阅读说明：本技术 一种光波导加法器 (Optical waveguide adder ) 是由 李斌 杨柳 于 2020-12-08 设计创作，主要内容包括：本发明涉及一种光波导加法器,包括：N个光波衰减器和光波导耦合器；光波衰减器,接收光载波和含有加数信息的电信号,用于根据加数信息调制光载波的功率,生成调制光载波,传输调制光载波至光波导耦合器；光波导耦合器,将调制光载波耦合至一个耦合光波导；其中,耦合光波导内的光功率为N个调制光载波的功率之和。该加法器利于在光学计算机中耦合和集成。(The invention relates to an optical waveguide adder, comprising: n optical wave attenuators and optical waveguide couplers; the optical wave attenuator receives the optical carrier and the electric signal containing the addend information, is used for modulating the power of the optical carrier according to the addend information, generating a modulated optical carrier and transmitting the modulated optical carrier to the optical waveguide coupler; an optical waveguide coupler coupling the modulated optical carrier to a coupling optical waveguide; wherein the optical power in the coupling optical waveguide is the sum of the powers of the N modulated optical carriers. The adder is advantageous for coupling and integration in an optical computer.)

1. An optical waveguide adder, comprising: n optical wave attenuators and optical waveguide couplers;

the optical wave attenuator receives an optical carrier and an electric signal containing addend information, is used for modulating the power of the optical carrier according to the addend information, generates a modulated optical carrier, and transmits the modulated optical carrier to the optical waveguide coupler;

the optical waveguide coupler couples the modulated optical carrier to a coupling optical waveguide;

wherein the optical power in the coupling optical waveguide is the sum of the powers of the N modulated optical carriers.

2. The optical waveguide adder according to claim 1 wherein the optical attenuator is an adjustable optical attenuator.

3. The optical waveguide adder according to claim 1, wherein the power of the optical carrier is modulated by adjusting the voltage.

4. The optical waveguide adder according to claim 1, further comprising: a node;

the node comprising a memory and a transmitter;

the memory is used for storing the sum of an addend and an addend;

the transmitter is used for generating an optical carrier.

5. The optical waveguide adder according to claim 4 wherein the transmitter is a continuous light laser and the output power is constant.

6. The optical waveguide adder according to claim 4, further comprising: an addition feedback device;

the addition feedback device comprises: an optical waveguide amplifier and an optical waveguide splitter;

the optical waveguide amplifier receives the coupling optical waveguide, is used for amplifying the power of the coupling optical waveguide by N times to generate a modulation coupling optical waveguide, and transmits the modulation coupling optical waveguide to the optical waveguide beam splitter;

and the optical waveguide splitter is used for equally dividing the modulation coupling optical waveguide into N parts to generate a split optical waveguide and transmitting the split optical waveguide to the node.

7. The optical waveguide adder according to claim 6, wherein the powers of the N optical signals are the same.

8. The optical waveguide adder according to claim 4, wherein the node and the optical waveguide adder are connected by an interconnecting optical waveguide.

9. The optical waveguide adder according to claim 6, wherein the add feedback is connected to the optical waveguide adder by an interconnecting optical waveguide.

10. The optical waveguide adder according to claim 6 wherein the summing feedback is connected to the node by an interconnecting optical waveguide.

Technical Field

The invention relates to the field of electronic information, in particular to an optical waveguide adder.

Background

With the development of information technology, higher requirements are put on the processing speed and transmission energy consumption of a computer, and the traditional electronic computer has difficulty in meeting the requirements of the development of information technology in the future.

The optical computer is an effective technology for replacing the traditional electronic computer by the advantages of high bandwidth, low power consumption and the like, and the construction of the optical computer by using an optical device is a necessary technology of the existing optical computer.

However, the volume and coupling degree of optical calculation of the logic unit of the existing optical counting machine are difficult to meet the requirements of the optical computer.

Disclosure of Invention

To solve the problems in the prior art, an embodiment of the present invention provides an optical waveguide adder.

The present invention provides an optical waveguide adder, comprising: n optical wave attenuators and optical waveguide couplers;

the optical wave attenuator receives an optical carrier and an electric signal containing addend information, is used for modulating the power of the optical carrier according to the addend information, generates a modulated optical carrier, and transmits the modulated optical carrier to the optical waveguide coupler;

the optical waveguide coupler couples the modulated optical carrier to a coupling optical waveguide;

wherein the optical power in the coupling optical waveguide is the sum of the powers of the N modulated optical carriers.

According to the optical waveguide adder provided by the invention, the optical wave attenuator is an adjustable optical wave attenuator.

According to the optical waveguide adder provided by the invention, the power of the optical carrier is modulated by adjusting the voltage.

According to the present invention, there is provided an optical waveguide adder, further comprising: a node;

the node comprising a memory and a transmitter;

the memory is used for storing the sum of an addend and an addend;

the transmitter is used for generating an optical carrier.

According to the optical waveguide adder provided by the invention, the emitter is a continuous light laser, and the output power is a constant value.

According to the present invention, there is provided an optical waveguide adder, further comprising: an addition feedback device;

the addition feedback device comprises: an optical waveguide amplifier and an optical waveguide splitter;

the optical waveguide amplifier receives the coupling optical waveguide, is used for amplifying the power of the coupling optical waveguide by N times to generate a modulation coupling optical waveguide, and transmits the modulation coupling optical waveguide to the optical waveguide beam splitter;

and the optical waveguide splitter is used for equally dividing the modulation coupling optical waveguide into N parts to generate a split optical waveguide and transmitting the split optical waveguide to the node.

According to the optical waveguide adder provided by the invention, the power of the N optical signals is the same.

According to the present invention, there is provided an optical waveguide adder, wherein the node and the optical waveguide adder are connected by an interconnection optical waveguide.

According to the present invention, there is provided an optical waveguide adder, wherein the adding feedback device is connected to the optical waveguide adder through an interconnection optical waveguide.

According to the present invention there is provided an optical waveguide summer in which the summing feedback is connected to the node by an interconnecting optical waveguide.

The optical waveguide adder provided by the invention modulates the power of an optical carrier according to the addend information to generate a modulated optical carrier, and couples the modulated optical carrier to a coupling optical waveguide, wherein the optical power in the coupling optical waveguide is the sum of the powers of the N modulated optical carriers. The invention is beneficial to coupling and integration in an optical computer by constructing an all-optical adder, and can meet the requirements of the optical computer.

Drawings

FIG. 1 is a schematic structural diagram of an optical waveguide adder according to the present invention;

fig. 2 is a process flow diagram of an optical waveguide adder according to the present invention.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

An optical waveguide adder according to an embodiment of the present invention is described below with reference to the drawings.

Fig. 1 is a functional block diagram of an optical waveguide adder according to an embodiment of the present invention. As shown in fig. 1, an optical waveguide adder according to an embodiment of the present invention includes: n optical wave attenuators and optical waveguide couplers; the optical wave attenuator receives an optical carrier and an electric signal containing addend information, is used for modulating the power of the optical carrier according to the addend information, generates a modulated optical carrier, and transmits the modulated optical carrier to the optical waveguide coupler; the optical waveguide coupler couples the modulated optical carrier to a coupling optical waveguide; wherein the optical power in the coupling optical waveguide is the sum of the powers of the N modulated optical carriers.

Specifically, as shown in fig. 1, the optical waveguide adder 101 according to the embodiment of the present invention includes N optical wave attenuators 111, the optical waveguide attenuators 111 are made of optical waveguides, N memories respectively transmit N addend (x1, x2 … XN) information to the N optical waveguide attenuators 111 through electrical signals, and at the same time, the optical waveguide attenuators 111 can receive one optical carrier, the N optical waveguide attenuators 111 respectively modulate the power of the N optical carriers according to the N addend information, the modulated optical carrier power is proportional to the magnitude of the corresponding addend, and the modulated optical carrier is transmitted to the optical waveguide coupler 112, where the optical waveguide coupler 112 is N input 1 output, can receive the N modulated optical carriers, couple the received N optical carriers, and couple the optical power in the N waveguides into 1 optical waveguide, and therefore, the optical power output by the optical waveguide coupler 112 is yp ═ x1 × P + x2 × P + xnxp, where P is the power of the optical carrier.

The optical waveguide adder of the embodiment of the invention constructs an all-optical adder, is beneficial to coupling and integration in an optical computer and can meet the requirement of the optical computer.

The embodiment of the invention also provides an optical waveguide adder, which comprises: n optical wave attenuators and optical waveguide couplers; the optical wave attenuator is used for modulating the power of the optical carrier according to the addend information to generate a modulated optical carrier and transmitting the modulated optical carrier to the optical waveguide coupler; the optical waveguide coupler couples the modulated optical carrier to a coupling optical waveguide; wherein the optical power in the coupling optical waveguide is the sum of the powers of the N modulated optical carriers. For a detailed explanation of the aforementioned features, reference may be made to the aforementioned embodiments, which are not described in detail herein.

Optionally, the optical wave attenuator is an adjustable optical wave attenuator. The power of the optical carrier is modulated by adjusting the voltage. The embodiment of the invention also comprises the following steps: a node; the node comprising a memory and a transmitter; the memory is used for storing the sum of an addend and an addend; the transmitter is used for generating an optical carrier. The emitter is a continuous light laser, and the output power is a constant value. Further comprising: an addition feedback device; the addition feedback device comprises: an optical waveguide amplifier and an optical waveguide splitter; the optical waveguide amplifier receives the coupling optical waveguide, is used for amplifying the power of the coupling optical waveguide by N times to generate a modulation coupling optical waveguide, and transmits the modulation coupling optical waveguide to the optical waveguide beam splitter; and the optical waveguide splitter is used for equally dividing the modulation coupling optical waveguide into N parts to generate a split optical waveguide and transmitting the split optical waveguide to the node. The power of the N optical signals is the same. The node and the optical waveguide adder are connected through an interconnection optical waveguide. The summing feedback and the optical waveguide summer are connected by an interconnecting optical waveguide. The summing feedback is connected to the node by an interconnecting optical waveguide.

Specifically, as shown in fig. 1, the optical wave attenuator 111 is an adjustable optical wave attenuator, and the power of the modulated optical carrier obtained by adjusting the control voltage in proportion to the magnitude of the addend (x1, x2 … XN) can be respectively expressed as x1 × P, x2 × P … xnxp, where P is the power of the optical carrier. The optical waveguide adder 101 of the embodiment of the present invention further includes a node 102; the node 102, comprising a memory and a transmitter; the storage is used for storing the sum of an addend and an addend, the emitter is a continuous optical laser which can generate continuous optical carriers as carriers of information, the output power of the laser is P, namely the power of the optical carriers is P. The optical waveguide adder of the embodiment of the present invention further includes: an addition feedback 103; the summing feedback unit 103 is made of an optical waveguide, and includes: an optical waveguide amplifier 131 and an optical waveguide splitter 132; the optical waveguide amplifier 131 is configured to receive an optical signal output by the waveguide adder and coupled to the optical waveguide, and couple to the optical signal power yp in the optical waveguide; then, the power yp of the optical signal in the coupling optical waveguide is amplified by N times to obtain the power of the amplified optical signal, which is N × yp, and the amplified optical signal is transmitted to the optical waveguide splitter 132, wherein the optical waveguide splitter 132 is a 1-min equal-power optical waveguide splitter and is configured to divide the amplified optical signal into N equal parts and then to serve as the optical signal corresponding to the sum of addends, the power of the optical signal of the sum of addends is yp, the optical signal of the sum of addends obtained by the adding feedback unit 103 is transmitted to the node 102 storing the sum of addends corresponding to each addend, the memory in the node 102 stores the optical signal of the sum of addends transmitted by the adding feedback unit 103, the power parameter P is removed, and the optical signal of the sum of addends stored in the memory in each node is y ÷ P ═ x1+ x2 … + XN. In the present embodiment, the node 102 and the optical waveguide adder 101, the addition feedback device 103 and the optical waveguide adder 101, and the addition feedback device 103 and the node 102 are all connected by an interconnection optical waveguide. Fig. 2 is a processing flow chart of the present embodiment, and as shown in fig. 2, the processing steps of the present embodiment are:

s201, storing the addend and the addend to a node, and generating an optical carrier.

Specifically, the node comprises a memory and a transmitter; the storage is used for storing the sum of an addend and an addend, the emitter is a continuous optical laser which can generate continuous optical carriers as carriers of information, and the output power of the laser is P.

S202, modulating the optical carrier to generate a modulated optical carrier, and coupling the modulated optical carrier to the coupling optical waveguide.

Specifically, the optical waveguide attenuator is made of optical waveguide, N optical wave attenuators respectively receive N addends (x1, x2 … XN) sent by N memories through electric signals, meanwhile, the optical waveguide attenuator can receive the optical carrier, the N optical waveguide attenuators respectively modulate the power of the N optical carriers according to the information (x1, x2 … XN) of the N addends, the power of the modulated optical carriers is in direct proportion to the value of the corresponding addend, the modulated optical carriers are transmitted to the optical waveguide coupler, wherein, the optical waveguide coupler has N inputs and 1 output, and can receive N paths of modulated optical carriers, coupling the received N optical carriers, coupling the optical power in N waveguides into 1 optical waveguide, therefore, the optical power inside the waveguide output by the optical waveguide coupler is yp ═ x1 × P + x2 × P + XN × P, where P is the power of the optical carrier.

S203, amplifying the coupling optical waveguide, equally dividing the power of the amplified coupling optical waveguide to generate a splitting optical waveguide, and sending the splitting optical waveguide to a node for storage.

Specifically, the optical waveguide amplifier is used for receiving the coupled optical waveguide output by the waveguide adder, coupling the optical signal power yp in the optical waveguide, then, the power yp of the optical signal in the coupling optical waveguide is amplified by N times to obtain the power of the amplified optical signal of Nxyp, the amplified optical signal is transmitted to an optical waveguide beam splitter, wherein the optical waveguide beam splitter is a 1-N equal-power optical waveguide beam splitter and is used for equally dividing the amplified optical signal into N parts as an addend and a corresponding optical signal, the power of the optical signal of the sum of addends is yp, the optical signal of the sum of addends obtained is transmitted to the node storing each addend, the optical signal of the sum of addends sent by the addition feedback device is stored in the memory in the node, the power parameter P is removed, and the optical signal of the sum of addends stored in the memory in each node is y ═ yp ÷ P ═ x1+ x2 … + XN.

The optical waveguide adder of the embodiment of the invention is made of optical waveguide devices except the nodes, and the signals are processed by optical signals, so that the processing efficiency is improved.

Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.