CN201063636Y - PLC type single fiber bidirectional twin port component - Google Patents
PLC type single fiber bidirectional twin port component Download PDFInfo
- Publication number
- CN201063636Y CN201063636Y CNU2007201219079U CN200720121907U CN201063636Y CN 201063636 Y CN201063636 Y CN 201063636Y CN U2007201219079 U CNU2007201219079 U CN U2007201219079U CN 200720121907 U CN200720121907 U CN 200720121907U CN 201063636 Y CN201063636 Y CN 201063636Y
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Abstract
The utility model provides a PLC single-fiber bidirectional twin-port component which comprises a single optical fiber connector, a PLC type 1x2 optical multiplexer chip and a TO-CAN packaging optical transmitting and receiving pipe holder, wherein, the PLC type 1x2 optical multiplexer chip is provided with a dominant waveguide, a downgoing waveguide and an upgoing waveguide; a spherical lens is arranged on the center of a pipe cap of the TO-CAN packaging optical transmitting and receiving pipe holder; an optical transmitting LD chip, an optical power monitoring MPD, a transimpedance amplifier TIA, a membrane filter and a optical signal receiving PD chip are arranged inside the TO-CAN packaging optical transmitting and receiving pipe holder; the optical transmitting LD chip is used for transmitting upgoing digital data optical signal lambda 2 which is then outputted through the single optical fiber connector; the membrane filter perfectly transmits downgoing digital data optical signal lambda 1 and completely isolates the upgoing digital data optical signal lambda 2; the optical signal receiving PD chip is used for receiving the downgoing digital data optical signal lambda 1 which is then converted into electric signal and outputted. The utility model has the advantages of simple structure, small number of components and parts, and low cost.
Description
Technical field
The utility model relates to the light transmit-receive integrated assembly that is used for FTTx (optical fiber is to x, and x represents sub-district, dwelling house, floor or family etc.) system, relates in particular to the single fiber bi-directional dual-port assembly that is used for FTTH (Fiber to the home) system.
Background technology
A present traditional single fiber bi-directional dual-port assembly (single fiber, first port is a light emitting devices, second port is an optical pickup apparatus and one fen optical filter), usually adopt "T"-shaped structure as shown in Figure 1, comprise: a monofiber connector 1, one is used to launch the optical transmitting set 2 of the coaxial TO-CAN encapsulation (Transistor Outline Can Package) of upstream digital data light signal λ 2, one is used to receive optical receiver 3 and one fen optical filter 4 of the TO-CAN encapsulation of descending numerical data light signal λ 1, the pipe cap center of optical transmitting set 2 and optical receiver 3 is equipped with globe lens, is used to converge emission light beam and receiving beam.Wherein, monofiber connector 1 aligns along the optical axis optical coupling with optical transmitting set 2, be about 45 degree on the optical axis that divides optical filter 4 to be positioned at both and place, the optical axis of optical receiver 3 and aforementioned optical axis are approximate 90 degree angles, form thus and are similar to T " the single fiber bi-directional dual-port assembly of shape structure.The light path principle of this assembly is as follows: near the descending numerical data light signal λ 1 of wavelength 1490nm is by the end face input of monofiber connector 1, after 4 total reflections of minute optical filter, receive by optical receiver 3, and should convert signal of telecommunication output to by descending numerical data light signal λ 1; Optical transmitting set 2 then converts electrical modulation signal near the upstream digital data light signal λ 2 of wavelength 1310nm, behind minute optical filter 4 total transmissivities, be coupled to the fiber end face output of monofiber connector 1 along optical axis, therefore finish the output of upstream digital data light signal λ 2 and the input of descending numerical data light signal λ 1 by monofiber connector 1, realize the purpose of the single fiber bi-directional dual-port assembly transmission that the electric port by the electric port of optical transmitting set 2 and optical receiver 3 constitutes.The single fiber bi-directional dual-port assembly of this "T"-shaped structure is made of two TO-CAN, and its structural volume is big, and assembling is complicated, the cost height.
The utility model content
In order to overcome above shortcoming, the utility model provides a kind of compact conformation, and volume is little, the PLC type single fiber bi-directional dual-port assembly that cost is low.
To achieve the above object of the invention, the utility model provides a kind of PLC type single fiber bi-directional dual-port assembly, comprising: a monofiber connector is respectively applied for line number digital data light signal λ 1 input once and a upstream digital data light signal λ 2 outputs; One PLC type, 1 * 2 partial wave wave multiplexer chip, this partial wave wave multiplexer chip is provided with one tunnel master's waveguide, the coupling of one end of this main waveguide and single fiber light end face, the other end are provided with one and are used to the up waveguide transmitting the descending waveguide of described descending numerical data light signal λ 1 and be used to transmit upstream digital data light signal λ 2; One TO-CAN encapsulation light transmitting-receiving base, the pipe cap center of this base is provided with a globe lens that is used to converge described light signal λ 1 and λ 2 light beams, establish in this base: light emission LD chip, be used to launch described upstream digital data light signal λ 2 and converge to up waveguide and transfer to described main waveguide through described globe lens, and by described monofiber connector output; One luminous power monitors MPD; One transimpedance amplifier TIA; One plural layers filter, described film filter are isolated upstream digital data light signal λ 2 entirely to descending numerical data light signal λ 1 total transmissivity; One light signal receives the PD chip, is used to receive by the descending numerical data light signal λ 1 behind the described film filter total transmissivity and converts thereof into the signal of telecommunication export.
Described TO-CAN encapsulation light transmitting-receiving base is the TO-46 base of 8 pin pins.
Because the PLC type single fiber bi-directional dual-port assembly of said structure, because its structure only comprises the TO-CAN encapsulation light transmitting-receiving base of a monofiber connector, a PLC type 1 * 2 partial wave wave multiplexer chip and an integrated light emission LD chip and light-receiving PD core, simple in structure, components and parts are few, cost is low.
Description of drawings
Fig. 1 represents the generalized section of the single fiber bi-directional dual-port assembly of prior art;
Fig. 2 represents the light path principle figure of PLC type single fiber bi-directional dual-port assembly of the present utility model.
Embodiment
Describe the utility model most preferred embodiment in detail below in conjunction with accompanying drawing.
By PLC type single fiber bi-directional dual-port assembly shown in Figure 2, comprise: a monofiber connector 10, be respectively applied for line number digital data light signal λ 1 input and a upstream digital data light signal λ 2 outputs, wherein, descending numerical data light signal λ 1 wavelength is near 1490nm, and upstream digital data light signal λ 2 wavelength are near 1310nm; One PLC type, 1 * 2 partial wave wave multiplexer chip 20, this chip is a silicon optical bench, be provided with one tunnel master's waveguide 21, one end of this main waveguide and the coupling of single fiber light end face, the other end are provided with a up waveguide 23 that is used to transmit the descending waveguide 22 of described descending numerical data light signal λ 1 and is used to transmit upstream digital data light signal λ 2; One TO-CAN encapsulation light transmitting-receiving base 30, the pipe cap center of this base is provided with a globe lens 31 that is used to converge described light signal λ 1 and λ 2 light beams, establish in this base: light emission LD chip 32, be used to launch described upstream digital data light signal λ 2 and converge to up waveguide 23 and transfer to described main waveguide 21 through described globe lens 31, and by described monofiber connector 10 outputs; One luminous power monitors MPD36; One transimpedance amplifier TIA35; One plural layers filter 33, described film filter are isolated upstream digital data light signal λ 2 entirely to descending numerical data light signal λ 1 total transmissivity; One light signal receives PD chip 34, is used to receive by the descending numerical data light signal λ 1 behind described film filter 33 total transmissivities and converts thereof into the signal of telecommunication export.
The TO-CAN encapsulation light transmitting-receiving base 30 of said structure, its structure is the TO-46 base of 8 pin pins, structure is little, same base can be launched upstream digital data light signal λ 2, also can receive descending numerical data light signal λ 1, PLC type 1 * 2 partial wave wave multiplexer with traditional branch optical filter employing silicon optical bench makes whole modular construction compactness, and cost is low.
Claims (2)
1. PLC type single fiber bi-directional dual-port assembly is characterized in that this assembly comprises: a monofiber connector (10) is respectively applied for line number digital data light signal λ 1 input and a upstream digital data light signal λ 2 is exported; One PLC type, 1 * 2 partial wave wave multiplexer chip (20), this partial wave wave multiplexer chip is provided with one tunnel master's waveguide (21), one end of this main waveguide and the coupling of single fiber light end face, the other end is provided with a up waveguide (23) that is used to transmit the descending waveguide (22) of described descending numerical data light signal λ 1 and is used to transmit upstream digital data light signal λ 2; One TO-CAN encapsulation light transmitting-receiving base (30), the pipe cap center of this base is provided with a globe lens (31) that is used to converge described light signal λ 1 and λ 2 light beams, establish in this base: light emission LD chip (32), be used to launch described upstream digital data light signal λ 2 and converge to up waveguide (23) and transfer to described main waveguide (21), and export by described monofiber connector (10) through described globe lens (31); One luminous power monitors MPD (36); One transimpedance amplifier TIA (35); One plural layers filter (33), described film filter are isolated upstream digital data light signal λ 2 entirely to descending numerical data light signal λ 1 total transmissivity; One light signal receives PD chip (34), is used for receiving by the descending numerical data light signal λ 1 behind described film filter (33) total transmissivity and converts thereof into the signal of telecommunication exporting.
2. PLC type single fiber bi-directional dual-port assembly according to claim 1 is characterized in that, described TO-CAN encapsulation light transmitting-receiving base (30) is the TO-46 base of 8 pin pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201219079U CN201063636Y (en) | 2007-07-26 | 2007-07-26 | PLC type single fiber bidirectional twin port component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201219079U CN201063636Y (en) | 2007-07-26 | 2007-07-26 | PLC type single fiber bidirectional twin port component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201063636Y true CN201063636Y (en) | 2008-05-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201219079U Expired - Lifetime CN201063636Y (en) | 2007-07-26 | 2007-07-26 | PLC type single fiber bidirectional twin port component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201063636Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034899A (en) * | 2010-10-25 | 2011-04-27 | 江苏飞格光电有限公司 | TO-CAN coaxial miniaturization package method for BOSA |
| CN103456829A (en) * | 2012-05-30 | 2013-12-18 | 国家电网公司 | Monolithic integration PON (passive optical network) ONU (optical network unit) end optical transceiving chip and manufacturing method thereof |
| WO2015066948A1 (en) * | 2013-11-08 | 2015-05-14 | 昂纳信息技术（深圳）有限公司 | Single optical fibre coupled multi-wavelength light transceiving module |
| CN114690341A (en) * | 2022-03-18 | 2022-07-01 | 武汉光迅科技股份有限公司 | TO packaging structure with light incoming detection function and manufacturing method thereof |
-
2007
- 2007-07-26 CN CNU2007201219079U patent/CN201063636Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034899A (en) * | 2010-10-25 | 2011-04-27 | 江苏飞格光电有限公司 | TO-CAN coaxial miniaturization package method for BOSA |
| CN103456829A (en) * | 2012-05-30 | 2013-12-18 | 国家电网公司 | Monolithic integration PON (passive optical network) ONU (optical network unit) end optical transceiving chip and manufacturing method thereof |
| CN103456829B (en) * | 2012-05-30 | 2016-08-10 | 国家电网公司 | A kind of single-chip integration PON ONU end light transceiving chip and preparation method thereof |
| WO2015066948A1 (en) * | 2013-11-08 | 2015-05-14 | 昂纳信息技术（深圳）有限公司 | Single optical fibre coupled multi-wavelength light transceiving module |
| CN114690341A (en) * | 2022-03-18 | 2022-07-01 | 武汉光迅科技股份有限公司 | TO packaging structure with light incoming detection function and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080521 |