CN103258579A - Two-dimensional magnetic optical trap system and narrow line width single photon source preparing method thereof - Google Patents
Two-dimensional magnetic optical trap system and narrow line width single photon source preparing method thereof Download PDFInfo
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- CN103258579A CN103258579A CN2013101393836A CN201310139383A CN103258579A CN 103258579 A CN103258579 A CN 103258579A CN 2013101393836 A CN2013101393836 A CN 2013101393836A CN 201310139383 A CN201310139383 A CN 201310139383A CN 103258579 A CN103258579 A CN 103258579A
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Abstract
The invention discloses a two-dimensional magnetic optical trap system and a narrow line width single photon source preparing method thereof. The system comprises two pairs of reversed Helmholtz coils, a quartz vacuum cavity, an ion pump, a current feed through part with alkali metal releasing agent, a vacuum valve, a six-way connector, a first glass window, a second glass window and a first semiconductor laser. Six openings of the six-way connector are respectively connected with the quartz vacuum cavity, the ion pump, the current feed through part, the vacuum valve, the first glass window and the second glass window. The two pairs of reversed Helmholtz coils are respectively arranged in a horizontal-symmetrical mode and in a vertical-symmetrical mode. According to the method, the two-dimensional magnetic optical trap system obtains a long-strip-shaped cold atomic group through cooling light, then spontaneous radiation four-wave mixing is used, Stokes photons and reversed Stokes photons are generated through pump light and coupling light, and the photons are collected. The line width of a narrow line width single photon source prepared by the two-dimensional magnetic optical trap system is in the megahertz magnitude, and the narrow line width single photon source is suitable for long-distance quantum communication.
Description
Technical field
The present invention relates to a kind of two-dimentional magnetic light trap system, especially a kind of two-dimentional magnetic light trap system and prepare the method for narrow linewidth single-photon source belongs to the photon transmission technical field.
Background technology
Photon is the elementary particle that transmits electromagnetic interaction, it is the carrier of electromagnetic radiation, photon is media that transmits electromagnetic interaction in quantum field theory, and in quantum communication system, it is considered to desirable information transport vehicle, but the photon in the channel has limited the distance of its communication with the transmission range exponential damping, quantum communications then need to utilize the quantum relaying based on quantum memory at a distance, and the photon live width that quantum memory can be stored can not be greater than natural width (MHz magnitude), so the narrow linewidth single-photon source is most important.
At present, generally adopt transfer process under the spontaneous parameter that the chamber strengthens, right with the entangled photons that produces narrow linewidth, and then obtain the common method of narrow linewidth single-photon source, yet the defective of this method is that the control of optics cavity is difficult technically, and produced simultaneously photon centre frequency also is difficult to meet the requirement of quantum memory.
Summary of the invention
The objective of the invention is in order to solve the defective of above-mentioned prior art, provide a kind of rational in infrastructure, easy to use, can obtain the two-dimentional magnetic light trap system of long strip type cold atom group.
Another object of the present invention is to provide a kind of said system to prepare the method for narrow linewidth single-photon source.
Purpose of the present invention can reach by taking following technical scheme:
The two dimension magnetic light trap system, it is characterized in that: comprise the current feedthrough, vacuum valve, six pass joints, first glass window, second glass window of two pairs of anti-Helmholtz coilss, quartzy vacuum chamber, ionic pump, band alkali metal dispenser and for generation of first semiconductor laser of six bundle cooling light, six openings of described six pass joints are connected with quartzy vacuum chamber, ionic pump, current feedthrough, vacuum valve, first glass window and second glass window respectively; Described two pairs of anti-Helmholtz coilss horizontal symmetrical are respectively placed and vertical symmetrical the placement to cover quartzy vacuum chamber.
As a kind of preferred version, described quartzy vacuum chamber is connected by the upper opening of metal flange with six pass joints, described ionic pump is connected with the left part opening of six pass joints, described current feedthrough is connected with the right part opening of six pass joints, described vacuum valve is connected with the rear aperture of six pass joints, described first glass window is connected with the open front of six pass joints, and described second glass window is connected with the lower openings of six pass joints.
As a kind of preferred version, described each anti-Helmholtz coils is of a size of 10cm*30cm, and two pairs of anti-Helmholtz coilss form the gradient magnetic of a column in quartzy vacuum chamber center.
As a kind of preferred version, the six bundle cooling light that described first semiconductor laser produces are the Gaussian beam of circular section, be distributed in two pairs of anti-Helmholtz coilss around.
As a kind of preferred version, in the described six bundle cooling light, wherein two bundle cooling light are vertical with the perpendicular that anti-Helmholtz coils forms, and diameter is 38mm; The horizontal plane angle that four bundle cooling light and anti-Helmholtz coils form is 45 degree, and diameter is 25.4mm.
Another object of the present invention can reach by taking following technical scheme:
The two dimension magnetic light trap system prepares the method for narrow linewidth single-photon source, it is characterized in that may further comprise the steps:
1) adopts current feedthrough heating alkali metal dispenser, keep the quantity of atom to be cooled in the vacuum;
2) vacuum valve is connected a forepump, opens vacuum valve, two-dimentional magnetic light trap system inside is extracted into ultrahigh vacuum after, close vacuum valve, and utilize ionic pump with two-dimentional magnetic light trap system inner sustain in ultra-high vacuum state;
3) adopt big direct current to circulate in two pairs of anti-helmholtz coils, make anti-helmholtz coil form the gradient magnetic of a column in quartzy vacuum chamber center;
4) produce cooling light by first semiconductor laser, obtain long strip type cold atom group, and prepare the initial state to four-wave mixing;
5) stop emission cooling light by first semiconductor laser, produce pump light and coupling light by second semiconductor laser, described pump light and coupling light are 2～4 degree angles with the long axis direction that cold atom is rolled into a ball respectively, and reverse symmetry incident cold atom group;
6) described pump light and coupling light are collided with cold atom group respectively, long axis direction in cold atom group produces a Stokes photon, when this Stokes photon triggers single-photon detector, then produced the single photon of a reverse symmetry scattering, this single photon is the anti-Stokes photon, oppositely collects Stokes photon and anti-Stokes photon;
7) before cold atom group diffusion, stop to launch pump light and coupling light by second semiconductor laser, return step 4) and carry out next time preparation.
The present invention has following beneficial effect with respect to prior art:
1, two-dimentional magnetic light trap system of the present invention utilizes two pairs of anti-helmholtz coils to replace traditional a pair of anti-Helmholtz coils, by the cooling light vertical with the perpendicular of anti-Helmholtz coils, and with the surface level shape cooling light in angle of 45 degrees of anti-Helmholtz coils, can obtain the long strip type cold atom group of optical thickness, and not destroy the coherence between its ground state.
2, two-dimentional magnetic light trap system of the present invention is when the preparation single-photon source, pump light and coupling light by the generation of second semiconductor laser, separate the noise that to avoid from pump light and coupling light with flashlight (Stokes photon and the anti-Stokes photon) low-angle of final generation, and oppositely collect flashlight and be easier to later stage filtering, single-photon source has very high signal to noise ratio (S/N ratio).
3, two-dimentional magnetic light trap system of the present invention is when the preparation single-photon source, the transparent effect of electromagnetically induced of utilizing coupling light to produce, for the anti-Stokes photon provides a narrow transparent window, it is narrow to the natural width less than atom that the single photon live width of preparation can be pressed, and is the desirable single-photon source of remote quantum communications.
Description of drawings
Fig. 1 is the structural representation of the present invention's two dimension magnetic light trap system.
Fig. 2 is the preparation principle synoptic diagram of the present invention's two dimension magnetic light trap system.
Embodiment
Embodiment 1:
As shown in Figure 1, the two-dimentional magnetic light trap system of present embodiment comprises two pairs of anti-Helmholtz coilss 1, quartzy vacuum chamber 2, ionic pump 3, the current feedthrough 4 of band alkali metal dispenser, vacuum valve 5, six pass joints 6, first glass window 7, second glass window 8 and first semiconductor laser, described quartzy vacuum chamber 2 is connected by the upper opening of metal flange with six pass joints 6, described ionic pump 3 is connected with the left part opening of six pass joints 6, described current feedthrough 4 is connected with the right part opening of six pass joints 6, described vacuum valve 5 is connected with the rear aperture of six pass joints 6, described first glass window 7 is connected with the open front of six pass joints 6, and described second glass window 8 is connected with the lower openings of six pass joints 6; Described two pairs of anti-Helmholtz coilss 1 horizontal symmetrical are respectively placed and vertical symmetrical the placement to cover quartzy vacuum chamber 2, it forms the gradient magnetic of a column in quartzy vacuum chamber 2 centers, described each anti-Helmholtz coils 1 is of a size of 10cm*30cm as the playground shape.
Wherein, described first semiconductor laser is for generation of six bundle cooling light 9, and described six bundle cooling light 9 are the Gaussian beam of circular section, be distributed in two pairs of anti-Helmholtz coilss 1 around; In the described six bundle cooling light 9, wherein two bundle cooling light 9 are vertical with the perpendicular that anti-Helmholtz coils 1 forms, and diameter is 38mm; Four bundle cooling light 9 are 45 degree with the horizontal plane angle that anti-Helmholtz coils 1 forms, and diameter is 25.4mm.
As depicted in figs. 1 and 2, to prepare the process of narrow linewidth single-photon source as follows for the two-dimentional magnetic light trap system of present embodiment:
1) adopts current feedthrough 4 heating alkali metal dispensers, keep the quantity of atom to be cooled in the vacuum, as the rubidium atom;
2) vacuum valve 5 is connected a forepump, opens vacuum valve 5, two-dimentional magnetic light trap system inside is extracted into ultrahigh vacuum after, close vacuum valve 5, and utilize ionic pump 3 with two-dimentional magnetic light trap system inner sustain in ultra-high vacuum state;
3) adopt big direct current to circulate in two pairs of anti-helmholtz coils 1, make anti-helmholtz coil 1 form the gradient magnetic of a column in quartzy vacuum chamber 2 centers;
4) produce cooling light 9 by first semiconductor laser, obtain long strip type cold atom group 10, and prepare the initial state to four-wave mixing;
5) stop emission cooling light 9 by first semiconductor laser, produce pump light 11 and coupling light 12 by second semiconductor laser, described pump light 11 and coupling light 12 are 2 degree angles with the long axis direction of cold atom group 10 respectively, and reverse symmetry incident cold atom group 10;
6) described pump light 11 and coupling light 12 are collided with cold atom group 10 respectively, long axis direction in cold atom group 10 produces a Stokes photon 13, when this Stokes photon 13 triggers single-photon detector 14, then produced the single photon of a reverse symmetry scattering, this single photon is anti-Stokes photon 15, oppositely collect Stokes photon 13 and anti-Stokes photon 15, to detect a Stokes photon 13 as the foundation that has produced an anti-Stokes photon 15;
7) before 10 diffusions of cold atom group, stop to launch pump light 11 and coupling light 12 by second semiconductor laser, return step 4) and carry out next time preparation, can repeat for several times.
The live width of the anti-Stokes photon 15 that above-mentioned steps prepares can be pressed narrow to less than the natural width of atom, and namely live width is the narrow linewidth single-photon source of order of megahertz, and it is applicable to remote quantum communications.
In the present embodiment, described first semiconductor laser is semiconductor laser TA100, and described second semiconductor laser is semiconductor laser DL100.
The above; it only is the preferred embodiment of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in scope disclosed in this invention; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all belonged to protection scope of the present invention.
Claims (6)
1. two-dimentional magnetic light trap system, it is characterized in that: comprise the current feedthrough (4), vacuum valve (5), six pass joints (6), first glass window (7), second glass window (8) of two pairs of anti-Helmholtz coilss (1), quartzy vacuum chamber (2), ionic pump (3), band alkali metal dispenser and for generation of first semiconductor laser of six bundle cooling light (9), six openings of described six pass joints (6) are connected with quartzy vacuum chamber (2), ionic pump (3), current feedthrough (4), vacuum valve (5), first glass window (7) and second glass window (8) respectively; Described two pairs of anti-Helmholtz coilss (1) horizontal symmetrical are respectively placed and vertical symmetrical the placement to cover quartzy vacuum chamber (2).
2. two-dimentional magnetic light trap system according to claim 1, it is characterized in that: described quartzy vacuum chamber (2) is connected by the upper opening of metal flange with six pass joints (6), described ionic pump (3) is connected with the left part opening of six pass joints (6), described current feedthrough (4) is connected with the right part opening of six pass joints (6), described vacuum valve (5) is connected with the rear aperture of six pass joints (6), described first glass window (7) is connected with the open front of six pass joints (6), and described second glass window (8) is connected with the lower openings of six pass joints (6).
3. two-dimentional magnetic light trap system according to claim 1 and 2, it is characterized in that: described each anti-Helmholtz coils (1) is of a size of 10cm*30cm, and two pairs of anti-Helmholtz coilss (1) form the gradient magnetic of a column in quartzy vacuum chamber (2) center.
4. two-dimentional magnetic light trap system according to claim 1 and 2 is characterized in that: the six bundle cooling light (9) that described first semiconductor laser produces are the Gaussian beam of circular section, be distributed in two pairs of anti-Helmholtz coilss (1) around.
5. two-dimentional magnetic light trap system according to claim 4 is characterized in that: in the described six bundle cooling light (9), wherein two bundle cooling light (9) are vertical with the perpendicular of anti-Helmholtz coils (1) formation, and diameter is 38mm; Four bundle cooling light (9) are 45 degree with the horizontal plane angle that anti-Helmholtz coils (1) forms, and diameter is 25.4mm.
6. based on the method for the described systems produce narrow linewidth of claim 1 single-photon source, it is characterized in that may further comprise the steps:
1) adopts current feedthrough (4) heating alkali metal dispenser, keep the quantity of atom to be cooled in the vacuum;
2) vacuum valve (5) is connected a forepump, opens vacuum valve (5), two-dimentional magnetic light trap system inside is extracted into ultrahigh vacuum after, close vacuum valve (5), and utilize ionic pump (3) with two-dimentional magnetic light trap system inner sustain in ultra-high vacuum state;
3) adopt big direct current to circulate in two pairs of anti-helmholtz coils (1), make anti-helmholtz coil (1) form the gradient magnetic of a column in quartzy vacuum chamber (2) center;
4) produce cooling light (9) by first semiconductor laser, obtain long strip type cold atom group (10), and prepare the initial state to four-wave mixing;
5) stop emission cooling light (9) by first semiconductor laser, produce pump light (11) and coupling light (12) by second semiconductor laser, described pump light (11) and coupling light (12) are 2～4 degree angles with the long axis direction of cold atom group (10) respectively, and reverse symmetry incident cold atom group (10);
6) described pump light (11) and coupling light (12) are collided with cold atom group (10) respectively, long axis direction in cold atom group (10) produces a Stokes photon (13), when this Stokes photon (13) triggers single-photon detector (14), then produced the single photon of a reverse symmetry scattering, this single photon is anti-Stokes photon (15), oppositely collects Stokes photon (13) and anti-Stokes photon (15);
7) before cold atom group (10) diffusion, stop to launch pump light (11) and coupling light (12) by second semiconductor laser, return step 4) and carry out next time preparation.
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| CN103700417A (en) * | 2013-12-20 | 2014-04-02 | 北京航天时代光电科技有限公司 | Two-dimensional magnetic-optical trap system |
| CN103763847A (en) * | 2014-01-14 | 2014-04-30 | 中国科学院上海光学精密机械研究所 | Integrating sphere magnetism-insensitive imprisoning system |
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| CN106683976A (en) * | 2017-01-21 | 2017-05-17 | 中国科学院武汉物理与数学研究所 | Single photon source based on single trapped ion |
| CN106782739A (en) * | 2016-12-28 | 2017-05-31 | 中国科学院上海高等研究院 | Light path system and high flux cold atom line two-dimensional magnetic optical trap system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006337088A (en) * | 2005-05-31 | 2006-12-14 | National Institute Of Information & Communication Technology | Magnetooptical trap system of neutral atom |
| US20110290991A1 (en) * | 2010-05-26 | 2011-12-01 | British Columbia Institute Of Technology | Method and device for accurately measuring the incident flux of ambient particles in a high or ultra-high vacuum environment |
| CN102681433A (en) * | 2012-05-04 | 2012-09-19 | 中国科学院上海光学精密机械研究所 | Non-adiabatic transferring device of cold atomic group and transferring method thereof |
| CN102749708A (en) * | 2012-06-25 | 2012-10-24 | 中国计量科学研究院 | Magnetic-optical trap (MOT) device and manufacturing method thereof |
| CN102969038A (en) * | 2011-08-29 | 2013-03-13 | 香港科技大学 | Two-dimensional magneto-optical trap for neutral atoms |
-
2013
- 2013-04-19 CN CN2013101393836A patent/CN103258579A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006337088A (en) * | 2005-05-31 | 2006-12-14 | National Institute Of Information & Communication Technology | Magnetooptical trap system of neutral atom |
| US20110290991A1 (en) * | 2010-05-26 | 2011-12-01 | British Columbia Institute Of Technology | Method and device for accurately measuring the incident flux of ambient particles in a high or ultra-high vacuum environment |
| CN102969038A (en) * | 2011-08-29 | 2013-03-13 | 香港科技大学 | Two-dimensional magneto-optical trap for neutral atoms |
| CN102681433A (en) * | 2012-05-04 | 2012-09-19 | 中国科学院上海光学精密机械研究所 | Non-adiabatic transferring device of cold atomic group and transferring method thereof |
| CN102749708A (en) * | 2012-06-25 | 2012-10-24 | 中国计量科学研究院 | Magnetic-optical trap (MOT) device and manufacturing method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 颜辉等: "冷原子系综中窄线宽纠缠光子对的产生和调制", 《安徽大学学报(自然科学版)》 * |
| 魏荣等: "准二维磁光阱中俘获长条形冷原子团", 《中国激光》 * |
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| CN116646807A (en) * | 2023-07-27 | 2023-08-25 | 中久光电产业有限公司 | Narrow linewidth fiber laser packaging hardware |
| CN116646807B (en) * | 2023-07-27 | 2023-10-20 | 中久光电产业有限公司 | Narrow linewidth fiber laser packaging hardware |
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