CN202333439U - High-power semiconductor ring laser - Google Patents
High-power semiconductor ring laser Download PDFInfo
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- CN202333439U CN202333439U CN2011204733874U CN201120473387U CN202333439U CN 202333439 U CN202333439 U CN 202333439U CN 2011204733874 U CN2011204733874 U CN 2011204733874U CN 201120473387 U CN201120473387 U CN 201120473387U CN 202333439 U CN202333439 U CN 202333439U
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Abstract
The utility model relates to a high-power semiconductor ring laser. The high-power semiconductor ring laser comprises an arc-shaped inner ring waveguide, a first input/output waveguide and the second input/output waveguide which are located on the two sides of the inner ring waveguide; a third waveguide and a fourth waveguide parallel with the first input/output waveguide and the second input/output waveguide respectively extend from the two ends of the inner ring waveguide; the first input/output waveguide and the third waveguide form a first directional coupler; the second input/output waveguide and the fourth waveguide form a second directional coupler; the first input/output waveguide and the second input/output waveguide are located two opposite ends of the inner ring waveguide, and are connected via an arc-shaped outer ring waveguide; the radius of the outer ring waveguide is larger than that of the inner ring waveguide; and the outer ring waveguide and the inner ring waveguide are connected to form an optical resonant cavity of a semiconductor ring laser via a first directional coupler and a second directional coupler. The utility model has the benefit that the high power semiconductor ring laser is achieved.
Description
Technical field
The utility model belongs to the optical communication technique field, is specifically related to a kind of high power semiconductor ring laser.
Background technology
The continuous expansion with application of reaching its maturity along with semiconductor laser technique; The range of application of high-power semiconductor laser has covered optoelectronic numerous areas; Become the core technology of current opto-electronic device, be widely used in the civilian and military field.The influence that how to reduce or avoid catastrophic optical damage damage (COD, catastrophic optical damage) to be brought is key technology and the important means that realizes high power semiconductor lasers.Therefore the semiconductor ring laser device has natural advantage owing to need the minute surface in fabry-Perot type laser the light feedback be provided in the solution of this problem.But realize high-power semiconductor ring laser device; This realizes high coupling ratio for common by the annular cavity laser that annular chamber and straight wave guide are combined to form, need longer device coupling length and littler coupling spacing; Long coupler length is unfavorable for miniaturization of devices; And little coupling spacing needs the technology manufacturing conditions of harsh device, therefore based on be difficult to realize high power semiconductor ring laser device with upper type.
The utility model content
The purpose of the utility model is in order to overcome the low shortcoming of conventional semiconductor ring laser power output, to have proposed a kind of high power semiconductor ring laser.
The technical scheme of the utility model is: a kind of high power semiconductor ring laser; The interior ring waveguide and the first input and output waveguide and the second input and output waveguide that are positioned at the ring waveguide both sides that comprise arc; It is characterized in that; The two ends of ring waveguide are extended three waveguide and four waveguide parallel with the second input and output waveguide with the first input and output waveguide respectively in said; Said first input and output waveguide and the 3rd waveguide constitute the first direction coupler; The second input and output waveguide and the 4th waveguide constitute the second direction coupler; The two ends that the said first input and output waveguide and the second input and output waveguide are positioned at ring waveguide phase the other side are connected through the outer ring waveguide of arc, and ring waveguide is big in the radius ratio of said outer ring waveguide, and said outer ring waveguide and interior ring waveguide connect and compose the optical resonator of semiconductor ring laser device through first direction coupler and second direction coupler.
Above-mentioned outer ring waveguide, interior ring waveguide, the first input and output waveguide, the second input and output waveguide, the 3rd waveguide and the 4th waveguide are active ridge waveguide, and medium is the active gain medium in the said waveguide.
The beneficial effect of the utility model is: the utility model constitutes the semiconductor ring laser device jointly through outer ring waveguide, interior ring waveguide, the first input and output waveguide, the second input and output waveguide, the 3rd waveguide and the 4th waveguide.Most of luminous power that outer ring waveguide produces is through input and output waveguide and output, and the luminous power of fraction is at the both direction coupler and locate to be coupled into interior ring waveguide through evanescent field; Most of luminous power that interior ring waveguide produces is through the 3rd waveguide and output and lose; The luminous power of fraction is coupled into outer ring waveguide at the both direction coupler with locating through evanescent field, therefore can realize providing laser to produce the optical resonator that necessary light feeds back through outer ring waveguide, interior ring waveguide, first direction coupler and second direction coupler.Can realize high-power semiconductor ring laser device based on this kind mode.
Description of drawings
Fig. 1 is the structural principle sketch map of the utility model embodiment 1.
Description of reference numerals: the electrode 11 of outer ring waveguide 1, interior ring waveguide 2, the first input and output waveguide 3, the second input and output waveguide 4, the 3rd waveguide 5, the 4th waveguide 6, first direction coupler 7, second direction coupler 8, first direction coupler electrode 9, second direction coupler electrode 10, semiconductor ring laser device.
Embodiment
Below in conjunction with accompanying drawing the technical scheme of the utility model is done detailed explanation.
As shown in Figure 1; A kind of high power semiconductor ring laser; The interior ring waveguide 2 and the first input and output waveguide 3 and the second input and output waveguide 4 that are positioned at ring waveguide 2 both sides that comprise arc; It is characterized in that; The two ends of ring waveguide 2 are extended three waveguide 5 and four waveguide 6 parallel with the second input and output waveguide 4 with the first input and output waveguide 3 respectively in said; Said first input and output waveguide 3 and the 3rd waveguide 5 constitute first direction coupler 7, the second input and output waveguides 4 and the 4th waveguide 6 formation second direction couplers 8, and the two ends that the said first input and output waveguide 3 and the second input and output waveguide 4 are positioned at ring waveguide 2 phase the other side are connected through the outer ring waveguide 1 of arc; Ring waveguide 2 is big in the radius ratio of said outer ring waveguide 1, and said outer ring waveguide 1 and interior ring waveguide 2 connect and compose the optical resonator of semiconductor ring laser device through first direction coupler 7 and second direction coupler 8.
Above-mentioned first direction coupler 7, second direction coupler 8 places dispose the coupling ratio that first direction coupler electrode 9, second direction coupler electrode 10 are used to control first direction coupler 7, second direction coupler 8 respectively, and first direction coupler 7 and second direction coupler 8 be the input and output luminous power through disappearance ripple coupled modes.
Above-mentioned outer ring waveguide 1, interior ring waveguide 2, the first input and output waveguide 3, the second input and output waveguide 4, the 3rd waveguide 5 and the 4th waveguide 6 are active ridge waveguide, and medium is the active gain medium in the said waveguide.
Below in conjunction with Fig. 1 the operation principle of the utility model is done further explanation, dotted line is represented light path among the figure.
The optical resonator that is made up of outer ring waveguide 1, interior ring waveguide 2, first direction coupler 7 and second direction coupler 8 injects at extrinsic current under electrode 11 conditions of semiconductor ring laser device and produces spontaneous radiation; Can be along propagating with counterclockwise both direction clockwise; When the direction of propagation of spontaneous emission light is clockwise direction; The luminous power that outer ring waveguide 1 clockwise direction is propagated transfers to the second input and output waveguide 4 that is connected with outer ring waveguide 1; Most of luminous power continues to propagate output through input and output waveguide 4; The fraction luminous power is because the coupling of disappearance ripple is coupled to the propagation of the 4th waveguide 6 continued at second direction coupler 8 places of the second input and output waveguide 4 and the 4th waveguide 6 formations; Transfer to the 3rd waveguide 5 that links to each other with interior ring waveguide 2 through the interior ring waveguide 2 that links to each other with the 4th waveguide 6; Most of afterwards luminous power continues to propagate output and lose through the 3rd waveguide 5; The fraction luminous power is transmitted to the outer ring waveguide 1 that links to each other with the first input and output waveguide 3 because the coupling of disappearance ripple is coupled to the first input and output waveguide, 3 continued at first direction coupler 7 places that the 3rd waveguide 5 and the first input and output waveguide 3 constitute from the 3rd waveguide 5; So just formed the optical resonator that provides laser to produce necessary light feedback, after the extrinsic current on the electrode 11 that injects the semiconductor ring laser device reached more than the threshold value, luminous power circulated in optical resonator repeatedly and vibration is strengthened; Then form clockwise sharp penetrating, obtain the high-power clockwise sharp luminous power of penetrating simultaneously at the second input and output waveguide, 4 places.When the direction of propagation of spontaneous emission light is counter clockwise direction; The luminous power that outer ring waveguide 1 is counterclockwise propagated transfers to the first input and output waveguide 3 that is connected with outer ring waveguide 1; Most of luminous power continues to propagate output through input and output waveguide 3; The fraction luminous power is because the coupling of disappearance ripple is coupled to the propagation of the 3rd waveguide 5 continued at first direction coupler 7 places of the first input and output waveguide 3 and the 3rd waveguide 5 formations; Transfer to the 4th waveguide 6 that links to each other with interior ring waveguide 2 through the interior ring waveguide 2 that links to each other with the 3rd waveguide 5; Most of afterwards luminous power continues to propagate output and lose through the 4th waveguide 6; The fraction luminous power is transmitted to the outer ring waveguide 1 that links to each other with the second input and output waveguide 4 because the coupling of disappearance ripple is coupled to the second input and output waveguide, 4 continued at second direction coupler 8 places that the 4th waveguide 6 and the second input and output waveguide 4 constitute from the 4th waveguide 6; So just formed the optical resonator that provides laser to produce necessary light feedback, after the extrinsic current on the electrode 11 that injects the semiconductor ring laser device reached more than the threshold value, luminous power circulated in optical resonator repeatedly and vibration is strengthened; Then form anticlockwise sharp penetrating, obtain the high-power anticlockwise sharp luminous power of penetrating simultaneously at the first input and output waveguide, 3 places.Can realize high power semiconductor ring laser through this kind mode along contrary both direction output.First coupler electrode 9 and second coupler electrode 10 are used to regulate the coupling ratio of semiconductor ring laser device.
In the foregoing description, waveguide all is to adopt the method for microfabrication on III-V family semiconductor active material, to obtain through etching.Behind the electrode 11 of the lasting injection semiconductor ring laser device of the extrinsic current that constantly increases,, can produce two-way (clockwise with counterclockwise) laser in the resonant cavity through the light feedback effect of spontaneous radiation and ring resonator.
Above-described specific embodiment; Purpose, technical scheme and beneficial effect to the utility model have carried out further explain; The protection range that should be understood that the utility model is not limited to such special statement and embodiment; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (2)
1. high power semiconductor ring laser; The interior ring waveguide and the first input and output waveguide and the second input and output waveguide that are positioned at the ring waveguide both sides that comprise arc; It is characterized in that; The two ends of ring waveguide are extended three waveguide and four waveguide parallel with the second input and output waveguide with the first input and output waveguide respectively in said; Said first input and output waveguide and the 3rd waveguide constitute the first direction coupler; The second input and output waveguide and the 4th waveguide constitute the second direction coupler; The two ends that the said first input and output waveguide and the second input and output waveguide are positioned at ring waveguide phase the other side are connected through the outer ring waveguide of arc, and ring waveguide is big in the radius ratio of said outer ring waveguide, and said outer ring waveguide and interior ring waveguide connect and compose the optical resonator of semiconductor ring laser device through first direction coupler and second direction coupler.
2. a kind of high power semiconductor ring laser according to claim 1; It is characterized in that; Above-mentioned outer ring waveguide, interior ring waveguide, the first input and output waveguide, the second input and output waveguide, the 3rd waveguide and the 4th waveguide are active ridge waveguide, and medium is the active gain medium in the said waveguide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204733874U CN202333439U (en) | 2011-11-24 | 2011-11-24 | High-power semiconductor ring laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204733874U CN202333439U (en) | 2011-11-24 | 2011-11-24 | High-power semiconductor ring laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202333439U true CN202333439U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204733874U Expired - Lifetime CN202333439U (en) | 2011-11-24 | 2011-11-24 | High-power semiconductor ring laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202333439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412502A (en) * | 2011-11-24 | 2012-04-11 | 电子科技大学 | High-power semiconductor ring laser |
| CN103501200A (en) * | 2013-09-23 | 2014-01-08 | 电子科技大学 | Tunable optical chaotic signal generation device and method |
-
2011
- 2011-11-24 CN CN2011204733874U patent/CN202333439U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412502A (en) * | 2011-11-24 | 2012-04-11 | 电子科技大学 | High-power semiconductor ring laser |
| CN102412502B (en) * | 2011-11-24 | 2013-06-12 | 电子科技大学 | High-power semiconductor ring laser |
| CN103501200A (en) * | 2013-09-23 | 2014-01-08 | 电子科技大学 | Tunable optical chaotic signal generation device and method |
| CN103501200B (en) * | 2013-09-23 | 2017-02-01 | 电子科技大学 | Tunable optical chaotic signal generation device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20130612 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20130612 |
|
| RGAV | Abandon patent right to avoid regrant |