CN103163602B - Photoelectricity module - Google Patents
Photoelectricity module Download PDFInfo
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- CN103163602B CN103163602B CN201110426596.8A CN201110426596A CN103163602B CN 103163602 B CN103163602 B CN 103163602B CN 201110426596 A CN201110426596 A CN 201110426596A CN 103163602 B CN103163602 B CN 103163602B
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- lens unit
- emitting laser
- laser diode
- substrate
- edge
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Abstract
A kind of photoelectricity module, it comprises substrate and is fixed on the light emission module on described substrate, and described light emission module comprises and is fixed on drive integrated circult on described substrate and the first lens unit.Described photoelectricity module also comprises the edge-emitting laser diode be fixed on described substrate, described drive integrated circult drives described edge-emitting laser diode utilizing emitted light signal, described first lens unit is for converging described light signal, and the light signal of described edge-emitting laser diode transmitting and described substrate-parallel.The light of the edge-emitting laser diode transmitting of described photoelectricity module and described substrate-parallel, described light signal does not need through reflection, thus decreases the loss of light signal; Meanwhile, because light signal does not need reflection to occur to change transmission direction, do not need in the first lens unit to arrange catoptron, make the structure of the first lens unit simpler.
Description
Technical field
The present invention relates to a kind of photoelectricity module, particularly relating to a kind of photoelectricity module for transmitting data.
Background technology
Photoelectricity module (Optical-ElectricalModule) is generally used for high-frequency transmission, existing photoelectricity module generally includes surface emitting laser transistor (VerticalCavitySurfaceEmittingLaser, VCSEL), for the drive integrated circult (integratedcircuit, IC) of drive surface emitting laser transistor work and the lens unit of light signal launched for coupling surface emitting laser transistor.But surface emitting laser transistor can only from its top-emission laser, and its laser launched becomes light ability and the coupling fiber of horizontal direction after needing the reflection of the catoptron through being arranged at lens unit.Inevitably there is light loss in the light that surface emitting laser transistor is launched, reduce the intensity of light signal, meanwhile, owing to needing in lens unit to arrange catoptron, make the structure of lens unit comparatively complicated after catoptron reflection.
Summary of the invention
In view of above-mentioned condition, be necessary to provide the photoelectricity module that a kind of structure is simple, light loss is little.
A kind of photoelectricity module, it comprises substrate and is fixed on the light emission module on described substrate, and described light emission module comprises and is fixed on drive integrated circult on described substrate and the first lens unit.Described photoelectricity module also comprises the edge-emitting laser diode be fixed on described substrate, described drive integrated circult drives described edge-emitting laser diode utilizing emitted light signal, described first lens unit is for converging described light signal, and the light signal of described edge-emitting laser diode transmitting and described substrate-parallel.
The light of the edge-emitting laser diode transmitting of described photoelectricity module and described substrate-parallel, described light signal does not need through reflection, thus decreases the loss of light signal; Meanwhile, because light signal does not need reflection to occur to change transmission direction, do not need in the first lens unit to arrange catoptron, make the structure of the first lens unit simpler.
Accompanying drawing explanation
Fig. 1 is the cut-open view of the photoelectricity module of embodiment of the present invention.
Fig. 2 is another cut-open view of the photoelectricity module of embodiment of the present invention.
Main element symbol description
| Photoelectricity module | 100 |
| Substrate | 10 |
| Liner | 12 |
| Wire | 14 |
| Light emission module | 30 |
| Edge-emitting laser diode | 32 |
| Launch window | 322 |
| Drive integrated circult | 34 |
| First lens unit | 36 |
| Body | 362、562 |
| Convex lens | 364、366、564、566 |
| Optical Receivers | 50 |
| Photodiode | 52 |
| Trans-impedance amplifier | 54 |
| Second lens unit | 56 |
| Receive window | 522 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Also by reference to the accompanying drawings the photoelectricity module of embodiment of the present invention is described in further detail with embodiment below.
Refer to Fig. 1 and Fig. 2, the photoelectricity module 100 of embodiment of the present invention is for carrying out data transmission.Photoelectricity module 100 comprises substrate 10, the light emission module 30(Fig. 1 be fixed on substrate 10) and Optical Receivers 50(Fig. 2).
In embodiment of the present invention, substrate 10 is printed circuit board (PCB), substrate 10 is formed with liner 12 spaced apart.Light emission module 30 is for utilizing emitted light signal, and it comprises edge-emitting laser diode (Edge-EmittingLaser, EELD) 32, drive integrated circult 34 and the first lens unit 36.Edge-emitting laser diode 32 and drive integrated circult 34 are arranged on the liner 12 at interval respectively, and are electrical connected by wire 14.Drive integrated circult 34 is for driving edge-emitting laser diode 32 utilizing emitted light signal.First lens unit 36 is fixing on the substrate 10, and is disposed adjacent with edge-emitting laser diode 32.First lens unit 36 comprises body 362 and is arranged at convex lens 364 and the convex lens 366 of body 362 opposite end, convex lens 364 are just arranged convex lens 366, to make the focus line of convex lens 364 and convex lens 366 be parallel to substrate 10, to converge the light signal that edge-emitting laser diode 32 is launched.In embodiment of the present invention, body 362, convex lens 364 and convex lens 366 are made of one piece by organic clear glass.
Edge-emitting laser diode 32 is provided with launch window 322 near one end of the convex lens 364 of the first lens unit 36, the launch window 322 of edge-emitting laser diode 32 is just arranged convex lens 364, and the light that edge-emitting laser diode 32 is launched is parallel with substrate 10.The light signal that edge-emitting laser diode 32 is launched emits and vertical incidence convex lens 364 via launch window 322, described light signal planoconvex lens 364 transfers to convex lens 366 through body 362 after converging, and planoconvex lens 366 transfers to other optical elements through optical fiber (not shown) after converging further.
Light signal for receiving optical signals, and is converted to electric signal by Optical Receivers 50.In embodiment of the present invention, Optical Receivers 50 comprises the photodiode 52 be fixed on substrate 10, trans-impedance amplifier 54 and the second lens unit 56.Photodiode 52 and trans-impedance amplifier 54 are arranged on the liner 12 at interval respectively, and are electrical connected by wire 14.Photodiode 52 and edge-emitting laser diode 32 be arranged in parallel, and photodiode 52 is provided with receive window 522 away from one end of substrate 10.Second lens unit 56 is fixing on the substrate 10, and be disposed adjacent with photodiode 52, in embodiment of the present invention, the structure of the second lens unit 56 is identical with the structure of the first lens unit 36, and the second lens unit 56 and the first lens unit 36 be arranged in parallel, second lens unit 56 comprises body 562 and is arranged at convex lens 564 and the convex lens 566 of body 562 opposite end, and convex lens 564 are just arranged convex lens 566, substrate 10 is parallel to make the focus line of convex lens 564 and convex lens 566, be convenient to converge the light signal being emitted to Optical Receivers 50.In embodiment of the present invention, body 562, convex lens 564 and convex lens 566 are made of one piece by organic clear glass.The light signal transferring to Optical Receivers 50 successively planoconvex lens 564 and convex lens 566 transfers to photodiode 52 through receive window 522 after converging, described light signal is converted to electric signal by photodiode 52, and described electric signal is transferred to other interfaces after amplifying via trans-impedance amplifier 54.
The light emission module 30 of photoelectricity module 100 can utilizing emitted light signal to another photoelectricity module, the Optical Receivers 50 of photoelectricity module 100 also can receive the light signal that another photoelectricity module described is launched simultaneously, thus realizes the transmitted in both directions of the light signal between photoelectricity module 100 and another photoelectricity module.
Be appreciated that, first lens unit 36 and the second lens unit 56 can be same lens unit, now, the light signal that photoelectricity module 100 is launched is coupled through same lens unit with the light signal being emitted to photoelectricity module 100, to save the cost of photoelectricity module 100.
Be appreciated that photoelectricity module 100 of the present invention can only include light emission module 30, now, photoelectricity module 100 for utilizing emitted light signal, and docks with another optical-electric module for receiving optical signals.
The light signal that the edge-emitting laser diode 32 of photoelectricity module 100 of the present invention is launched is parallel to substrate 10, described light signal can convex lens 364 through linearly arranging and convex lens 366 converge after transfer to other light receiving elements, the light signal that photoelectricity module 100 is launched does not need through reflection, thus decreases the loss of light signal; Meanwhile, because light signal does not need reflection to occur to change transmission direction, do not need to arrange catoptron in the first lens unit 36, make the structure of the first lens unit 36 simpler, thus reduce the manufacturing cost of the first lens unit 36.
In addition, those skilled in the art also can do other change in spirit of the present invention, and certainly, these changes done according to the present invention's spirit, all should be included in the present invention's scope required for protection.
Claims (7)
1. a photoelectricity module, it comprises substrate and is fixed on the light emission module on described substrate, described light emission module comprises and is fixed on drive integrated circult on described substrate and the first lens unit, it is characterized in that: described photoelectricity module also comprises the edge-emitting laser diode be fixed on described substrate, described drive integrated circult drives described edge-emitting laser diode utilizing emitted light signal, described first lens unit is for converging described light signal, and the light signal of described edge-emitting laser diode transmitting and described substrate-parallel.
2. photoelectricity module as claimed in claim 1, it is characterized in that: described lens unit comprises body and is arranged at two convex lens of described body opposite end, the focus line of described two convex lens is parallel to described substrate, described edge-emitting laser diode is positioned at one end of described lens unit, and the light signal that described edge-emitting laser diode is launched converges through described two convex lens successively.
3. photoelectricity module as claimed in claim 2, it is characterized in that: described edge-emitting laser diode is provided with launch window near one end of described first lens unit, described launch window is just to the convex lens of described first lens unit near described launch window.
4. photoelectricity module as claimed in claim 3, it is characterized in that: described photoelectricity module also comprises the Optical Receivers be fixed on described substrate, described Optical Receivers comprises the photodiode be fixed on described substrate, trans-impedance amplifier and the second lens unit.
5. photoelectricity module as claimed in claim 4, it is characterized in that: described second lens unit comprises body and is arranged at two convex lens of body opposite end of described second lens unit, described photodiode is positioned at one end of described second lens unit, described photodiode is provided with receive window near one end of described second lens unit, and described receive window is just to the convex lens of described second lens unit near described receive window.
6. photoelectricity module as claimed in claim 5, it is characterized in that: described photodiode and described edge-emitting laser diode be arranged in parallel, described second lens unit and described first lens unit be arranged in parallel.
7. photoelectricity module as claimed in claim 3, it is characterized in that: described photoelectricity module also comprises and is fixed on photodiode on described substrate and trans-impedance amplifier, described photodiode and described edge-emitting laser diode be arranged in parallel, described photodiode is provided with receive window near one end of described first lens unit, and described launch window is just to the convex lens of described first lens unit near described receive window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110426596.8A CN103163602B (en) | 2011-12-19 | 2011-12-19 | Photoelectricity module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110426596.8A CN103163602B (en) | 2011-12-19 | 2011-12-19 | Photoelectricity module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103163602A CN103163602A (en) | 2013-06-19 |
| CN103163602B true CN103163602B (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110426596.8A Expired - Fee Related CN103163602B (en) | 2011-12-19 | 2011-12-19 | Photoelectricity module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103163602B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101917665B1 (en) * | 2017-04-27 | 2019-01-29 | 아이오솔루션(주) | Apparatus and fabrication method for optical transmitter module with laser diode driver IC |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1786758A (en) * | 2004-12-10 | 2006-06-14 | 财团法人工业技术研究院 | Optical fibre wave conducting type optical submodule |
| CN1996072A (en) * | 2006-01-05 | 2007-07-11 | 财团法人工业技术研究院 | Sloping optical fiber type reversible optical assembly |
| US7251386B1 (en) * | 2004-01-14 | 2007-07-31 | Luxtera, Inc | Integrated photonic-electronic circuits and systems |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9813152B2 (en) * | 2004-01-14 | 2017-11-07 | Luxtera, Inc. | Method and system for optoelectronics transceivers integrated on a CMOS chip |
| WO2008005894A2 (en) * | 2006-06-30 | 2008-01-10 | Applied Materials, Inc. | Wafer-level alignment of optical elements |
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2011
- 2011-12-19 CN CN201110426596.8A patent/CN103163602B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7251386B1 (en) * | 2004-01-14 | 2007-07-31 | Luxtera, Inc | Integrated photonic-electronic circuits and systems |
| CN1786758A (en) * | 2004-12-10 | 2006-06-14 | 财团法人工业技术研究院 | Optical fibre wave conducting type optical submodule |
| CN1996072A (en) * | 2006-01-05 | 2007-07-11 | 财团法人工业技术研究院 | Sloping optical fiber type reversible optical assembly |
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| Publication number | Publication date |
|---|---|
| CN103163602A (en) | 2013-06-19 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160420 Termination date: 20161219 |