CN204497558U - The Erbium-Doped Fiber Amplifier of pump power high efficiency conversion - Google Patents
The Erbium-Doped Fiber Amplifier of pump power high efficiency conversion Download PDFInfo
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- CN204497558U CN204497558U CN201420864819.8U CN201420864819U CN204497558U CN 204497558 U CN204497558 U CN 204497558U CN 201420864819 U CN201420864819 U CN 201420864819U CN 204497558 U CN204497558 U CN 204497558U
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- erbium
- doped fiber
- pump laser
- power
- wavelength division
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Abstract
The utility model discloses the Erbium-Doped Fiber Amplifier of a kind of pump power high efficiency conversion.Aim to provide the Erbium-Doped Fiber Amplifier of the pump power high efficiency conversion that a kind of cost is low and Overall Power Consumption is little.In the utility model, CPU control centre also comprises display section, erbium-doped fiber is high-selenium corn erbium-doped fiber, the control of wavelength division multiplexer, pump laser, temperature, Current Control, power control to simplify to only one, and pump laser is a low noise 980nm pump laser.The utility model decreases one and subtracts 980nm pump laser and a wavelength division multiplexer, place is short erbium-doped fiber length 30M, thus reduce power supply power consumption merit and three point of one material cost of complete machine three point, further improve the reliability and stability of Erbium-Doped Fiber Amplifier, so be the Erbium-Doped Fiber Amplifier of the pump power high efficiency conversion that a kind of cost is low and Overall Power Consumption is little.
Description
Technical field
The utility model relates to technical field of optical fiber communication, particularly relates to the Erbium-Doped Fiber Amplifier of a kind of pump power high efficiency conversion.
Background technology
Along with the fast development of modern Networks of Fiber Communications technology, the rapid decline of optical fiber cost price, light entering and copper back be global fixed network operator for progressively to realize intelligent acess (FTTx), for user provides high speed bandwidth access information transmission network suitable advantage.Long in optical fiber transmission network, Erbium-Doped Fiber Amplifier is main nucleus equipment, is even more important.Pump power high efficiency conversion Erbium-Doped Fiber Amplifier comprises CPU control centre, the input of 1550nm light connects isolator input, isolator output is held with wavelength division multiplexer 1550nm and is connected, wavelength division multiplexer 980nm end is connected with a low noise 980nm pump laser output, and wavelength division multiplexer output and 8M grow tall and absorb erbium-doped fiber and be connected.The light signal of input is by high-selenium corn erbium-doped fiber, the photon signal that bait Ions Absorption 980nm pump laser in high-selenium corn erbium-doped fiber excites, make ground state electron to upper state, and the energy of release is added on the photon of flashlight, thus realize the amplification of flashlight.Traditional Erbium-Doped Fiber Amplifier, needs two pump lasers, two wavelength division multiplexers, the long erbium-doped fiber of 38M.Thus traditional Erbium-Doped Fiber Amplifier has the problem that cost is high and Overall Power Consumption is large.
In sum, the Erbium-Doped Fiber Amplifier in currently available technology also exists the defect that cost is high and Overall Power Consumption is large.
Utility model content
Technical problem to be solved in the utility model overcomes the deficiencies in the prior art, provides the Erbium-Doped Fiber Amplifier of the pump power high efficiency conversion that a kind of cost is low and Overall Power Consumption is little.
The technical scheme that the utility model adopts is: the utility model it comprise CPU control centre, optical branching device I, input optical isolator, wavelength division multiplexer, erbium-doped fiber, output optical isolator, optical branching device II, photo-detector I, power supply monitoring, temperature controls, Current Control, power controls, photo-detector II, panel control device, display apparatus, RJ45 interface, process control equipment, RS232 interface, state alarm device, pump laser, described CPU control centre also comprises display section, and described erbium-doped fiber is high-selenium corn erbium-doped fiber, described CPU control centre and described photo-detector I, power supply monitoring, temperature controls, Current Control, power controls, photo-detector II, panel control device, display apparatus, RJ45 interface, process control equipment, RS232 interface, state alarm device is electrically connected respectively, and described temperature controls, Current Control, pump laser described in power control connection, described pump laser connects described wavelength division multiplexer, and described photo-detector II connects described optical branching device I, and described photo-detector I connects described optical branching device II, described optical branching device I, input optical isolator, wavelength division multiplexer, output optical isolator, optical branching device II connects successively, is connected with high-selenium corn erbium-doped fiber between described wavelength division multiplexer and output optical isolator, and 1550nm flashlight inputs to the output of described optical branching device II from described optical branching device I.
The control of described wavelength division multiplexer, pump laser, temperature, Current Control, power control to reduce the number of to only having one, and described pump laser (20) is a low noise 980nm pump laser.
The beneficial effects of the utility model are: the utility model it comprise CPU control centre, optical branching device I, input optical isolator, wavelength division multiplexer, erbium-doped fiber, output optical isolator, optical branching device II, photo-detector I, power supply monitoring, temperature controls, Current Control, power controls, photo-detector II, panel control device, display apparatus, RJ45 interface, process control equipment, RS232 interface, state alarm device, pump laser, described CPU control centre also comprises display section, and described erbium-doped fiber is high-selenium corn erbium-doped fiber, described CPU control centre and described photo-detector I, power supply monitoring, temperature controls, Current Control, power controls, photo-detector II, panel control device, display apparatus, RJ45 interface, process control equipment, RS232 interface, state alarm device is electrically connected respectively, and described temperature controls, Current Control, pump laser described in power control connection, described pump laser connects described wavelength division multiplexer (4), and described photo-detector II connects described optical branching device I, and described photo-detector I connects described optical branching device II, described optical branching device I, input optical isolator, wavelength division multiplexer, output optical isolator, optical branching device II connects successively, is connected with high-selenium corn erbium-doped fiber between described wavelength division multiplexer and output optical isolator, and 1550nm flashlight inputs to the output of described optical branching device II from described optical branching device I.The control of described wavelength division multiplexer, pump laser, temperature, Current Control, power control to reduce the number of to only having one, and described pump laser (20) is a low noise 980nm pump laser.
Because the utility model is compared traditional Erbium-Doped Fiber Amplifier and is decreased one and subtract 980nm pump laser and a wavelength division multiplexer.Traditional Erbium-Doped Fiber Amplifier, need two pump lasers, two wavelength division multiplexers, the long erbium-doped fiber of 38M is from bringing the problem that cost is high and Overall Power Consumption is large, the utility model decreases one and subtracts 980nm pump laser and a wavelength division multiplexer, place is short erbium-doped fiber length 30M, thus reduce power supply power consumption merit and three point of one material cost of complete machine three point, further improve the reliability and stability of Erbium-Doped Fiber Amplifier, so be the Erbium-Doped Fiber Amplifier of the pump power high efficiency conversion that a kind of cost is low and Overall Power Consumption is little.
Accompanying drawing explanation
Fig. 1 is that circuit structure of the present utility model shows block diagram.
Embodiment
As shown in Figure 1, the utility model it comprise a kind of pump power high efficiency conversion Erbium-Doped Fiber Amplifier, it comprise CPU control centre 1, optical branching device I 2, input optical isolator 3, wavelength division multiplexer 4, erbium-doped fiber 5, output optical isolator 6, optical branching device II 7, photo-detector I 8, power supply monitoring 9, temperature control 10, Current Control 11, power control 12, photo-detector II 13, panel control device 14, display apparatus 15, RJ45 interface 16, process control equipment 17, RS232 interface 18, state alarm device 19, pump laser
20,described CPU control centre 1 also comprises display section, described erbium-doped fiber 5 is high-selenium corn erbium-doped fiber, described CPU control centre 1 and described photo-detector I 8, power supply monitoring 9, temperature control 10, Current Control 11, power control 12, photo-detector II 13, panel control device 14, display apparatus 15, RJ45 interface 16, process control equipment 17, RS232 interface 18, state alarm device 19 are electrically connected respectively, and described temperature controls 10, Current Control 11, power control 12 and connects described pump laser
20, described pump laser
20connect described wavelength division multiplexer 4, described photo-detector II 13 connects described optical branching device I 2, described photo-detector I 8 connects described optical branching device II 7, described optical branching device I 2, input optical isolator 3, wavelength division multiplexer 4, output optical isolator 6, optical branching device II 7 connect successively, be connected with high-selenium corn erbium-doped fiber 5,1550nm flashlight between described wavelength division multiplexer 4 and output optical isolator 6 to input to described optical branching device II 7 from described optical branching device I 2 and export.
The control of described wavelength division multiplexer, pump laser, temperature, Current Control, power control to reduce the number of to only having one, and described pump laser (20) is a low noise 980nm pump laser.The Erbium-Doped Fiber Amplifier of described pump power high efficiency conversion decreases one and subtracts 980nm pump laser and a wavelength division multiplexer.
In the present embodiment, the input of 1550nm light connects isolator input, isolator output is held with wavelength division multiplexer 1550nm and is connected, and wavelength division multiplexer 980nm end is connected with a low noise 980nm pump laser output, and wavelength division multiplexer output and 8M grow tall and absorb erbium-doped fiber and be connected.The light signal of input is by high-selenium corn erbium-doped fiber, the photon signal that bait Ions Absorption 980nm pump laser in high-selenium corn erbium-doped fiber excites, make ground state electron to upper state, and the energy of release is added on the photon of flashlight, thus realize the amplification of flashlight.The utility model mainly provides a kind of when the Erbium-Doped Fiber Amplifier in the conversion of this pump power high efficiency, be a low noise 980nm pump laser luminous power by 8M grow tall absorb erbium-doped fiber high efficiency conversion, required pumping light power is lower, pumping efficiency is but quite high, ensures stable power output.Decrease one and subtract 980nm pump laser and a wavelength division multiplexer, place is short erbium-doped fiber length 30M, thus reduce power supply power consumption merit and three point of one material cost of complete machine three point, further improve the reliability and stability of Erbium-Doped Fiber Amplifier.Traditional Erbium-Doped Fiber Amplifier, needs two pump lasers, two wavelength division multiplexers, the long erbium-doped fiber of 38M, thus brings the problem that cost is high and Overall Power Consumption is large.
The input of the utility model 1550nm light connects isolator input, isolator output is held with wavelength division multiplexer 1550nm and is connected, the 980nm end of wavelength division multiplexer is connected with a low noise 980nm pump laser output, and wavelength division multiplexer output and 8M grow tall and absorb erbium-doped fiber and be connected.The light signal of input is by high-selenium corn erbium-doped fiber, under the effect of high-selenium corn erbium-doped fiber, the photon signal that bait Ions Absorption low noise 980nm pump laser excites, makes ground state electron to upper state, and the energy of release is added on the photon of flashlight, thus realize the amplification of flashlight.Described Erbium-Doped Fiber Amplifier is by its corresponding running parameter of MCU Microprocessor S3C44B0X and can clear display intuitively on condition monitoring display screen unit, and the SBS value setting of optical sender of can transfering to other localities according to 1550nm, by the Output optical power of header board button or remote network management operating system adjustment Erbium-Doped Fiber Amplifier, it is made to reach design load needed for incident optical power.The Erbium-Doped Fiber Amplifier of described pump power high efficiency conversion; Required pumping light power is lower, and pumping efficiency is but quite high; It is the essential core technology that the luminous power of a low noise 980nm pump laser is invented by the Erbium-Doped Fiber Amplifier that the high-selenium corn characteristic of erbium-doped fiber realizes high efficiency conversion; Required pumping light power is lower, and pumping efficiency is but quite high; Thus also reduce cost, improve reliability and stability.Described Erbium-Doped Fiber Amplifier is by MCU microprocessor centralized control.The visual and clear display on monitoring display screen of described Erbium-Doped Fiber Amplifier parameters.
Therefore the Erbium-Doped Fiber Amplifier of pump power high efficiency conversion of the present invention has the following advantages:
1, MCU is utilized to control its work in every parameters unit: to carry out tracking and testing to the luminous power of input and output, the bias current of pump laser, backlight power, temperature, refrigeration electric current and will the result feedback of test, by light power controller (APC), temperature electronic refrigeration controller (TEC); Thus optimum stable light signal is exported through output port.
2, Microprocessor S3C44B0X complete machine operating state, the clear display parameters of monitoring display screen, intuitively easy to operate, stable performance.
3,8M grows tall the Output optical power of the high efficiency conversion low noise 980nm pump laser absorbing erbium-doped fiber, thus realize the amplification of flashlight, ensure stable Output optical power, thus solve traditional Erbium-Doped Fiber Amplifier, need two pump lasers, two wavelength division multiplexers, the long erbium-doped fiber of 38M.The problem that the cost brought is high and Overall Power Consumption is large.
4, the Erbium-Doped Fiber Amplifier of pump power high efficiency conversion of the present invention, noise is low, and distortion is low, broadband, stable power output, and Output optical power can up to 23dBm.
Claims (2)
1. an Erbium-Doped Fiber Amplifier for pump power high efficiency conversion, it comprises CPU control centre (1), optical branching device I (2), input optical isolator (3), wavelength division multiplexer (4), erbium-doped fiber (5), output optical isolator (6), optical branching device II (7), photo-detector I (8), power supply monitoring (9), temperature controls (10), Current Control (11), power controls (12), photo-detector II (13), panel control device (14), display apparatus (15), RJ45 interface (16), process control equipment (17), RS232 interface (18), state alarm device (19), pump laser (20), is characterized in that: described CPU control centre (1) also comprises display section, described CPU control centre (1) and described photo-detector I (8), power supply monitoring (9), temperature controls (10), Current Control (11), power controls (12), photo-detector II (13), panel control device (14), display apparatus (15), RJ45 interface (16), process control equipment (17), RS232 interface (18), state alarm device (19) is electrically connected respectively, and described temperature controls (10), Current Control (11), power controls (12) and connects described pump laser (20), described pump laser (20) connects described wavelength division multiplexer (4), described photo-detector II (13) connects described optical branching device I (2), described photo-detector I (8) connects described optical branching device II (7), described optical branching device I (2), input optical isolator (3), wavelength division multiplexer (4), output optical isolator (6), optical branching device II (7) connects successively, is connected with erbium-doped fiber (5) between described wavelength division multiplexer (4) and output optical isolator (6), and 1550nm flashlight inputs to described optical branching device II (7) from described optical branching device I (2) and exports.
2. the Erbium-Doped Fiber Amplifier of pump power high efficiency conversion according to claim 1, it is characterized in that: the control of described wavelength division multiplexer, pump laser, temperature, Current Control and power control all to be set to one, and described pump laser (20) is a low noise 980nm pump laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420864819.8U CN204497558U (en) | 2014-12-31 | 2014-12-31 | The Erbium-Doped Fiber Amplifier of pump power high efficiency conversion |
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| CN201420864819.8U CN204497558U (en) | 2014-12-31 | 2014-12-31 | The Erbium-Doped Fiber Amplifier of pump power high efficiency conversion |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229800A (en) * | 2016-08-15 | 2016-12-14 | 桂林创研科技有限公司 | Novel erbium-doped fiber amplifier |
| CN106330326A (en) * | 2016-08-18 | 2017-01-11 | 桂林创研科技有限公司 | Erbium-doped optical fiber amplifier |
| CN112186491A (en) * | 2020-09-23 | 2021-01-05 | 武汉光迅科技股份有限公司 | Power consumption adjusting method |
-
2014
- 2014-12-31 CN CN201420864819.8U patent/CN204497558U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229800A (en) * | 2016-08-15 | 2016-12-14 | 桂林创研科技有限公司 | Novel erbium-doped fiber amplifier |
| CN106330326A (en) * | 2016-08-18 | 2017-01-11 | 桂林创研科技有限公司 | Erbium-doped optical fiber amplifier |
| CN112186491A (en) * | 2020-09-23 | 2021-01-05 | 武汉光迅科技股份有限公司 | Power consumption adjusting method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20181231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |