CN209486489U - A kind of quantum TT&C system - Google Patents
A kind of quantum TT&C system Download PDFInfo
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- CN209486489U CN209486489U CN201920166567.4U CN201920166567U CN209486489U CN 209486489 U CN209486489 U CN 209486489U CN 201920166567 U CN201920166567 U CN 201920166567U CN 209486489 U CN209486489 U CN 209486489U
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
Abstract
The utility model belongs to quantum calculation field, and especially a kind of quantum TT&C system, quantum TT&C system includes main control module；Direct current signal generation module provides the direct current signal for quantum bit regulation；Pulse signal generation module provides the pulse signal for quantum bit regulation；Microwave modulated signal generation module provides the second microwave modulated signal that detection is read for the first microwave modulated signal of quantum bit regulation and for quantum bit logic state；Quantum bit reads detection module, reads return path signal for acquiring quantum bit logic state, and be uploaded to the main control module, and handled by the user logic module.The utility model can be realized the regulation and measurement of the quantum bit on quantum chip, to facilitate quantum calculation to study.
Description
Technical field
The utility model belongs to quantum calculation field, especially a kind of quantum TT&C system.
Background technique
Quantum chip is the nuclear structure for realizing quantum calculation, is provided with a large amount of quantum bit structures on quantum chip, often
A quantum bit is made of the specific hardware circuit being arranged on quantum chip, and each quantum bit, which has at least two, to be distinguished
Logic state, be based on quantum algorithm, controllable variations can occur for the logic state of quantum bit, and then realize quantum calculation.
The observing and controlling of quantum chip is the basis for studying quantum calculation, and the application provides a kind of quantum TT&C system, is used
In the regulation and measurement that carry out the quantum bit on quantum chip, to facilitate quantum calculation to study.
Utility model content
The purpose of the utility model is to provide a kind of quantum TT&C systems, it can be realized the quantum bit on quantum chip
Regulation and measurement, to facilitate quantum calculation to study.
The technical solution adopted in the utility model is as follows:
A kind of quantum TT&C system, the quantum TT&C system include:
Main control module, the main control module are arranged based on FPGA, interior to be configured with signal parameter information and user logic module,
Wherein: the signal parameter includes direct current signal parameter, microwave Modulation Signal Parameters and pulse signal parameter；The user logic
Module reads feedback signal acquisition quantum bit logic state information for handling quantum bit logic state；
Direct current signal generation module connects the main control module, and the master control by the first high speed serial expansion bus
Module generates the direct current signal regulated and controled for quantum bit in conjunction with direct current signal state modulator the first signal generation module；
Pulse signal generation module connects the main control module, and the master control by the second high speed serial expansion bus
Module pulse signal generation module in conjunction with described in the pulse signal state modulator generates the pulse letter for quantum bit regulation
Number；
Microwave modulated signal generation module connects the main control module by third high speed serial expansion bus, and described
Main control module controls the microwave modulated signal generation module in conjunction with the microwave Modulation Signal Parameters and generates for quantum bit
First microwave modulated signal of regulation and the second microwave modulated signal that detection is read for quantum bit logic state；
Quantum bit reads detection module, the main control module is connected by the 4th high speed serial expansion bus, for adopting
Collect quantum bit logic state and read return path signal, and uploads the quantum bit logic state and read return path signal to the master
Module is controlled, and is handled by the user logic module；Wherein: it is institute that the quantum bit logic state, which reads return path signal,
State the signal that the second microwave signal acts on the carrying quantum bit logic status information obtained after quantum bit.
Quantum TT&C system as described above, wherein preferably, the direct current signal generation module includes:
First digital simulation conversion module connects the main control module by the first high speed serial expansion bus, uses
In the acquisition direct current signal parameter, the processing direct current signal parameter and export direct current signal；
Reference voltage circuit is electrically connected the first digital simulation conversion module, for turning to first digital simulation
Change module and reference voltage and analog voltage are provided；Wherein: the reference voltage is the work of the first digital simulation conversion module
Make voltage, determine the output area of the first digital simulation conversion module, the analog voltage is first digital simulation
The supply voltage of conversion module.
Quantum TT&C system as described above, wherein preferably, the range of the reference voltage is -10V to 10V, and
When the vertical resolution of the first digital simulation conversion module is greater than 16bit, the essence of the first digital simulation conversion module
Degree is μ V magnitude.
Quantum TT&C system as described above, wherein preferably, the first digital simulation conversion module further include:
First board is provided with the first connector and the second connector on first board；
First connector connects the main control module by the first high speed serial expansion bus；
Each second connector passes through winding displacement inside first board and connects first connector, and each described
Second connector connects the first digital simulation conversion module.
Quantum TT&C system as described above, wherein preferably, the pulse signal generation module includes:
Second digital simulation conversion module, input terminal connect the master control by the second high speed serial expansion bus
The output end of module, for acquiring the pulse signal parameter, the processing pulse signal parameter and output difference signal；
Second operational amplifying module, input terminal connects the output end of the second digital simulation conversion module, for connecing
It receives the differential signal, the processing differential signal and exports single-ended signal.
Wherein: the bandwidth of second operational amplifying module is equal to the sample rate of the second digital simulation conversion module
Half.
Quantum TT&C system as described above, wherein preferably, the sampling speed of the second digital simulation conversion module
Rate is more than or equal to 1GS/s, and the bandwidth of the second digital simulation conversion module is more than or equal to 200MHz, second digital simulation
The vertical resolution of conversion module is greater than 14bit.
Quantum TT&C system as described above, wherein preferably, the pulse signal generation module further includes the second plate
Card；
First for accommodating and being electrically connected the second digital simulation conversion module is provided on second board to insert
Slot and the second slot for accommodating and being electrically connected second operational amplifying module.
Quantum TT&C system as described above, wherein preferably, the microwave Modulation Signal Parameters include microwave signal
Parameter and baseband modulation signal parameter；
The microwave modulated signal generation module includes third digital simulation conversion module, microwave source module and the first signal
Synthesis module；
The input terminal of the microwave source module connects the main control module by the third high speed serial expansion bus
Output end, for receiving the microwave signal parameter, the processing microwave signal parameter and exporting microwave signal；
The input terminal of the third digital simulation conversion module passes through described in third high speed serial expansion bus connection
The output end of main control module, for receiving the baseband modulation signal parameter, the processing baseband modulation signal parameter and exporting
Baseband modulation signal；
The input terminal of first signal synthesizing module connects the microwave source module and the third digital simulation simultaneously
The output end of both conversion modules obtains described first for carrying out synthesis to the microwave signal and the baseband modulation signal
Microwave modulated signal or the second microwave modulated signal.
Quantum TT&C system as described above, wherein preferably, the microwave source module provides the micro- of 4GHz to 8GHz
Wave signal, the bandwidth of sample rate and 200MHz or more of the third digital simulation conversion module with 1Gs/s or more.
Quantum TT&C system as described above, wherein preferably, the third digital simulation conversion module further includes the
Three boards are provided with third connector, the 4th connector and the 5th connector on the third board；
The third connector connects the main control module by the third high speed serial expansion bus；
4th connector connects the third connector, and the described 4th by the inside winding displacement of the third board
Connector is for accommodating and being electrically connected the microwave source module；
5th connector connects the third connector, and the 5th connection by the inside winding displacement of the third board
Part is for accommodating and being electrically connected the third digital simulation conversion module.
Quantum TT&C system as described above, wherein preferably, the quantum bit reads detection module and includes:
First signal demodulation module is demodulated into target for the quantum bit logic state to be read return path signal
Signal；
The first simulation numeral conversion module, input terminal connect the output end of first signal demodulation module,
Output end connects the main control module by the 4th high speed serial expansion bus, for acquiring the echo signal, and handle
Collected echo signal is uploaded to the main control module；
Wherein: the echo signal is the letter for meeting the first simulation numeral conversion module working frequency and bandwidth of operation
Number.
Compared with prior art, the quantum TT&C system of the utility model setting, can provide for quantum bit for measuring
Direct current signal, pulse signal and the first microwave modulated signal of sub- bit regulation, or quantum bit, which provides, is used for quantum
Bit logic state reads the second microwave modulated signal of detection, and responds for quantum bit to the second microwave modulated signal
The quantum bit logic state that obtains later reads the processing of return path signal, whole system can satisfy quantum bit regulation and
Measurement demand provides appointed condition for the research of quantum calculation.
Detailed description of the invention
Fig. 1 is the structural block diagram of quantum TT&C system provided by the utility model；
Fig. 2 is the structural block diagram of the specific embodiment of quantum TT&C system provided by the utility model；
Description of symbols:
1- main control module；
2- direct current signal generation module, 21- the first digital simulation conversion module, 22- reference voltage circuit, the first plate of 23-
Card；
3- pulse signal generation module, 31- the second digital simulation conversion module, the second operational amplifying module of 32-, 33-
Two boards；
4- microwave modulated signal generation module, 41- third digital simulation conversion module, 42- microwave source module, 43- first
Signal synthesizing module, 44- third board；
5- quantum bit reads detection module, the first signal demodulation module of 51-, 52- the first simulation numeral conversion module.
Specific embodiment
The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the utility model, and cannot solve
It is interpreted as limitations of the present invention.
The embodiments of the present invention provide a kind of quantum TT&C system, as shown in Figure 1, the quantum TT&C system packet
Include main control module 1, direct current signal generation module 2, pulse signal generation module 3, microwave modulated signal generation module 4 and quantum ratio
Spy reads detection module 5.
Specifically, the main control module 1 is arranged based on FPGA, it is interior to be configured with signal parameter information and user logic mould
Block, in which: the signal parameter includes direct current signal parameter, microwave Modulation Signal Parameters and pulse signal parameter；The user
Logic module reads feedback signal acquisition quantum bit logic state information for handling quantum bit logic state.
Wherein, direct current signal generation module 2 connects the main control module 1, and institute by the first high speed serial expansion bus
It states main control module 1 and generates the direct current regulated and controled for quantum bit in conjunction with direct current signal state modulator the first signal generation module
Signal.
Wherein, pulse signal generation module 3 connects the main control module 1, and institute by third high speed serial expansion bus
It states the pulse signal generation module 3 in conjunction with described in the pulse signal state modulator of main control module 1 and generates to regulate and control for quantum bit
Pulse signal.
Wherein, microwave modulated signal generation module 4 connects the main control module 1 by the second high speed serial expansion bus,
And the main control module 1 controls the generation of microwave modulated signal generation module 4 in conjunction with the microwave Modulation Signal Parameters and is used for
First microwave modulated signal of quantum bit regulation and the second microwave for reading detection for quantum bit logic state modulate letter
Number；
Wherein, quantum bit reads detection module 5 and connects the main control module 1 by the 4th high speed serial expansion bus,
Return path signal is read for acquiring quantum bit logic state, and uploads the quantum bit logic state and reads return path signal extremely
The main control module 1, and handled by the user logic module；Wherein: the quantum bit logic state reads passback
Signal is that the second microwave modulated signal acts on the carrying quantum bit logic status information obtained after quantum bit
Signal.
The quantum TT&C system of the present embodiment setting can provide the direct current letter for quantum bit regulation for quantum bit
Number, pulse signal and the first microwave modulated signal, or quantum bit, which is provided, reads inspection for quantum bit logic state
The the second microwave modulated signal surveyed, and for quantum bit to the quantum bit obtained after the response of the second microwave modulated signal
Logic state reads the processing of return path signal, and whole system can satisfy regulation and the measurement demand of quantum bit, is quantum meter
The research of calculation provides appointed condition.
It as the specific implementation of the present embodiment, please refers to shown in Fig. 2, the direct current signal generation module 2 includes the first number
Type matrix intends conversion module 21 and reference voltage circuit 22.
Wherein, the first digital simulation conversion module 21 connects the master control mould by the first high speed serial expansion bus
Block 1, for acquiring the direct current signal parameter, the processing direct current signal parameter and exporting direct current signal；Reference voltage circuit
22 electrical connection the first digital simulation conversion modules 21, for providing to the first digital simulation conversion module 21 with reference to electricity
Pressure and analog voltage；Wherein: the reference voltage is the operating voltage of the first digital simulation conversion module 21, described in decision
The output area of first digital simulation conversion module 21, the analog voltage are the confession of the first digital simulation conversion module 21
Piezoelectric voltage.
Specifically, the first digital simulation conversion module 21 connects the master by the first high speed serial expansion bus
Module 1 is controlled, ensure that data transmission bauds and system integration degree, when setting, the first digital simulation conversion module 21
Performance parameter and reference voltage circuit 22 performance parameter all in accordance with the quantum bit regulation precision of desired signal, range, point
Resolution, response speed etc. are configured, in the present embodiment, preferably, the range of the reference voltage is that -10V is arrived
10V, for the first digital simulation conversion module using the reference voltage as operating voltage, output voltage range is -5V to 5V, and
When the vertical resolution of the first digital simulation conversion module 21 is 20bit, the first digital simulation conversion module 21
Theoretical precision is 9.54 μ V, and the voltage noise of 0.1-10Hz is only 1.2ppm under actual conditions, can satisfy quantum bit tune
Needed for control.
Further, the direct current signal generation module 2 further includes the first board 23, is provided on first board 23
First connector and the second connector；First connector connects the master control by the first high speed serial expansion bus
Module 1；Second connector connects first connector by the 23 inside winding displacement of the first board, and described second connects
Fitting connects the first digital simulation conversion module 21.
By the setting of the first board 23, the integrated level of direct current signal generation module can be improved.It should be noted that base
Quasi- potential circuit 22 provides circuit, reference voltage electricity as the power supply circuit and operating voltage of the first digital simulation conversion module 21
Road 22 and the first digital simulation conversion module 21 are integrated on one piece of board, the reference voltage connection that reference voltage circuit 22 exports
The reference voltage pin of the DAC chip of the first digital simulation conversion module 21, the simulation electricity that reference voltage circuit 22 exports
Pressure connects the reference energization pins of the DAC chip of the first digital simulation conversion module 21, in general, reference voltage pin Vref
+ can receive+10V or+5V, reference voltage pin Vref- can receive -10V or -5V, and supply voltage pin Vs+ can receive
+ 12V, ginseng supply voltage pin Vs- can receive -12V.
It should be noted simultaneously that the first connector being arranged on first board 23 play the first board 23 of connection with
The effect of the main control module 1, specifically, first connector passes through described in the first high speed serial expansion bus connection
Main control module 1 realizes the effect of the first board 23 and the main control module 1, so the first connector preferable interface class connector,
In the present embodiment, PCIE high-speed expansion interface can be selected, second connector inside first board 23 by arranging
Line connects first connector, and second connector connects the first digital simulation conversion module 21, and then realizes
Signal connection between first digital simulation conversion module 21 and main control module 1, the second connector can be setting in the first plate
Block the PCIE high-speed expansion interface of 23 ends, or the PCIE high-speed expansion slot on the first board 23, ability are set
Field technique personnel can design according to their own needs.
It should be noted that when need to design it is multiple for accommodate same function element (such as the first digital simulation conversion
Module 21) the second connector when, each second connector is arranged parallel.
As the specific implementation of the present embodiment, the pulse signal generation module 3 includes the second digital simulation conversion module
31 and second operational amplifying module 32, the pulse signal generation module 3 integrally play random waveform under the control of FPGA
The effect of generator can generate Pulse of Arbitrary signal on demand.
Wherein: the input terminal of the second digital simulation conversion module 31 connects institute by the second high speed serial expansion bus
The output end for stating main control module 1, for acquiring the pulse signal parameter, the processing pulse signal parameter and output difference letter
Number.The input terminal of second operational amplifying module 32 connects the output end of the second digital simulation conversion module 31, for receiving
The differential signal, the processing differential signal simultaneously export single-ended signal.Wherein: the bandwidth of second operational amplifying module 32
Equal to the half of the sample rate of the second digital simulation conversion module 31.
Specifically, the second digital simulation conversion module 31 receives the digital signal that the main control module based on FPGA is sent,
The waveform shape parameter (amplitude, frequency, initial phase) and waveform length parameter (play time) of the digital signal by FPGA control,
Or by FPGA combination PC control, and then available required random waveform signal passes through second in the present embodiment
The acquisition process for the digital signal of digital simulation conversion module 31 sent to digital FPGA realizes that digital signal is converted into difference
Analog signal, analog signal carries out operation amplifier by the second operational amplifying module 32 and is converted into single-ended signal, in the process
In, the bandwidth of second operational amplifying module 32 is equal to the half of the sample rate of the second digital simulation conversion module 31,
It can guarantee effective acquisition and the operation amplifier of signal.In addition, when specific implementation, the second digital simulation conversion module
The sample rate of 31 DAC chip is 1.6Gs/s, and the bandwidth of the second operational amplifying module 32 is 800MHz, the of 800M Hz bandwidth
Two operational amplifying modules can be used as low-pass filter, filter out the high-frequency noise of 800MHz or more.Second number simultaneously
The bandwidth that type matrix intends conversion module 31 is more than or equal to 200MHz, and the vertical resolution of the second digital simulation conversion module 31 is big
In 14bit.
As the preferred embodiment of the present embodiment, the pulse signal generation module 3 further includes the second board 33；Described second
The first slot for accommodating and being electrically connected the second digital simulation conversion module 31 is provided on board 33 and for accommodating
And the second slot of electrical connection second operational amplifying module 32.By the second board 33 and it is arranged on the second board 33
First slot and the second slot realize the Integration Design of pulse signal generation module 3 and the demand of high speed data transfer.It needs
It is noted that the slot that the first slot and the second slot all can be arranged based on PCIE interface.
As the specific implementation of the present embodiment, the microwave Modulation Signal Parameters include microwave signal parameter and baseband modulation
Signal parameter；Corresponding, the microwave modulated signal generation module 4 includes third digital simulation conversion module 41, microwave source mould
Block 42, the first signal synthesizing module 43.
Wherein: the input terminal of microwave source module 42 connects the main control module by the third high speed serial expansion bus
1 output end, for receiving the microwave signal parameter, the processing microwave signal parameter and exporting microwave signal.
The input terminal of third digital simulation conversion module 41 connects the master by the third high speed serial expansion bus
The output end for controlling module 1, for receiving the baseband modulation signal parameter, the processing baseband modulation signal parameter and exporting base
Band modulated signal.
The input terminal of first signal synthesizing module 43 connects the microwave source module 42 and the third digital simulation simultaneously
The output end of both conversion modules 41 obtains described for carrying out synthesis to the microwave signal and the baseband modulation signal
One microwave modulated signal or the second microwave modulated signal.
Specifically, the regulation of quantum bit needs pulse signal and/or the first microwave modulated signal, quantum bit logic
The parameter setting of reading detection the second microwave modulated signal of needs of state, pulse signal and the first microwave modulated signal needs root
It is arranged according to factors such as Quantum logic gates operation information to be applied, quantum bit intrinsic frequencies, the frequency of the second microwave modulated signal
Rate usually requires to be arranged according to quantum bit intrinsic frequency, to guarantee that quantum bit logic state reads the fidelity of signal.
In the present embodiment, for by superconducting quantum interference device (SQUID) (superconducting quantum interference device (SQUID) (superconducting
Quantuminterference device, abbreviation SQUID) by two Josephson junctions cyclization in parallel, Josephson junction
Itself it is nonlinear organization, can be equivalent to the parallel connection of a controllable impedance and a capacitor, controllable impedance and surpassing by knot
Electrical conduction current size is related, and supercurrent is smaller, and inductance is bigger.) and capacitor composition superconductive quantum bit working characteristics need
It asks, the microwave source module 42 provides the microwave signal of 4GHz to 8GHz, and the third digital simulation conversion module 41 has
The sample rate of 1Gs/s or more and the bandwidth of 200MHz or more.
As the preferred embodiment of the present embodiment, the microwave modulated signal generation module 4 further includes third board 44, described
Third connector, the 4th connector and the 5th connector are provided on third board 44；The third connector passes through described the
Three high speed serial expansion buses connect the main control module 1；4th connector is arranged by the inside of the third board 44
Line connects the third connector, and the 4th connector is for accommodating and being electrically connected the microwave source module 42；Described
Five connectors connect the third connector by the inside winding displacement of the third board 44, and the 5th connector for accommodating and
It is electrically connected the third digital simulation conversion module 41.Connected by third board 44, third connector, the 4th connector and the 5th
Fitting realizes the Integrated design of microwave modulated signal generation module 4.It should be noted that third connector, the 4th connector and
5th connector all can be PCIE class interface.
As the specific implementation of the present embodiment, the quantum bit reads detection module 5 and demodulates including first signal
Module 51 and the first simulation numeral conversion module 52.
Wherein: first signal demodulation module 51 is used to the quantum bit logic state is read return path signal demodulation
For echo signal；The input terminal of the first simulation numeral conversion module 52 connects the output of first signal demodulation module 51
End, for acquiring the echo signal, output end connects the main control module by the 4th high speed serial expansion bus
1, for collected echo signal to be uploaded to the main control module 1；Wherein: the echo signal is to meet first mould
The signal of quasi- number conversion module 52 working frequency and bandwidth of operation.It should be noted that the first signal demodulation module 51 and institute
Stating the first simulation numeral conversion module 52 also can integrate on board, and be realized by the way that PCIE high-speed interface is arranged on board
The connection of board and the first signal demodulation module 51, the first simulation numeral conversion module 52, main control module 1, specific implementation
With the integrated of each module described above, so not doing excessive description herein.
The quantum TT&C system of the present embodiment setting can provide the direct current letter for quantum bit regulation for quantum bit
Number, pulse signal and the first microwave modulated signal, or quantum bit, which is provided, reads inspection for quantum bit logic state
The the second microwave modulated signal surveyed, and for quantum bit to the quantum bit obtained after the response of the second microwave modulated signal
Logic state reads the processing of return path signal, and whole system can satisfy regulation and the measurement demand of quantum bit, is quantum meter
The research of calculation provides appointed condition.
When needing to further illustrate, based on the main control module 1 of FPGA setting, Feedback control logic module is inside also configured, instead
The input terminal of feedback control logic module connects the output end of the user logic module, for according to according to the quantum ratio detected
Whether special logic state information carries out the control of quantum bit adjustment signal, including but not limited to: continuing to provide quantum bit tune
Control signal is adjusted to change the quantum bit adjustment signal of output.
This system when in use, needs the modularization design control logic module inside FPGA, and the timing control is patrolled
Module is collected for controlling direct current signal generation module 2, pulse signal generation module 3, microwave modulated signal generation module 4 and quantum
Bit reads that detection module 5 is on-demand executes movement.
The structure, features, and effects of the present invention is described in detail based on the embodiments shown in the drawings, with
Upper described is only the preferred embodiment of the utility model, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to
Change or equivalent example modified to equivalent change made by conception according to the utility model, still without departing from specification and figure
When showing covered spirit, it should be within the protection scope of the present utility model.
Claims (11)
1. a kind of quantum TT&C system, which is characterized in that the quantum TT&C system includes:
Main control module, the main control module are arranged based on FPGA, interior to be configured with signal parameter information and user logic module,
In: the signal parameter includes direct current signal parameter, microwave Modulation Signal Parameters and pulse signal parameter；The user logic mould
Block reads feedback signal acquisition quantum bit logic state information for handling quantum bit logic state；
Direct current signal generation module connects the main control module, and the main control module by the first high speed serial expansion bus
The direct current signal regulated and controled for quantum bit is generated in conjunction with direct current signal state modulator the first signal generation module；
Pulse signal generation module connects the main control module, and the main control module by the second high speed serial expansion bus
The pulse signal generation module in conjunction with described in the pulse signal state modulator generates the pulse signal for quantum bit regulation；
Microwave modulated signal generation module connects the main control module, and the master control by third high speed serial expansion bus
Module controls the microwave modulated signal generation module and generates to regulate and control for quantum bit in conjunction with the microwave Modulation Signal Parameters
The first microwave modulated signal and for quantum bit logic state read detection the second microwave modulated signal；
Quantum bit reads detection module, connects the main control module by the 4th high speed serial expansion bus, is used for collection capacity
Sub- bit logic state reads return path signal, and uploads the quantum bit logic state and read return path signal to the master control mould
Block, and handled by the user logic module；Wherein: it is described that the quantum bit logic state, which reads return path signal,
Two microwave signals act on the signal of the carrying quantum bit logic status information obtained after quantum bit.
2. quantum TT&C system according to claim 1, which is characterized in that the direct current signal generation module includes:
First digital simulation conversion module connects the main control module by the first high speed serial expansion bus, for adopting
Collect the direct current signal parameter, the processing direct current signal parameter and exports direct current signal；
Reference voltage circuit is electrically connected the first digital simulation conversion module, for converting mould to first digital simulation
Block provides reference voltage and analog voltage；Wherein: the reference voltage is the work electricity of the first digital simulation conversion module
Pressure, determines the output area of the first digital simulation conversion module, and the analog voltage is first digital simulation conversion
The supply voltage of module.
3. quantum TT&C system according to claim 2, which is characterized in that the range of the reference voltage is that -10V is arrived
10V, and when the vertical resolution of the first digital simulation conversion module is greater than 16bit, first digital simulation converts mould
The precision of block is μ V magnitude.
4. quantum TT&C system according to claim 2, which is characterized in that
The first digital simulation conversion module further include:
First board is provided with the first connector and the second connector on first board；
First connector connects the main control module by the first high speed serial expansion bus；
Each second connector passes through winding displacement inside first board and connects first connector, and each described second
Connector connects the first digital simulation conversion module.
5. quantum TT&C system according to claim 1, which is characterized in that the pulse signal generation module includes:
Second digital simulation conversion module, input terminal connect the main control module by the second high speed serial expansion bus
Output end, for acquiring the pulse signal parameter, the processing pulse signal parameter and output difference signal；
Second operational amplifying module, input terminal connects the output end of the second digital simulation conversion module, for receiving
It states differential signal, the processing differential signal and exports single-ended signal；
Wherein: the bandwidth of second operational amplifying module is equal to the one of the sample rate of the second digital simulation conversion module
Half.
6. quantum TT&C system according to claim 5, which is characterized in that the second digital simulation conversion module is adopted
Sample rate is more than or equal to 1GS/s, and the bandwidth of the second digital simulation conversion module is more than or equal to 200MHz, second number
The vertical resolution for simulating conversion module is greater than 14bit.
7. quantum TT&C system according to claim 5, which is characterized in that the pulse signal generation module further includes
Two boards；
Be provided on second board the first slot for accommodating and being electrically connected the second digital simulation conversion module and
For accommodating and being electrically connected the second slot of second operational amplifying module.
8. quantum TT&C system according to claim 1, which is characterized in that
The microwave Modulation Signal Parameters include microwave signal parameter and baseband modulation signal parameter；
The microwave modulated signal generation module includes third digital simulation conversion module, microwave source module and the synthesis of the first signal
Module；
The input terminal of the microwave source module connects the output of the main control module by the third high speed serial expansion bus
End, for receiving the microwave signal parameter, the processing microwave signal parameter and exporting microwave signal；
The input terminal of the third digital simulation conversion module connects the master control by the third high speed serial expansion bus
The output end of module, for receiving the baseband modulation signal parameter, the processing baseband modulation signal parameter and exporting base band
Modulated signal；
The input terminal of first signal synthesizing module connects the microwave source module and third digital simulation conversion simultaneously
The output end of both modules obtains first microwave for carrying out synthesis to the microwave signal and the baseband modulation signal
Modulated signal or the second microwave modulated signal.
9. quantum TT&C system according to claim 8, which is characterized in that the microwave source module provides 4GHz to 8GHz
Microwave signal, the third digital simulation conversion module with 1Gs/s or more sample rate and 200MHz or more bandwidth.
10. quantum TT&C system according to claim 8, which is characterized in that
The third digital simulation conversion module further includes third board, and third connector, are provided on the third board
Four connectors and the 5th connector；
The third connector connects the main control module by the third high speed serial expansion bus；
4th connector connects the third connector, and the 4th connection by the inside winding displacement of the third board
Part is for accommodating and being electrically connected the microwave source module；
5th connector connects the third connector by the inside winding displacement of the third board, and the 5th connector is used
In accommodating and be electrically connected the third digital simulation conversion module.
11. quantum TT&C system according to claim 1, which is characterized in that the quantum bit reads detection module packet
It includes:
First signal demodulation module is demodulated into echo signal for the quantum bit logic state to be read return path signal；
First simulation numeral conversion module, input terminal connect the output end of first signal demodulation module, and output end is logical
It crosses the 4th high speed serial expansion bus and connects the main control module, for acquiring the echo signal, and collected
Echo signal is uploaded to the main control module；
Wherein: the echo signal is the signal for meeting the first simulation numeral conversion module working frequency and bandwidth of operation.
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| CN2018104035690 | 2018-04-28 | ||
| CN201810403569 | 2018-04-28 |
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| CN209486489U true CN209486489U (en) | 2019-10-11 |
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| CN109542028A (en) * | 2018-04-28 | 2019-03-29 | 合肥本源量子计算科技有限责任公司 | A kind of quantum TT&C system |
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| CN114062887B (en) * | 2020-07-30 | 2023-03-31 | 合肥本源量子计算科技有限责任公司 | Quantum chip testing method, device and system and storage medium |
| CN114076885B (en) * | 2020-08-11 | 2023-12-12 | 本源量子计算科技（合肥）股份有限公司 | Quantum chip testing method and device |
| CN115220373B (en) * | 2021-04-19 | 2024-04-05 | 本源量子计算科技（合肥）股份有限公司 | Quantum measurement and control system and method and quantum computer |
| CN115577784B (en) * | 2021-07-06 | 2024-04-05 | 本源量子计算科技（合肥）股份有限公司 | Method and device for calibrating qubit regulation signal and readable storage medium |
| CN115729753B (en) * | 2021-08-31 | 2024-04-05 | 本源量子计算科技（合肥）股份有限公司 | Signal acquisition device, measurement and control system and quantum computer |
| CN115902571B (en) * | 2021-08-31 | 2024-04-05 | 本源量子计算科技（合肥）股份有限公司 | Quantum measurement and control system and quantum computer |
| WO2023030101A1 (en) * | 2021-08-31 | 2023-03-09 | 合肥本源量子计算科技有限责任公司 | Quantum measurement and control system and quantum computer |
| CN115728566B (en) * | 2021-08-31 | 2024-04-09 | 本源量子计算科技（合肥）股份有限公司 | Signal generating device, measurement and control system and quantum computer |
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| CN109542028A (en) * | 2018-04-28 | 2019-03-29 | 合肥本源量子计算科技有限责任公司 | A kind of quantum TT&C system |
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| CN109613876A (en) | 2019-04-12 |
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