CN215186754U - Four-waveband bidirectional 40Gbps optical communication equipment based on wavelength division multiplexing technology - Google Patents
Four-waveband bidirectional 40Gbps optical communication equipment based on wavelength division multiplexing technology Download PDFInfo
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- CN215186754U CN215186754U CN202120512913.7U CN202120512913U CN215186754U CN 215186754 U CN215186754 U CN 215186754U CN 202120512913 U CN202120512913 U CN 202120512913U CN 215186754 U CN215186754 U CN 215186754U
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Abstract
The utility model discloses a based on four two-way 40Gbps optical communication equipment in wave division multiplexing technique relates to optical communication technical field, specifically includes light conversion circuit unit, observes and controls interface unit, wave division multiplexing unit, light amplification unit and power management unit, light conversion circuit unit includes four wave band signal transceiver A machines and four wave channel signal transceiver B machines, and four wave band signal transceiver A machines and four wave band signal transceiver B machines transmit the SFP-10G-USR850nm optical signal of interface with the signal light of the 1550nm wave band that is fit for space optical communication with the user service through the net twine transmission to the wave division multiplexing unit after dividing into eight different signals. The original 850nm waveband optical signal of the user equipment is converted and transmitted, so that the method is more suitable for space laser communication and long-distance optical fiber communication application; the multiplexing of at most 4 paths of 10Gbps signals can be met, and a user does not need to increase the number of additional optical fibers and a space communication terminal; the light intensity adjustable light amplification equipment is added, and different light power requirements are met.
Description
Technical Field
The utility model relates to an optical communication technology specifically is a based on wavelength division multiplexing technique four wave band two-way 40Gbps optical communication equipment.
Background
Aiming at the defects that the SFP-10G-USR (850nm) optical module is adopted as the equipment of a communication terminal switch by the current network communication terminal server and the network application of optical fiber communication or space laser communication equipment has the following defects:
1. the 850nm optical signal fiber has large transmission loss and is not easy to be amplified. Both long-distance laser space communication and optical fiber transmission are difficult.
2. The 10G/bps communication rate cannot meet the requirements of some application scenarios on the communication rate, so when the communication rate is required, multiple optical fibers or space laser communication terminal equipment need to be connected, which results in increased cost or difficult construction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a based on the two-way 40Gbps optical communication equipment of four wave bands of wavelength division multiplexing technique to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a four-waveband bidirectional 40Gbps optical communication device based on wavelength division multiplexing technology comprises an optical conversion circuit unit, a measurement and control interface unit, a wavelength division multiplexing unit, an optical amplification unit and a power management unit, wherein the optical conversion circuit unit comprises a four-waveband signal transceiver A and a four-waveband signal transceiver B, the four-waveband signal transceiver A and the four-waveband signal transceiver B divide an optical signal of an SFP-10G-USR850nm waveband of a user service transmission interface and a signal light of a 1550nm waveband suitable for space optical communication into eight different signals and transmit the signals to the wavelength division multiplexing unit through a network cable, the wavelength division multiplexing unit converts the signals and transmits an output signal of which the COM end output optical fiber is a 9um single-mode output optical fiber and inputs the output signal to the optical amplification unit, and the power management unit is electrically connected with the photoelectric conversion circuit unit, the wavelength division multiplexing unit and the optical amplification unit through wires, the monitoring interface is electrically connected with the photoelectric conversion circuit unit and the optical amplification unit through wires.
As a further aspect of the present invention: the four-waveband signal transceiver A and the four-waveband signal transceiver B respectively correspond to four paths of signal lasers with 1550nm wavebands, and a linear repeater is arranged between the signal lasers with 1550nm wavebands and the user interface end.
As a further aspect of the present invention: the wavelength division multiplexing unit adopts a 100GHz Density Wavelength Division Multiplexer (DWDM), and the DWDM is subjected to micro-optical packaging by utilizing a thin film coating technology and nonpolar flux metal bonding.
As a further aspect of the present invention: the four-waveband signal transceiver A and the four-waveband signal transceiver B both use two independent wavelength division multiplexing devices.
As a further aspect of the present invention: and the measurement and control interface adopts STM32 as a main control chip.
As a further aspect of the present invention: the optical amplification unit adopts a high-output power optical fiber amplifier.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the original 850nm waveband optical signal of the user equipment is converted and transmitted, so that the method is more suitable for space laser communication and long-distance optical fiber communication application;
2. the multiplexing of at most 4 paths of 10Gbps signals can be met, and a user does not need to increase the number of additional optical fibers and a space communication terminal; 3. The light intensity adjustable light amplification equipment is added, and different light power requirements are met.
Drawings
Fig. 1 is a schematic diagram of an overall hardware circuit design structure of a four-band bidirectional 40Gbps optical communication device based on a wavelength division multiplexing technology.
Fig. 2 is a block diagram of the overall design of an opto-electrical converter board in a four-band bidirectional 40Gbps optical communication device based on the wavelength division multiplexing technology.
Fig. 3 is a circuit connection diagram of wavelength division multiplexing unit units in a four-band bidirectional 40Gbps optical communication device based on the wavelength division multiplexing technology.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Please refer to fig. 1-3, in an embodiment of the present invention, a wavelength division multiplexing technology based 40Gbps optical communication device with four-band bi-direction, includes an optical conversion circuit unit, a measurement and control interface unit, a wavelength division multiplexing unit, an optical amplification unit and a power management unit, where the optical conversion circuit unit includes a four-band signal transceiver a and a four-band signal transceiver B, the four-band signal transceiver a and the four-band signal transceiver B divide an optical signal of SFP-10G-USR (850nm) band of a user service transmission interface and a signal light of 1550nm band suitable for space optical communication into eight different signals and transmit the signals to the wavelength division multiplexing unit through a network cable, the wavelength division multiplexing unit converts the signals and transmits a "COM" end output optical fiber of 9um single mode output optical fiber output signal to the optical amplification unit, and the power management unit transmits the signal output signal of 9um single mode output optical fiber to the photoelectric conversion circuit unit through a wire, The wavelength division multiplexing unit is electrically connected with the optical amplification unit, the power input end in the power management unit is AV220V 50Hz mains supply input, and the interface is J599/20M0998PN power input interface. The inside MW-ELG-150-24A power supply is used as a secondary direct current conversion power supply, the output voltage is 24V, the maximum output power is 150W, the inside MW-ELG-150-24A power supply is used as an isolation power supply, the three URB2405LD-30WR3 power supplies are used for converting the DC24V voltage into DC5V voltage, and the DC5V voltage supplies power to the conversion circuit unit, the optical amplification unit and the measurement and control circuit unit respectively, and the monitoring interface is electrically connected with the photoelectric conversion circuit unit and the optical amplification unit through conducting wires.
The four-waveband signal transceiver A machine and the four-waveband signal transceiver B machine respectively correspond to four paths of signal lasers with 1550nm wavebands, a linear repeater is arranged between the signal lasers with 1550nm wavebands and a user interface end, the user interface end adopts an SFP-10G-USR850nm laser, an interface is a standard LC optical fiber interface, and the linear repeater is a DS125BR111 linear repeater. DS25CP111 is an ultra low power high performance repeater/redriver intended to support high speed interfaces up to 12.5 Gbps. When applied to operation, the DS125BR111 retains the emissive properties, thereby enabling the host controller and endpoints to maximize flexibility in the physical layout of devices within the interconnect channel and improve the overall performance of the channel.
The wavelength division multiplexing unit adopts a 100GHz Density Wavelength Division Multiplexer (DWDM) which utilizes a thin film coating technology and nonpolar flux metal bonding micro-optics packaging, and the wavelength division multiplexer has the functions of low insertion loss, high channel isolation, wide pass band, strong sensitivity and the like.
The four-waveband signal transceiver A and the four-waveband signal transceiver B both use two independent wavelength division multiplexing devices. The four independent ports of a wavelength division multiplexer adopted by a signal transmitting end in the four-waveband signal transceiver A are 1560.606nm, 1559.794nm, 1558.983nm and 1558.173nm, an output optical fiber of a transmitting COM end is a 9um single-mode output optical fiber, and an output signal is connected to the input end of an optical amplifier; a wavelength division multiplexer adopted by a receiving end receives a 'COM' end, the receiving optical fiber is a 62.5um multimode optical fiber, the corresponding wavelengths of four independent ports are 1537.792nm, 1536.609nm, 1535.822nm and 1534.643nm respectively, the four independent ports of the wavelength division multiplexer adopted by a signal transmitting end in a four-band signal transceiver B are 1537.792nm, 1536.609nm, 1535.822nm and 1534.643nm, an output optical fiber of the transmitting 'COM' end is a 9um single-mode output optical fiber, and an output signal is connected with the input end of an optical amplifier; a wavelength division multiplexer adopted by a receiving end receives a COM end, the receiving optical fiber is a 62.5um multimode optical fiber, and the corresponding wavelengths of the four independent ports are 1560.606nm, 1559.794nm, 1558.983nm and 1558.173nm respectively.
And the measurement and control interface adopts STM32 as a main control chip and is matched with upper computer platform software to remotely control and measure each function unit in the system.
The optical amplification unit adopts a high-output power optical fiber amplifier.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention, and the following claims are therefore to be read in this light of the appended claims.
Claims (6)
1. A four-waveband bidirectional 40Gbps optical communication device based on a wavelength division multiplexing technology comprises an optical conversion circuit unit, a measurement and control interface unit, a wavelength division multiplexing unit, an optical amplification unit and a power management unit, and is characterized in that the optical conversion circuit unit comprises a four-waveband signal transceiver A and a four-waveband signal transceiver B, the four-waveband signal transceiver A and the four-waveband signal transceiver B divide an optical signal of an SFP-10G-USR850nm waveband of a user service transmission interface and a signal light of a 1550nm waveband suitable for space optical communication into eight different signals and transmit the signals to the wavelength division multiplexing unit through network cables, the wavelength division multiplexing unit converts the signals, transmits an output signal of a COM end output optical fiber of a 9um single-mode output optical fiber and inputs the output signal to the optical amplification unit, and the power management unit and the photoelectric conversion circuit unit through a wire, The wavelength division multiplexing unit is electrically connected with the optical amplification unit, and the monitoring interface is electrically connected with the photoelectric conversion circuit unit and the optical amplification unit through wires.
2. The optical wavelength division multiplexing-based four-band bidirectional 40Gbps optical communication device according to claim 1, wherein the four-band signal transceiver A and the four-band signal transceiver B correspond to four paths of 1550nm band signal lasers, respectively, and a linear repeater is disposed between the 1550nm band signal laser and the user interface.
3. The device of claim 1, wherein the WDM unit is a 100GHz Dense Wavelength Division Multiplexer (DWDM), which is micro-optical package with thin film coating and nonpolar flux metal bonding.
4. The device of claim 1, wherein two separate wavelength division multiplexing devices are used in each of the four-band signal transceiver A and the four-band signal transceiver B.
5. The device of claim 1, wherein the measurement and control interface uses STM32 as a main control chip.
6. The device of claim 1, wherein the optical amplification unit is a high output power fiber amplifier.
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| CN202120512913.7U CN215186754U (en) | 2021-03-11 | 2021-03-11 | Four-waveband bidirectional 40Gbps optical communication equipment based on wavelength division multiplexing technology |
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| CN202120512913.7U CN215186754U (en) | 2021-03-11 | 2021-03-11 | Four-waveband bidirectional 40Gbps optical communication equipment based on wavelength division multiplexing technology |
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