CN101374023B - Optical communication device - Google Patents
Optical communication device Download PDFInfo
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- CN101374023B CN101374023B CN2007101469238A CN200710146923A CN101374023B CN 101374023 B CN101374023 B CN 101374023B CN 2007101469238 A CN2007101469238 A CN 2007101469238A CN 200710146923 A CN200710146923 A CN 200710146923A CN 101374023 B CN101374023 B CN 101374023B
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Abstract
The invention discloses an optical communication device, which comprises a substrate, an optical fiber assembly, a first carrier, a second carrier, a first light transmitter, and a second light transmitter. A first reference axis is defined on the substrate, and the substrate has a receptacle unit formed on the first reference axis. The optical fiber assembly is fixed inside the receptacle unit and comprises an optical fiber. The first carrier and the second carrier are fixed on the substrate and locate on the first reference axis. The first light transmitter is fixed on the first carrier and optically coupled with the optical fiber. The second light transmitter is fixed on the second carrier and optically coupled with the optical fiber.
Description
Technical field
The present invention relates to a kind of optical communication apparatus (optical communication device), particularly utilize stack architecture to allow two optical transmitting sets can transmit the optical communication apparatus of data simultaneously by an optical fiber.
Background technology
Nowadays existing being everlasting asymmetricly transmitted the practice of data between two communication units, for example, produce different data transmission rates (data rate) at two direction of transfers.Data transmission rate in suitable especially two direction of transfers of this practice or frequency range (bandwidth) are when having a long way to go.Asymmetrical online in order to produce, the existing practice is to connect two communication units by optical fiber.It is not at different directions an optical fiber to be set respectively that this optical fiber connects, and carries out two-way transfer of data exactly in an optical fiber.And under the situation of only using an optical fiber, data are that with semiduplex mode (half-duplex mode) or side by side (if using different wave length) is transmitted in optical fiber.
In addition, in the prior art, asymmetric transfer of data has only a direction of transfer to need high frequency range.For example, the connection between video camera, control unit and screen has only the high frequency range that needs the Giga-bit/s scope from the connection that data are sent to screen from video camera.By contrast, the control unit control signal that is transferred to video camera in the opposite direction only needs the low frequency range of K-bit/s scope usually.
See also Fig. 1, Fig. 1 is the profile of existing optical communication apparatus 1.As shown in Figure 1, an optical transmitting set 12 is fixed in the substrate 10, and optical communication apparatus 1 has an optical axis 14 of a vertical substrate 10.Optical transmitting set 12 is along optical axis 14 emission light.In other words, optical transmitting set 12 is the wall emission optical transmitting set.
Yet, when the needs data quantity transmitted becomes big, only use an optical transmitting set to send data and will certainly use inadequately, must try this moment to consider to use the above optical transmitting set of two kinds of wavelength to send data by optical fiber.But the encapsulating structure of wall emission optical transmitting set is difficult for reaching this purpose.
Summary of the invention
The purpose of this invention is to provide a kind of optical communication apparatus, can allow plural optical transmitting set transmit data by an optical fiber simultaneously by its structure.
The optical communication apparatus of a preferred embodiment of the present invention (optical communication device), it comprises a substrate (Base), an optical fiber component (optical fiber module), one carrier (submount), a carrier, one first optical transmitting set (light emitter) and one second optical transmitting set for the second time for the first time.Define one first reference axis (reference axis) in the described substrate and have a receptacle portion (receptacle portion) that is formed on described first reference axis.Described optical fiber component is fixed in the described receptacle portion.Described optical fiber component comprises an optical fiber (optical fiber).Carrier was fixed in the described substrate and was positioned on described first reference axis described first time.Carrier was fixed in the described substrate and was positioned on described first reference axis described second time, wherein said first time carrier be placed in described second time carrier and described optical fiber component between and be close to described second time of carrier.Described second time, the height of carrier was higher than the height of described first time of carrier.Described first optical transmitting set be fixed on described first time of the carrier and optical coupled to described optical fiber.Described first optical transmitting set in order to be driven produce one first forward light signal (forward lightsignals) enter the end face (facet) of described optical fiber.Described first forward light signal immediately by described Optical Fiber Transmission.Described second optical transmitting set be fixed on described second time of the carrier and optical coupled to described optical fiber.Described second optical transmitting set in order to be driven produce one second forward light signal enter the described end face of described optical fiber.Described second forward light signal immediately by described Optical Fiber Transmission.
Therefore, optical communication apparatus of the present invention can allow two optical transmitting sets transmit data by an optical fiber simultaneously, and improve data transmission rate whereby.In addition, the present invention can apply to bi-directional symmetrical or two-way asymmetrical transmission means, and this depends on the quantity of optical transmitting set.
Description of drawings
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment of the present invention is described in detail below in conjunction with accompanying drawing:
Fig. 1 is the profile of existing optical communication apparatus;
Fig. 2 is the schematic diagram of the optical communication apparatus of a preferred embodiment of the present invention;
Fig. 3 A is the vertical view of the relative position of first optical transmitting set among Fig. 2 and second optical transmitting set; And
Fig. 3 B is the end view of Fig. 3 A.
Embodiment
See also Fig. 2, Fig. 2 is the schematic diagram of the optical communication apparatus 3 of a preferred embodiment of the present invention.As shown in Figure 2, optical communication apparatus 3 comprises a substrate 30, an optical fiber component 32, a carrier 34, a carrier 36, one first optical transmitting set 38 and one second optical transmitting set 40 for the second time for the first time.
As shown in Figure 2, definition one first reference axis 300 and have a receptacle portion 302 that is formed on described first reference axis 300 in the described substrate 30.Described optical fiber component 32 is fixed in the described receptacle portion 302.Described optical fiber component 32 comprises an optical fiber 320.
In addition, carrier 34 was fixed in the described substrate 30 and was positioned on described first reference axis 300 described first time.Carrier 36 was fixed in the described substrate 30 and was positioned on described first reference axis 300 described second time, wherein said first time carrier 34 be placed in described second time carrier 36 and described optical fiber component 32 between and be close to described second time of carrier 36.Described second time, carrier 36 height was higher than described first time of carrier 34 height.
Equally as shown in Figure 2, described first optical transmitting set 38 be fixed on described first time of the carrier 34 and optical coupled to described optical fiber 320.Described first optical transmitting set 38 in order to be driven produce one first forward light signal enter an end face of described optical fiber 320.Described first forward light signal immediately by 320 transmission of described optical fiber.
Similarly, described second optical transmitting set 40 be fixed on described second time of the carrier 36 and optical coupled to described optical fiber 320.Described second optical transmitting set 40 in order to be driven produce one second forward light signal enter the described end face of described optical fiber 320.Described second forward light signal immediately by 320 transmission of described optical fiber.
In a preferred embodiment, optical communication apparatus 3 of the present invention further comprises one first lens assembly (lens module) 42.Described first lens assembly 42 is fixed in the described substrate 30 and is positioned on described first reference axis 300.Described first lens assembly 42 be placed in described first time carrier 34 and described optical fiber component 32 between, wherein said first forward light signal and described second forward light signal be to focus on the described end face that enters described optical fiber 320 by described first lens assembly 42.
In a preferred embodiment, described first optical transmitting set 38 is one first limit emitting laser transistor (edge-emitting laser diode), and described second optical transmitting set 40 is one second limit emitting laser transistor.The wavelength of laser diode has multiple choices, and in the present embodiment, selecting wavelength for use is the laser diode of 1310nm and 1550nm.
See also Fig. 3 A and Fig. 3 B.Fig. 3 A is the vertical view of the relative position of first optical transmitting set 38 among Fig. 2 and second optical transmitting set 40.Fig. 3 B is the end view of Fig. 3 A.Shown in Fig. 3 A and Fig. 3 B, in a preferred embodiment, the described second limit emitting laser transistor part is unsettled and on the described first limit emitting laser transistor and do not contact with each other.
In a preferred embodiment, described substrate 30 has a plurality of weld pads (bond pad) (being not shown among Fig. 3 A and Fig. 3 B).Described first time carrier 34 have with described these weld pads in one do one first conductive surface 340 that wiring engages (wire bonding) with wiring 306.Similarly, the described second time carrier 36 have with described these weld pads in one do one second conductive surface 360 that wiring engages with wiring 306.
Be shown in Fig. 3 A and Fig. 3 B equally, relatively, the described first limit emitting laser transistor have with described these weld pads in one do one first top electrode 380 that wiring engages and one first hearth electrode 382 that engages with described first conductive surface 340 with wiring 306, and the described second limit emitting laser transistor have with described these weld pads in one do one second top electrode 400 that wiring engages and one second hearth electrode 402 that engages with described second conductive surface 360 with wiring 306.
See also Fig. 2, in a preferred embodiment, optical communication apparatus 3 of the present invention further comprises one first photodetector (photodetector) 44 and one second photodetector 46.
As shown in Figure 2, described first photodetector 44 be fixed in the described substrate 30 and optical coupled to the described first limit emitting laser transistor, described first photodetector 44 is in order to receiving one first backlight of being launched by the described first limit emitting laser transistor (backward light), and described first backlight is at the transmitting power of the described first limit emitting laser transistor benchmark that affords redress.
Equally as shown in Figure 2, described second photodetector 46 be fixed in the described substrate 30 and optical coupled to the described second limit emitting laser transistor, described second photodetector 46 is in order to receiving one second backlight of being launched by the described second limit emitting laser transistor, and described second backlight is at the transmitting power of the described second limit emitting laser transistor benchmark that affords redress.
See also Fig. 3 A and Fig. 3 B, in order to allow described first photodetector 44 receive described first backlight of being launched by the described first limit emitting laser transistor, in a preferred embodiment, described second time, carrier 36 had an opening 362, described opening 362 penetrates along described first reference axis 300, causes described first backlight can pass described opening 362 and arrives described first photodetector 44.
Be noted that in another preferred embodiment at this, described first forward light signal or described second forward the form of light signal can meet HDCP (High-Bandwidth Digital Content Protection, HDCP) standard.And for the data (for example, the video streaming that uncompressed is crossed) that will transmit the Giga-bit/s scope, optical communication apparatus of the present invention can select to use the optical fiber of glass fibre material to transmit data.
In addition, see also Fig. 2, in a preferred embodiment, definition one second reference axis 304 in the described substrate 30, described optical communication apparatus 3 further comprises one the 3rd photodetector 48 and a wavelength selection type filter (wavelength selective filter) 50.
As shown in Figure 2, described the 3rd photodetector 48 is fixed in the described substrate 30 and is positioned on described second reference axis 304.
Equally as shown in Figure 2, described wavelength selection type filter 50 is fixed in the described substrate 30 and is positioned on described first reference axis 300.Described wavelength selection type filter 50 difference optical coupled are to described optical fiber 320 and described the 3rd photodetector 48.Described wavelength selection type filter 50 will be in order to reflexing to described the 3rd photodetector 48 by a reverse optical signal (backward light signals) of described optical fiber 320 transmission.Described the 3rd photodetector 48 is in order to receive described reverse optical signal.Wherein, the form of described reverse optical signal can meet the HDCP standard.
In addition, in another embodiment, described optical fiber 320 also can transmit a plurality of reverse optical signals, and the configuration by a plurality of wavelength selection type filters and a plurality of photodetectors, makes other described reverse optical signal reflex to other described photodetector.
See also Fig. 2 equally, in a preferred embodiment, optical communication apparatus 3 of the present invention further comprises one second lens assembly 52.Described second lens assembly 52 is fixed in the described substrate 30 and is positioned on described second reference axis 304.Described second lens assembly 52 is placed between described wavelength selection type filter 50 and described the 3rd photodetector 48, and wherein said a plurality of reverse optical signals focus to described the 3rd photodetector 48 by described second lens assembly 52.
Compare prior art, optical communication apparatus of the present invention, it can use two, optical transmitting set adjoining more than three or four transmits data by an optical fiber simultaneously.Whereby, can solve when the needs data quantity transmitted becomes big, only use an optical transmitting set to send the problem of not enough use that data cause.
Below the preferred embodiment of the present invention/utility model is specified, but the present invention/utility model is not limited to described embodiment, those of ordinary skill in the art also can make all modification that is equal to or replacement under the prerequisite of the present invention/utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (11)
1. an optical communication apparatus is characterized in that, comprises:
One substrate;
One optical fiber component, described optical fiber component are fixed in the described substrate, and described optical fiber component comprises an optical fiber;
One carrier for the first time, described first time, carrier was fixed in the described substrate;
One carrier for the second time, described second time, carrier was fixed in the described substrate, wherein said first time carrier be placed in described second time carrier and described optical fiber component between and be close to described second time of carrier, described second time, the height of carrier was higher than the height of described first time of carrier;
One first optical transmitting set, described first optical transmitting set be fixed on described first time of the carrier and optical coupled to described optical fiber, described first optical transmitting set in order to be actuated to produce one first forward light signal enter an end face of described optical fiber, described first forward light signal immediately by described Optical Fiber Transmission; And
One second optical transmitting set, described second optical transmitting set be fixed on described second time of the carrier and optical coupled to described optical fiber, described second optical transmitting set in order to be driven produce one second forward light signal enter the described end face of described optical fiber, described second forward light signal immediately by described Optical Fiber Transmission.
2. optical communication apparatus as claimed in claim 1 is characterized in that: definition has one first reference axis in the described substrate, and described first time, carrier was positioned on described first reference axis, and described second time, carrier was positioned on described first reference axis.
3. as optical communication apparatus as described in the claim 2, it is characterized in that: it further comprises one first lens assembly, described first lens assembly is fixed in the described substrate and is positioned on described first reference axis, described first lens assembly be placed in described first time carrier and described optical fiber component between, wherein said first forward light signal and described second forward described first lens assembly of optical signals focus on the described end face that enters described optical fiber.
4. optical communication apparatus as claimed in claim 2 is characterized in that: described first optical transmitting set is one first limit emitting laser transistor, and described second optical transmitting set is one second limit emitting laser transistor.
5. optical communication apparatus as claimed in claim 4 is characterized in that: the described second limit emitting laser transistor part is unsettled on the described first limit emitting laser transistor and be not in contact with one another.
6. optical communication apparatus as claimed in claim 4, it is characterized in that: described substrate has a plurality of weld pads, described first time carrier have with described these weld pads in one do one first conductive surface that wiring engages, described second time carrier have with described these weld pads in one do one second conductive surface that wiring engages, the described first limit emitting laser transistor have with described these weld pads in one do one first top electrode that wiring engages and one first hearth electrode that engages with described first conductive surface, and the described second limit emitting laser transistor have with described these weld pads in one do one second top electrode that wiring engages and one second hearth electrode that engages with described second conductive surface.
7. optical communication apparatus as claimed in claim 4 is characterized in that, further comprises:
One first photodetector, described first photodetector be fixed in the described substrate and optical coupled to the described first limit emitting laser transistor, described first photodetector is in order to receiving one first backlight of being launched by the described first limit emitting laser transistor, and described first backlight is at the transmitting power of the described first limit emitting laser transistor benchmark that affords redress; And
One second photodetector, described second photodetector be fixed in the described substrate and optical coupled to the described second limit emitting laser transistor, described second photodetector is in order to receiving one second backlight of being launched by the described second limit emitting laser transistor, and described second backlight is at the transmitting power of the described second limit emitting laser transistor benchmark that affords redress.
8. optical communication apparatus as claimed in claim 7 is characterized in that: described second time, carrier had an opening, and described opening penetrates along described first reference axis, causes described first backlight to be penetrated and passes described opening.
9. optical communication apparatus as claimed in claim 2 is characterized in that: described first forward light signal and described second forward the form of light signal can meet HDCP HDCP standard.
10. optical communication apparatus as claimed in claim 2 is characterized in that: also define one second reference axis in the described substrate, described optical communication apparatus further comprises:
One the 3rd photodetector, described the 3rd photodetector are fixed in the described substrate and are positioned on described second reference axis; And
One wavelength selection type filter, described wavelength selection type filter is fixed in the described substrate and is positioned on described first reference axis, described wavelength selection type filter difference optical coupled is to described optical fiber and described the 3rd photodetector, described wavelength selection type filter will be in order to will reflex to described the 3rd photodetector by a reverse optical signal of described Optical Fiber Transmission, and described the 3rd photodetector receives described reverse optical signal.
11. optical communication apparatus as claimed in claim 10, it is characterized in that: further comprise one second lens assembly, described second lens assembly is fixed in the described substrate and is positioned on described second reference axis, described second lens assembly is placed between described wavelength selection type filter and described the 3rd photodetector, and wherein said reverse optical signal is to focus to described the 3rd photodetector by described second lens assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101469238A CN101374023B (en) | 2007-08-23 | 2007-08-23 | Optical communication device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101469238A CN101374023B (en) | 2007-08-23 | 2007-08-23 | Optical communication device |
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| Publication Number | Publication Date |
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| CN101374023A CN101374023A (en) | 2009-02-25 |
| CN101374023B true CN101374023B (en) | 2010-12-22 |
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| CN2007101469238A Active CN101374023B (en) | 2007-08-23 | 2007-08-23 | Optical communication device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105223663B (en) * | 2015-10-30 | 2017-10-03 | 武汉光迅科技股份有限公司 | A kind of adjustable BOSA devices of bi-directional wavelength |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1508584A (en) * | 2002-12-19 | 2004-06-30 | 中国科学院长春光学精密机械与物理研 | Semiconductor laser and optical fiber coupling method and coupling device thereof |
| EP1405111B1 (en) * | 2001-07-03 | 2006-08-23 | Osaki Electric Co., Ltd. | Method of fabricating arrayed optical fibre collimators |
| CN2869895Y (en) * | 2005-12-29 | 2007-02-14 | 上海永鼎光电子技术有限公司 | Double-Y-type integrated optical wave-guide chip |
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- 2007-08-23 CN CN2007101469238A patent/CN101374023B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1405111B1 (en) * | 2001-07-03 | 2006-08-23 | Osaki Electric Co., Ltd. | Method of fabricating arrayed optical fibre collimators |
| CN1508584A (en) * | 2002-12-19 | 2004-06-30 | 中国科学院长春光学精密机械与物理研 | Semiconductor laser and optical fiber coupling method and coupling device thereof |
| CN2869895Y (en) * | 2005-12-29 | 2007-02-14 | 上海永鼎光电子技术有限公司 | Double-Y-type integrated optical wave-guide chip |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-250480A 2005.09.15 |
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| CN101374023A (en) | 2009-02-25 |
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