CN106953619A - The sub- cycle microwave pulse sequence generating device manipulated for cold atom quantum state - Google Patents
The sub- cycle microwave pulse sequence generating device manipulated for cold atom quantum state Download PDFInfo
- Publication number
- CN106953619A CN106953619A CN201710277051.2A CN201710277051A CN106953619A CN 106953619 A CN106953619 A CN 106953619A CN 201710277051 A CN201710277051 A CN 201710277051A CN 106953619 A CN106953619 A CN 106953619A
- Authority
- CN
- China
- Prior art keywords
- pulse
- srd
- sub
- capacitance
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 title claims abstract description 11
- 238000007493 shaping process Methods 0.000 claims abstract description 19
- 238000011084 recovery Methods 0.000 claims description 12
- 101000668165 Homo sapiens RNA-binding motif, single-stranded-interacting protein 1 Proteins 0.000 claims description 11
- 102100039692 RNA-binding motif, single-stranded-interacting protein 1 Human genes 0.000 claims description 11
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 claims description 9
- 101150105073 SCR1 gene Proteins 0.000 claims description 9
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 claims description 9
- 230000005284 excitation Effects 0.000 claims description 3
- 230000000306 recurrent effect Effects 0.000 abstract description 5
- 238000005086 pumping Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 210000001367 artery Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/64—Generators producing trains of pulses, i.e. finite sequences of pulses
Landscapes
- Amplifiers (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The sub- cycle microwave pulse sequence generating device of cold atom quantum state manipulation, including DDS stimuli subsystems, power amplifier, the generation of SRD signals and shaping circuit, the broad-band antenna being sequentially connected；Described SRD signals occur and shaping circuit includes pulse generating circuit and pulse shaper.The problem of time interval when the present invention solves sub- recurrent pulse generation in the past between pulse is longer, the pulse train at different time interval can be obtained by adjusting DDS, and pulse generating unit is simplified, its is easy to operate, implementation is more prone to, and can produce the pulse of pulsewidth narrower (in hundred psecs)；And by adding shaping pulse part, solve the phenomenon that conventional pulse is seriously trailed.
Description
Technical field
The present invention relates to a kind of sub- cycle microwave pulse sequence generating device.
Background technology
Super-broadband tech (UWB) is a kind of new microwave communication techniques grown up in recent years, ultra-wideband pulse tool
There is the bandwidth of several GHz magnitudes, and its pulse possesses quick rising and falling edges.Sub- cycle microwave pulse is to be less than in the concussion cycle
The ultra-wideband microwave pulse in 1 cycle, strong with penetration power, strong antijamming capability, frequency band is wider, and anti-stealth capability waits more by force special
Point, is especially suitable for short haul connection, and be widely applied in terms of such as covert communications, through-wall radar, detection radar.
Ultra wide band also can operate with the manipulation to atom, for example, atom can be acted on microwave pulse sequence, and then to its quantum
State is manipulated, and realizes energy level transition, the i on population transfer, its research to field intensity and matter interaction in the sub- cycle of atom
Play an important role.
The existing method with more generation monocycle or sub- recurrent pulse mainly has two kinds, i.e., based on the pole of snowslide two
The avalanche effect of pipe produces monocycle or sub- recurrent pulse and produces monocycle or sub- week using the tunneling effect of tunnel diode
Phase pulse.Both approaches are all based on circuit methods generation, and nanosecond and subnanosecond can be produced by being produced with both approaches
The pulse of rank.But be due to this two method when designing circuit, it is necessary to component it is relatively more, pulse is in transmitting procedure medium wave
Larger distortion can occur for shape, and for example pulse tail shake or ringing are than more serious.Therefore in practical study and the reality of pulse
Inconvenience part will be brought in the application of border.
The content of the invention
The present invention will overcome the disadvantages mentioned above of prior art, and there is provided the sub- cycle microwave arteries and veins manipulated for cold atom quantum state
Rush sequence generating device.
The sub- cycle microwave pulse sequence generating device of cold atom quantum state manipulation, it is characterised in that：Including being sequentially connected
DDS stimuli subsystems 1, power amplifier 2, SRD signals occur and shaping circuit 3, broad-band antenna 4；Described SRD signals hair
Raw and shaping circuit 3 includes pulse generating circuit 31 and pulse shaper 32；
Pulse generating circuit 31 includes：DDS driving sources V1 positive pole and tuning capacitance C1 first ends and encourage inductance L1 the
One end is connected and is connected to the ground, and DDS driving sources V1 negative pole and tuning capacitance C1 the second end, step-recovery diode SRD are just
Pole is all grounded；Encourage the first of the second ends of inductance L1 and first resistor R1 first ends and SRD negative poles and the first capacitance C2
End is connected, and the first load resistance R1 the second end is connected with the first DC offset voltage V2 positive poles, the first DC offset voltage V2
Negative pole is grounded；First capacitance C2 the second end connects pulse shaper 32 as the output end of pulse generating circuit 31
First Schottky diode SCR1 positive pole；
Pulse shaper 32 includes：First Schottky diode SCR1 negative pole and second resistance R2 first ends and second
Capacitance C3 first ends are connected；Second capacitance C3 the second end connects the second Schottky diode SCR2 negative poles, the 3rd
The first end of capacitance C4 first end, the 4th resistance R4；3rd capacitance C4 the second end connection 3rd resistor R3's
First end, the 4th resistance R4 the second end connects the second DC offset voltage V3 negative pole, and the second DC offset voltage V3 is just
Pole, 3rd resistor R3 the second end, the second end of second resistance, the second Schottky diode SCR2 positive pole are all grounded.
In order to obtain the shorter pulse train of two neighboring pulse interval and simplify sub- cycle microwave pulse sequence
Generating means simultaneously produces pulsewidth narrower monocycle or sub- cycle microwave pulse, and the present invention produces controllable frequency using DDS
Step-recovery diode (SRD) in pumping signal, driving pulse generating means, produces individual pulse width in hundred psec ranks
Sub- periodic pulse train, and using shaping component and regulation component, the pulse of generation is subjected to shaping, reduce due to
Circuit middle impedance is not matched strictly and pulse tail oscillatory occurences caused by component, obtains the preferable pulse of shape, so that
To different pulse train.
The technical solution adopted for the present invention to solve the technical problems is：Produced using the feature of DDS adjustable frequency
The pumping signal of one specific frequency, is then amplified by power amplifier to its power, and the pumping signal of the amplification is passed
Step-recovery diode (SRD) is delivered to, single width is produced using the step current turn-off characteristic of step-recovery diode (SRD)
Added in the sub- cycle microwave pulse sequence of hundred picoseconds, and in the pulse-generating circuit part based on step-recovery diode
One 0.1-0.5pF small capacitances as circuit tuning capacitance, for adjusting the resonant frequency of circuit, then in pulses generation portion
Resistance is added after point, Schottky diode carries out shaping as the main devices of shaping unit to pulse.
Beneficial effects of the present invention are：The present invention solves the time interval between pulse when sub- recurrent pulse is produced in the past
Longer the problem of, the pulse train at different time interval can be obtained by adjusting DDS, and pulse generating unit has obtained letter
Change, its is easy to operate, implements to be more prone to, and can produce the pulse of pulsewidth narrower (in hundred psecs)；And it is whole by adding pulse
Shape part, solves the phenomenon that conventional pulse is seriously trailed.
Brief description of the drawings
Fig. 1 is the principle schematic of the present invention.
Fig. 2 is the switch off current performance plot of SRD under sine-wave excitation.
Fig. 3 is the circuit diagram of the generation of SRD signals and shaping circuit.
Embodiment：
The present invention is further described below in conjunction with the accompanying drawings.
The sub- cycle microwave pulse sequence generating device of cold atom quantum state manipulation, it is characterised in that：Including being sequentially connected
DDS stimuli subsystems 1, power amplifier 2, SRD signals occur and shaping circuit 3, broad-band antenna 4；Described SRD signals hair
Raw and shaping circuit 3 includes pulse generating circuit 31 and pulse shaper 32；
Pulse generating circuit 31 includes：DDS driving sources V1 positive pole and tuning capacitance C1 first ends and encourage inductance L1 the
One end is connected and is connected to the ground, and DDS driving sources V1 negative pole and tuning capacitance C1 the second end, step-recovery diode SRD are just
Pole is all grounded；Encourage the first of the second ends of inductance L1 and first resistor R1 first ends and SRD negative poles and the first capacitance C2
End is connected, and first resistor R1 the second end is connected with the first DC offset voltage V2 positive poles, the first DC offset voltage V2 negative poles
Ground connection；First capacitance C2 the second end connects the first of pulse shaper 32 as the output end of pulse generating circuit 31
Schottky diode SCR1 positive pole；
Pulse shaper 32 includes：First Schottky diode SCR1 negative pole and second resistance R2 first ends and second
Capacitance C3 first ends are connected；Second capacitance C3 the second end connects the second Schottky diode SCR2 negative poles, the 3rd
The first end of capacitance C4 first end, the 4th resistance R4；3rd capacitance C4 the second end connection 3rd resistor R3's
First end, the 4th resistance R4 the second end connects the second DC offset voltage V3 negative pole, and the second DC offset voltage V3 is just
Pole, 3rd resistor R3 the second end, the second end of second resistance, the second Schottky diode SCR2 positive pole are all grounded.
Referring to Fig. 1
The sub- cycle microwave pulse sequence generating device for being used for the manipulation of cold atom quantum state of the present invention includes DDS driving sources
Unit 1, power amplifier 2, SRD signals occur and shaping circuit 3, broad-band antenna 4；The generation process bag of whole pulse train
Include：The pumping signal of a specific frequency is produced by DDS stimuli subsystems 1, the frequency of the signal can be adjusted by DDS device therein
Control, can set the pumping signal of optional frequency, be then amplified pumping signal by power amplifier 2, enter afterwards
SRD signals occur and the excitation of shaping circuit 3 produces the pulse train of specific frequency and carry out shaping to pulse, finally by broadband day
Line 4 is received.
Referring to Fig. 3
The SRD signals for being used for sub- cycle microwave pulse generation occur and shaping circuit 3 includes two parts, i.e. arteries and veins
Rush generation circuit 31 and 32 two parts of pulse shaper.
The course of work of pulse-generating circuit 31：
The pumping signal of a specific frequency is produced by DDS driving sources V1, when the signal and the first DC offset voltage V2 productions
When raw voltage difference is bears, step-recovery diode SRD is in the conduction state, now, and electric current passes through step-recovery diode
SRD simultaneously charges to it, when the voltage difference that pumping signal and the first DC offset voltage V2 are produced from negative is changed into timing, profit
It is that step-recovery diode SRD will not end immediately with step-recovery diode SRD switch off current characteristic, but electric current is rapid
Reverse saturation state is reached, and maintains a period of time, the time, in ns ranks, then carries out rapidly back discharge, during the electric discharge
Between in ps ranks, it is zero to make reverse current moment, hereafter encourage inductance L1 can encourage production at step-recovery diode SRD negative poles
A raw sub- cycle microwave pulse, tuning capacitance C1 plays a part of to adjust circuit resonant frequencies, and first resistor R1 plays protection circuit
Effect.The sub- recurrent pulse produced by the process entered by the first capacitance C2 in pulse shaper 32 carry out it is whole
Shape.
The course of work of the circuit of shaping pulse 32：
The sub- cycle microwave pulse transmitted by the first capacitance C2 passes through the first Schottky diode SCR1, first
Schottky diode SCR1 only allows voltage magnitude in pulse to pass through for positive part, passes through the first Schottky diode SCR1
Afterwards, it is negative part that sub- cycle microwave pulse, which eliminates voltage magnitude, then again by second resistance R2, by sub- cycle microwave arteries and veins
Trailing portion is decayed in punching, passes through the second Schottky diode SCR2, the second Schottky diode SCR2 threshold value afterwards
Voltage is determined by the second DC offset voltage V3, when the magnitude of voltage for adjusting the second DC offset voltage V3 makes the pole of the second Schottky two
When pipe SCR2 threshold voltage is exactly equal to the sub- cycle microwave pulse trailing portion voltage magnitude maximum that prime is transmitted,
The second Schottky diode SCR2 now only allows voltage magnitude in sub- cycle microwave pulse to lead to more than the part of the maximum
Cross, thus by the second Schottky diode SCR2 after, the conditions of streaking in sub- cycle microwave pulse is basically eliminated, most rear dragging
The sub- cycle microwave pulse that tail phenomenon is substantially eliminated is received by the 3rd capacitance C4 by broad-band antenna, the second blocking
Electric capacity C3 and the 3rd capacitance C4 play a part of to exclude the direct current signal of the second DC offset voltage V3 generations, 3rd resistor R3
As load resistance, the 4th resistance R4 plays protection circuit.
Claims (1)
1. the sub- cycle microwave pulse sequence generating device of cold atom quantum state manipulation, it is characterised in that：Including what is be sequentially connected
DDS stimuli subsystems (1), power amplifier (2), SRD signals occur and shaping circuit (3), broad-band antenna (4)；Described SRD
Signal occurs and shaping circuit (3) includes pulse generating circuit (31) and pulse shaper (32)；
Pulse generating circuit (31) includes：DDS driving sources V1 positive pole and tuning capacitance C1 first ends and excitation inductance L1 first
End is connected and is connected to the ground, DDS driving sources V1 negative pole and tuning capacitance C1 the second end, step-recovery diode SRD positive poles
All it is grounded；Encourage the second ends of inductance L1 and first resistor R1 first ends and SRD negative poles and the first capacitance C2 first end
It is connected, the first load resistance R1 the second end is connected with the first DC offset voltage V2 positive poles, the first DC offset voltage V2 is born
Pole is grounded；First capacitance C2 the second end connects pulse shaper (32) as the output end of pulse generating circuit (31)
The first Schottky diode SCR1 positive pole；
Pulse shaper (32) includes：First Schottky diode SCR1 negative pole and second resistance R2 first ends and second every
Straight electric capacity C3 first ends are connected；Second capacitance C3 the second end connect the second Schottky diode SCR2 negative poles, the 3rd every
Straight electric capacity C4 first end, the 4th resistance R4 first end；The of 3rd capacitance C4 the second end connection 3rd resistor R3
One end, the 4th resistance R4 the second DC offset voltage V3 of the second end connection negative pole, the second DC offset voltage V3 positive pole,
3rd resistor R3 the second end, the second end of second resistance, the second Schottky diode SCR2 positive pole are all grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277051.2A CN106953619B (en) | 2017-04-25 | 2017-04-25 | Sub-periodic microwave pulse sequence generating device for cold atomic quantum state control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277051.2A CN106953619B (en) | 2017-04-25 | 2017-04-25 | Sub-periodic microwave pulse sequence generating device for cold atomic quantum state control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106953619A true CN106953619A (en) | 2017-07-14 |
| CN106953619B CN106953619B (en) | 2023-11-10 |
Family
ID=59476608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710277051.2A Active CN106953619B (en) | 2017-04-25 | 2017-04-25 | Sub-periodic microwave pulse sequence generating device for cold atomic quantum state control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106953619B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418570A (en) * | 2018-06-11 | 2018-08-17 | 南京邮电大学南通研究院有限公司 | A kind of narrow-pulse generation circuit in sequential equivalent system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3832568A (en) * | 1973-08-10 | 1974-08-27 | Sperry Rand Corp | Circuit for generating a single high voltage subnanosecond pulse from a step recovery diode |
| US20060148472A1 (en) * | 2005-01-05 | 2006-07-06 | Anritsu Company | Method and apparatus for extending the lower frequency operation of a sampler based VNA |
| US20060267652A1 (en) * | 2005-05-25 | 2006-11-30 | Camero-Tech Ltd. | Narrow ultra wideband pulse generator |
| CN101180797A (en) * | 2005-04-20 | 2008-05-14 | 新加坡科技研究局 | Apparatus and method for generating monocycle pulse |
| CN101227182A (en) * | 2008-01-29 | 2008-07-23 | 电子科技大学 | Narrow pulse signal generator based on clock drive |
| JP2010206711A (en) * | 2009-03-05 | 2010-09-16 | Furukawa Electric Co Ltd:The | Impulse generating circuit |
| WO2016130044A1 (en) * | 2015-02-11 | 2016-08-18 | Михаил Владимирович ЕФАНОВ | Generator of powerful nanosecond pulses (variants) |
| CN106374889A (en) * | 2016-08-31 | 2017-02-01 | 电子科技大学 | Fast pulse rising edge shaping device with controllable amplitude |
| CN206743204U (en) * | 2017-04-25 | 2017-12-12 | 浙江工业大学 | Sub- cycle microwave pulse sequence generating device for the manipulation of cold atom quantum state |
-
2017
- 2017-04-25 CN CN201710277051.2A patent/CN106953619B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3832568A (en) * | 1973-08-10 | 1974-08-27 | Sperry Rand Corp | Circuit for generating a single high voltage subnanosecond pulse from a step recovery diode |
| US20060148472A1 (en) * | 2005-01-05 | 2006-07-06 | Anritsu Company | Method and apparatus for extending the lower frequency operation of a sampler based VNA |
| CN101180797A (en) * | 2005-04-20 | 2008-05-14 | 新加坡科技研究局 | Apparatus and method for generating monocycle pulse |
| US20060267652A1 (en) * | 2005-05-25 | 2006-11-30 | Camero-Tech Ltd. | Narrow ultra wideband pulse generator |
| CN101227182A (en) * | 2008-01-29 | 2008-07-23 | 电子科技大学 | Narrow pulse signal generator based on clock drive |
| JP2010206711A (en) * | 2009-03-05 | 2010-09-16 | Furukawa Electric Co Ltd:The | Impulse generating circuit |
| WO2016130044A1 (en) * | 2015-02-11 | 2016-08-18 | Михаил Владимирович ЕФАНОВ | Generator of powerful nanosecond pulses (variants) |
| CN106374889A (en) * | 2016-08-31 | 2017-02-01 | 电子科技大学 | Fast pulse rising edge shaping device with controllable amplitude |
| CN206743204U (en) * | 2017-04-25 | 2017-12-12 | 浙江工业大学 | Sub- cycle microwave pulse sequence generating device for the manipulation of cold atom quantum state |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418570A (en) * | 2018-06-11 | 2018-08-17 | 南京邮电大学南通研究院有限公司 | A kind of narrow-pulse generation circuit in sequential equivalent system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106953619B (en) | 2023-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103731123B (en) | A kind of ultra-wideband impulse signal generation device based on memristor | |
| CN103929154B (en) | Picosecond monocycle impulse transmitter | |
| US5274271A (en) | Ultra-short pulse generator | |
| CN102121983B (en) | Ultra-wideband radar pulse transmitter and method | |
| CN101442300B (en) | Apparatus for generating digital ultra-wideband pulse with adjustable pulse width | |
| CN108418570A (en) | A kind of narrow-pulse generation circuit in sequential equivalent system | |
| CN102147460A (en) | System and method for receiving ultra wide band pulsed radar | |
| CN103326696B (en) | A kind of UWB Pulse Generator | |
| CN206743204U (en) | Sub- cycle microwave pulse sequence generating device for the manipulation of cold atom quantum state | |
| CN205961074U (en) | Tunable formula ultra wide band burst pulse that triggers produces device | |
| CN106953619A (en) | The sub- cycle microwave pulse sequence generating device manipulated for cold atom quantum state | |
| CN103926568B (en) | Balanced feeding sampling receiver | |
| CN203661015U (en) | An ultra wide band pulse signal generation apparatus based on a memristor | |
| CN107241085B (en) | Large-amplitude high-repetition-frequency nanosecond balanced pulse signal generator | |
| CN202206353U (en) | Ultra wide band pulse generator based on digital circuit | |
| CN104967465B (en) | The digital frequency-adjustable impulse radio ultra-wideband emitters of CMOS | |
| CN103929089A (en) | Rapid leading edge step pulse generator | |
| CN102594303A (en) | Narrow-pulse generation circuit | |
| CN108923771B (en) | First-order Gaussian pulse power synthesis circuit | |
| CN207318704U (en) | A kind of high-amplitude picosecond micropower UWB radar clock generates system | |
| Han et al. | Tunable monocycle pulse generator using switch controlled delay line and tunable RC network for UWB systems | |
| CN208188321U (en) | A kind of ultra-wideband pulse generation circuit can be used for Ground Penetrating Radar detection | |
| CN202475382U (en) | Narrow pulse generation circuit | |
| CN104967464B (en) | The digital BPSK modulation impulse radio ultra-wideband emitters of CMOS | |
| CN205610598U (en) | Ultra wide band impulse generator based on transistor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240730 Address after: Room 506, Building 10, Jing Xi Pu Yue Cheng, Xihu District, Hangzhou City, Zhejiang Province 310000 Patentee after: Hangzhou Weijia Quantum Technology Co.,Ltd. Country or region after: China Address before: 310014 Zhejiang University of Technology, 18, Chao Wang Road, Xiacheng District, Hangzhou, Zhejiang Patentee before: JIANG University OF TECHNOLOGY Country or region before: China |
|
| TR01 | Transfer of patent right |