmission film layer 310 serves as a common combined light inlet and outlet, the HR reflection film layer 320 serves as a first reflection module, and the TFF film group 330 constitutes a first filtering module, where each TFF serves as a filtering unit I.
AR transmission film vs. incidentThe 8 wavelength light waves are transmitted and then are incident to the initial filtering unit I and TFF of the first filtering component 1331。
A first filtering assembly comprising 4 filtering units I, TFF arranged in sequence 1331、TFF 2332、TFF 3333、TFF 4334, each filtering unit I transmits the light waves of the two wavelengths designated and reflects the light waves of the remaining wavelengths.
HR reflecting film layer 320 for TFF1331 reflected light beam direction TFF 2332 position reflection, TFF2332 onto the TFF 3333 position reflection, TFF3333 reflected light beam to TFF4334, respectively.
Corresponding thin film filters TFF are respectively arranged at the designated positions on the right side of each TFF membrane 3305351、TFF6352、TFF7353、TFF8354 and a reflecting sheet is correspondingly arranged1361. Reflector plate2362. Reflector plate3363. Reflector plate4364, forming a second demultiplexing assembly, each TFF therein acting as a filter unit II and each reflector plate acting as a reflector unit.
Wherein, TFF 5351 and a reflection sheet1361，TFF 6352 and a reflective sheet2362，TFF 7353 and a reflection sheet3363，TFF 8354 and a reflection sheet4364, respectively forming a module for splitting the combined light containing two wavelengths.
All the above-mentioned elements are fixed on a non-expansion or low-expansion glass substrate, the substrate is not shown in the figure, so that an 8-channel wavelength division multiplexing/demultiplexing device is formed. Forward use, wavelength division multiplexing; the reverse is used, as demultiplexing.
Wherein, TFF 1331 transmits the two specified wavelengths λ 1, λ 2 and reflects the remaining wavelengths; TFF 2332 transmit the two specified wavelengths 3, 4 and reflect the remaining wavelengths; TFF 3333 transmits the specified two wavelengths λ 5, λ 6 and reflects the rest; TFF 4334 transmit the two wavelengths designated λ 7, λ 8 and reflect the remaining wavelengths.
Wherein,TFF 5351 transmitting a specified wavelength λ 2 and reflecting a λ 1 wavelength; TFF 6352 transmits a specified wavelength λ 4 and reflects a wavelength λ 3; TFF 7353 for transmitting specified wavelength lambda 6 and reflecting lambda 5 wavelength; TFF 8354 transmit a specified wavelength, λ 8, and reflect a λ 7 wavelength.
In forward use, optical signals containing 8 wavelengths from a common port, shown in FIG. 4 as the left side of a diamond-shaped glass block 340, enter through the AR transmission film layer 310 and propagate to the TFF1At 331 time two light waves λ 1, λ 2 are transmitted through the TFF 1331, the remaining 6 light waves λ 3- λ 8 are reflected; two transmitted light waves λ 1, λ 2 are TFF 5351 receiving the λ 2 light wave through the TFF 5351, the lambda 1 light wave is reflected to the reflector plate1And then output is carried out after 361.
Is TFF1The lambda 3-lambda 8 light waves reflected by the 331 are transmitted to the HR reflecting film layer 320 and then reflected to the TFF 2332, wherein specified two light waves λ 3, λ 4 are transmitted through the TFF 2332, reflecting the rest 4 light waves lambda 5-lambda 8; the two wavelengths λ 3, λ 4 transmitted light are received by TFF 6352, where the λ 4 wavelength light is transmitted through the TFF 6352 output, and the lambda 3 light wave is reflected to the reflector plate2362 and then outputs.
The above steps are repeated until the lambda 8 light wave is transmitted through the TFF 8354 output, λ 7 light wave is reflected to the reflective sheet4364, thereby completing the wave division of the 8 channel optical signals.
According to the principle of light reversibility, the same method is adopted, the input is carried out on the other side of the embodiment, and the input is respectively carried out on the TFFs 5351、TFF 6352、TFF 7353、TFF 8354 and a reflecting sheet is correspondingly arranged1361. Reflector plate2362. Reflector plate3363. Reflector plate4364, which inputs light with 1 wavelength, and total 8 wavelength signals, specifically, in this embodiment, the right side in fig. 4 inputs corresponding optical signals with 8 wavelengths, which can complete 8-channel multiplexing function and implement 8-channel demultiplexing.
As another implementation of this embodiment, TFF may be omitted4334, i.e. the first filtering component comprises only 3 successive layersAnd a filtering unit I. The light waves finally reflected by the HR reflecting film layer 320 and containing lambda 7 and lambda 8 are directly incident to the TFF 8354, 8 light wave transmission TFF 8354 output, λ 7 light wave is reflected to the reflective sheet4364, and can also complete the wave division of the 8 channel optical signals without influencing the main performance.
Another embodiment of the present invention is shown in fig. 5.
Comprises a diamond-shaped glass block 440, an AR transmission film layer 410 and an HR reflection film layer 420 are plated on a designated area at one side of the diamond-shaped glass block 440, and 4 TFF film groups are attached at the other side of the diamond-shaped glass block 440 and comprise TFF 1431、TFF 2432、TFF 3433、TFF 4434。
Corresponding thin film filters TFF are respectively arranged at the designated positions on the right side of each TFF membrane 4305451、TFF 6452、TFF7453、TFF 8454, and a reflective sheet is correspondingly arranged1461. Reflector plate2462. Reflector plate3463. Reflector plate4464。
All the above-mentioned elements are fixed on a non-expansion or low-expansion glass substrate, the substrate is not shown in the figure, so that an 8-channel wavelength division multiplexing/demultiplexing device is formed. Forward use, wavelength division multiplexing; the reverse is used, as demultiplexing.
Wherein, TFF 1431 transmits the two wavelengths λ 1, λ 2 specified, and reflects the remaining wavelengths; TFF 2432 transmit the two specified wavelengths 3, 4 and reflect the remaining wavelengths; TFF 3433 transmit the specified two wavelengths λ 5, λ 6 and reflect the rest of the wavelengths; TFF 4434 transmit the two wavelengths designated λ 7, λ 8 and reflect the remaining wavelengths.
The embodiment shown in fig. 4 differs in that:
TFF7453, transmit a specified wavelength λ 5, reflect a λ 6 wavelength;
When used in the forward direction, according to the same wave-splitting principle, 8-wavelength combined light can enter the TFF from the left side of the diamond-shaped glass block 440 through the AR transmission film layer 410 as shown in FIG. 55451、TFF 6452、TFF7453、TFF 8454, and a reflective sheet is correspondingly arranged1461. Reflector plate2462. Reflector plate3463. Reflector plate4464 respectively obtain optical signals with 1 wavelength, and realize the wave division of optical signals with 8 channels.
According to the principle of light reversibility, the same method is adopted, the input is carried out on the other side of the embodiment, and the input is respectively carried out on the TFFs 5451、TFF 6452、TFF7453、TFF 8454, and a reflective sheet is correspondingly arranged1461. Reflector plate2462. Reflector plate3463. Reflector plate4464 respectively inputs light with 1 wavelength, and the total is 8 wavelength signals, specifically, in this embodiment, the right side in fig. 5 inputs corresponding optical signals with 8 wavelengths, which can complete an 8-channel multiplexing function and realize demultiplexing of 8 channels.
As another implementation of this example, TFF 4434 may be omitted without affecting primary performance and will not be described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is apparent that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. An 8-channel WDM/WDM device for 200G/400G optical transceiver module, comprising:
the first filtering component comprises 3 filtering units I which are sequentially arranged, wherein each filtering unit I transmits two appointed wavelength light waves and reflects the rest wavelength light waves;
the first reflecting assembly is arranged relative to the first filtering assembly and is used for reflecting the light wave reflected by the previous filtering unit I to the position of the next filtering unit I;
a second wavelength-division component, comprising:
the 4 filtering units II are used for transmitting one wavelength of the light waves incident to the filtering units II and reflecting the other wavelengths; the first 3 filter units II are respectively arranged on the transmission light paths of the filter units I; the 4 th filtering unit II is arranged on a reflected light wave optical path of the 3 rd filtering unit I after the reflected light wave is reflected by the first reflecting assembly;
the reflecting unit arranged opposite to the filtering unit II comprises 4 reflecting sheets, and 1 reflecting sheet is arranged corresponding to each filtering unit II respectively and used for receiving the light waves reflected by the filtering unit II and reflecting the light waves.
2. The 8-channel wavelength division multiplexing/demultiplexing device for a 200G/400G optical transceiver module according to claim 1, wherein: in the first filtering assembly, the optical fiber coupler further comprises a 4 th filtering unit I which is sequentially arranged, the first reflecting assembly reflects the light wave reflected by the 3 rd filtering unit I to the 4 th filtering unit I, and the 4 th filtering unit I transmits the specified two wavelength light waves in the reflected light waves to the 4 th filtering unit II.
3. The 8-channel wavelength division multiplexing/demultiplexing device for a 200G/400G optical transceiver module according to claim 1, wherein: the filter unit I and the filter unit II both adopt TFF diaphragms.
4. The 8-channel wavelength division multiplexing/demultiplexing device for a 200G/400G optical transceiver module according to claim 1, wherein: and the reflecting unit is used for receiving the light wave reflected by the filtering unit II and reflecting the light wave to a light path parallel to the light wave transmitted by the filtering unit II.
5. The 8-channel WDM/WDM device according to any one of claims 1-4, wherein: the optical fiber filter further comprises a prismatic glass body, the first reflecting assembly is an HR reflecting film arranged in a designated area on one side face of the prismatic glass body, an AR transmission film is arranged in the designated area on the side face, and the first filtering assembly is arranged on the other side face of the prismatic glass body.
6. The 8-channel WDM/WDM device according to claim 5, wherein: the AR transmission film transmits all incident wavelength light waves and transmits the incident wavelength light waves to the initial filtering unit I of the first filtering assembly.
7. The 8-channel wavelength division multiplexing/demultiplexing device for a 200G/400G optical transceiver module according to claim 1, wherein: the LED display panel further comprises a substrate, and all the components are fixed on the substrate.
8. The 8-channel wavelength division multiplexing/demultiplexing device for a 200G/400G optical transceiver module according to claim 7, wherein: the substrate is a non-expansion glass substrate or a low expansion glass substrate.
9. The 8-channel wavelength division multiplexing/demultiplexing device for a 200G/400G optical transceiver module according to claim 1, wherein: the optical path is used in forward or reverse direction to realize the function of splitting or combining waves.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206020721U (en) * | 2016-08-02 | 2017-03-15 | 福建中策光电股份公司 | A kind of air-gap type dense wave division multipurpose module |
| CN104823392B (en) * | 2013-10-18 | 2017-04-12 | 华为技术有限公司 | Bi-directional optical sub assembly |
| WO2017120270A1 (en) * | 2016-01-04 | 2017-07-13 | Gray Research LLC | Massively parallel computer, accelerated computing clusters, and two dimensional router and interconnection network for field programmable gate arrays, and applications |
| CN107102405A (en) * | 2016-02-19 | 2017-08-29 | 深圳新飞通光电子技术有限公司 | A kind of light emission component with aimer, light-receiving component and optical module |
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| CN2762445Y (en) * | 2004-12-23 | 2006-03-01 | 武汉光迅科技有限责任公司 | Mixed multi-density wavelength division multiplex |
| CN105652380A (en) * | 2016-03-10 | 2016-06-08 | 苏州伽蓝致远电子科技股份有限公司 | Eight-channel wavelength division multiplexer based on narrow band pass filtering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104823392B (en) * | 2013-10-18 | 2017-04-12 | 华为技术有限公司 | Bi-directional optical sub assembly |
| WO2017120270A1 (en) * | 2016-01-04 | 2017-07-13 | Gray Research LLC | Massively parallel computer, accelerated computing clusters, and two dimensional router and interconnection network for field programmable gate arrays, and applications |
| CN107102405A (en) * | 2016-02-19 | 2017-08-29 | 深圳新飞通光电子技术有限公司 | A kind of light emission component with aimer, light-receiving component and optical module |
| CN206020721U (en) * | 2016-08-02 | 2017-03-15 | 福建中策光电股份公司 | A kind of air-gap type dense wave division multipurpose module |
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Address after: Mianyang City, Sichuan province 621000 Excelle Youxian Road Economic Development Zone No. 1 Applicant after: Guanglian Xuntong Technology Group Co., Ltd. Address before: Mianyang City, Sichuan province 621000 Excelle Youxian Road Economic Development Zone No. 1 Applicant before: Mianyang light Link Technology Co., Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |