CN207215292U - A kind of calibration system of the quantum detector based on quantum detection chromatographic technique - Google Patents
A kind of calibration system of the quantum detector based on quantum detection chromatographic technique Download PDFInfo
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- CN207215292U CN207215292U CN201721185305.XU CN201721185305U CN207215292U CN 207215292 U CN207215292 U CN 207215292U CN 201721185305 U CN201721185305 U CN 201721185305U CN 207215292 U CN207215292 U CN 207215292U
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Abstract
The utility model discloses a kind of calibration system of the quantum detector based on quantum detection chromatographic technique, including single-photon detector, optical lens and single-photon detector housing, the top of the single-photon detector is provided with alarming sign, and the lower right-hand side of alarming sign is provided with nameplate, radiating groove is provided with below the nameplate, base is provided with below the radiating groove；New quantum calibration system can be under few precondition, the Quantum Properties of single-photon detector are precisely comprehensively described by the POVM matrixes rebuild, it can not only realize that " black box formula " is demarcated, the quantum behavior of single-photon detector can completely be annotated, the Quantum Properties of single-photon detector can be verified, the quantum calibration system of development has the characteristics of intelligent, integrated and compatible strong, can complete the quantum demarcation of the near-infrared single photon detector of common various repetition rates.
Description
Technical field
The utility model belongs to quantum detection technology field, and in particular to a kind of quantum based on quantum detection chromatographic technique
The calibration system of detector.
Background technology
Quantum measurement is the bridge of the classical event of connection and quantum appearance.We can both be observed by quantum survey tool
One quantized system, quantum survey tool can also be used to carry out the preparation and manipulation of quantum state.Quantum measurement is increasingly becoming super
The main drive of the quantum techniques such as high-acruracy survey, quantum communications and quantum calculation development.Single-photon detector is as main
One of quantum detector, have been widely used in various quantum optical research.
The feature of single-photon detector is mainly described by detection efficient, response wave band and noise equivalent power,
Although the feature for the single-photon detector that these parameters can be effectively under description section particular module, if it is desired to comprehensively accurate
One single-photon detector of description, be far from being enough using only these parameters.
Utility model content
The purpose of this utility model is to provide a kind of demarcation system of the quantum detector based on quantum detection chromatographic technique
System, mainly by detection efficient, response wave band and is made an uproar with the feature for the single-photon detector for solving to propose in above-mentioned background technology
Sound equivalent power is described, although the spy for the single-photon detector that these parameters can be effectively under description section particular module
The problem of sign, but if it is desired to one single-photon detector of comprehensive and accurate description using only these parameters is far from enough.
To achieve the above object, the utility model provides following technical scheme：It is a kind of that chromatographic technique is detected based on quantum
The calibration system of quantum detector, including single-photon detector, optical lens and single-photon detector housing, the single-photon detecting
The top for surveying device is provided with alarming sign, and the lower right-hand side of alarming sign is provided with nameplate, is provided with below the nameplate
Radiating groove, base being provided with below the radiating groove, fixing port being provided with the base, the optical lens is arranged on single
The left end of photon detector, and protection board is provided with below optical lens, the single-photon detector housing is arranged on base
Top, and single-photon detector housing is internally provided with connector, is provided with USB interface, institute on the right side of the connector
State and indicator lamp is provided with the right side of USB interface, power interface, the optical lens and outside are provided with the right side of the indicator lamp
Power supply is electrically connected with.
Preferably, the single-photon detector is bolted to connection with nameplate.
Preferably, the protection board is provided with two altogether, and two protection boards are separately mounted to the left and right two of optical lens
End.
Preferably, the radiating groove is provided with four altogether, and two radiating grooves are installed on single-photon detector.
Preferably, the fixing port is provided with four altogether, and four fixing ports are installed on base.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, safe to use
Convenient, new quantum calibration system can be precisely comprehensive by the POVM matrixes rebuild under few precondition
Description single-photon detector Quantum Properties, can not only realize " black box formula " demarcate, overcome original single-photon detector
The characteristic of single-photon detector is briefly described using parameters such as detection efficient, response wave band and equivalent noises, can not completely annotate
The shortcomings that releasing the quantum behavior of single-photon detector, the POVM matrix computations single-photon detector to be measured rebuild can be utilized
Wigner functions, verify the Quantum Properties of single-photon detector, the quantum calibration system of development have it is intelligent, integrated and
The characteristics of compatibility is strong, the quantum demarcation of the near-infrared single photon detector of common various repetition rates can be completed.
Brief description of the drawings
Fig. 1 is schematic appearance of the present utility model；
Fig. 2 is side schematic view of the present utility model；
Fig. 3 is the internal structure schematic diagram of single-photon detector quantum calibration system of the present utility model；
In figure：1- single-photon detectors, 2- nameplates, 3- radiating grooves, 4- bases, 5- fixing ports, 6- protection boards, 7- optical frames
Head, 8- alarming signs, 9- single-photon detectors housing, 10- connectors, 11-USB interfaces, 12- indicator lamps, 13- power interfaces,
14- clock synchronized transmissions module, 15- human-machine interface modules, 16- data acquisition modules, 17- intelligent controls and data processing mould
Block, 18- Optical Power Monitor Modules, the adjustable attenuators of 19- second, 20- beam splitters, the adjustable attenuators of 21- first, 22-1550NM
Pulse laser generation module, 23-780NM pulse lasers generation module, 24- photoswitches.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of quantum based on quantum detection chromatographic technique
The calibration system of detector, including single-photon detector 1, optical lens 7 and single-photon detector housing 9, single-photon detector 1
Top be provided with alarming sign 8, and the lower right-hand side of alarming sign 8 is provided with nameplate 2, and the lower section of nameplate 2 is provided with radiating
Groove 3, the lower section of radiating groove 3 are provided with base 4, and fixing port 5 is provided with base 4, and optical lens 7 is arranged on single-photon detector
1 left end, and the lower section of optical lens 7 is provided with protection board 6, single-photon detector housing 9 is arranged on the top of base 4, and
Single-photon detector housing 9 is internally provided with connector 10, and the right side of connector 10 is provided with usb 11, usb 11
Right side be provided with indicator lamp 12, the right side of indicator lamp 12 is provided with power interface 13, and optical lens 7 electrically connects with external power source
Connect.
In order that, in the present embodiment, it is preferred that single-photon detector 1 is bolted to connection with nameplate 2.
In order that, in the present embodiment, it is preferred that protection board 6 is provided with two altogether, and two protection boards 6 are installed respectively
In the left and right ends of optical lens 7.
In order that, in the present embodiment, it is preferred that radiating groove 3 is provided with four altogether, and two radiating grooves 3 are installed in
On single-photon detector 1.
In order that, in the present embodiment, it is preferred that fixing port 5 is provided with four altogether, and four fixing ports 5 are installed in
On base 4.
The first adjustable attenuator 24 in the utility model is in specified frequency range, and one kind is predetermined to introduce one
The circuit of decay, typically indicated with the decibels of introduced decay and its ohmage of characteristic impedance.In cable television system
In widely use attenuator to meet requirement of the multiport to level, control such as the input, output end level of amplifier,
The control of branch off attenuation amount.
Operation principle and process for using of the present utility model：After the utility model installs, by power on to power supply
Interface 13, data connecting line is attached by usb 11, optical lens 7 provides demarcation to single-photon detector 1 to be measured
With light source, in order to improve the compatibility of calibration system, 780NM pulse lasers generation module 23 and 1550NM arteries and veins are embedded in system
The pulse laser generation module of 22 two kinds of wave bands of impulse light generation module, the driving pulse of two kinds of laser generation modules are same by clock
Step and transmitter module 14 provide, and the repetition rate of pulse laser can work frequently according to the highest of actual single-photon detector to be measured
Rate is set and changed.Calibration system can select the wave band of the incident photon needed to use by photoswitch 24, be opened from light,
The light of 24 outputs are decayed for the first time by the first adjustable attenuator 21, are then divided by beam splitter 20 for two-way, all the way into light
Power monitoring module 18 is used for SERVO CONTROL, and another way exports after the secondary extinction of the second adjustable attenuator 19, as final
The photon pulse of demarcation, the average photon number of the photon pulse of system output can be by changing the He of the first adjustable attenuator 21
The decay of second adjustable attenuator 19 is adjusted, wherein the second adjustable attenuator 19 is mainly responsible for large range of regulation, and
First adjustable attenuator 21 is mainly responsible for small range of average photon number regulation.Intelligent control and data processing module 17 can be with
According to the servo feedback result of optical power monitoring module 18, the average photon number of incident photon pulse is automatically adjusted or scans,
The full automatic calibration function of system is realized, clock synchronized transmissions module 14 produces according to the clock reference of internal system or outside
Synchronised clock required for system, there is provided to two pulse laser generation modules, data acquisition module 16 and the outside in system
Detector to be measured use, and can according to the delay between each functional module in the delay situation adjustment system of detector to be measured,
Data acquisition module 16 is used for the output signal for gathering single-photon detector 1, and result is transferred at intelligent control and data
Reason module 17 carries out calculating processing, intelligent control and data processing mould, 17 can according to the electric parameter of single-photon detector 1 from
The synchronised clock of dynamic initialization system, control selections system need the optical band demarcated, and monitor and scan demarcation photon pulse
The setting of average photon number and system other parameters.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of calibration system of the quantum detector based on quantum detection chromatographic technique, including single-photon detector (1), optics
Camera lens (7) and single-photon detector housing (9), it is characterised in that：The top of the single-photon detector (1) is provided with warning-sign
Know (8), and the lower right-hand side of alarming sign (8) is provided with nameplate (2), and radiating groove (3) is provided with below the nameplate (2),
Base (4) is provided with below the radiating groove (3), fixing port (5), the optical lens (7) are provided with the base (4)
Left end installed in single-photon detector (1), and protection board (6), the single photon detection are provided with below optical lens (7)
Device housing (9) is arranged on the top of base (4), and single-photon detector housing (9) is internally provided with connector (10), described
USB interface (11) is provided with the right side of connector (10), indicator lamp (12) is provided with the right side of the USB interface (11), it is described
Power interface (13) is provided with the right side of indicator lamp (12), the optical lens (7) is electrically connected with external power source.
2. a kind of calibration system of quantum detector based on quantum detection chromatographic technique according to claim 1, it is special
Sign is：The single-photon detector (1) is bolted to connection with nameplate (2).
3. a kind of calibration system of quantum detector based on quantum detection chromatographic technique according to claim 1, it is special
Sign is：The protection board (6) is provided with two altogether, and two protection boards (6) are separately mounted to the left and right two of optical lens (7)
End.
4. a kind of calibration system of quantum detector based on quantum detection chromatographic technique according to claim 1, it is special
Sign is：The radiating groove (3) is provided with four altogether, and two radiating grooves (3) are installed on single-photon detector (1).
5. a kind of calibration system of quantum detector based on quantum detection chromatographic technique according to claim 1, it is special
Sign is：The fixing port (5) is provided with four altogether, and four fixing ports (5) are installed on base (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721185305.XU CN207215292U (en) | 2017-09-15 | 2017-09-15 | A kind of calibration system of the quantum detector based on quantum detection chromatographic technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721185305.XU CN207215292U (en) | 2017-09-15 | 2017-09-15 | A kind of calibration system of the quantum detector based on quantum detection chromatographic technique |
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| Publication Number | Publication Date |
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| CN207215292U true CN207215292U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721185305.XU Expired - Fee Related CN207215292U (en) | 2017-09-15 | 2017-09-15 | A kind of calibration system of the quantum detector based on quantum detection chromatographic technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220286A (en) * | 2020-02-24 | 2020-06-02 | 四川九洲电器集团有限责任公司 | Single photon detector parameter measuring system and method |
-
2017
- 2017-09-15 CN CN201721185305.XU patent/CN207215292U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220286A (en) * | 2020-02-24 | 2020-06-02 | 四川九洲电器集团有限责任公司 | Single photon detector parameter measuring system and method |
| CN111220286B (en) * | 2020-02-24 | 2021-10-22 | 四川九洲电器集团有限责任公司 | Single photon detector parameter measuring system and method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20200915 |
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| CF01 | Termination of patent right due to non-payment of annual fee |