JP2003283024A5 - - Google Patents
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- JP2003283024A5 JP2003283024A5 JP2002084254A JP2002084254A JP2003283024A5 JP 2003283024 A5 JP2003283024 A5 JP 2003283024A5 JP 2002084254 A JP2002084254 A JP 2002084254A JP 2002084254 A JP2002084254 A JP 2002084254A JP 2003283024 A5 JP2003283024 A5 JP 2003283024A5
- Authority
- JP
- Japan
- Prior art keywords
- tunable laser
- filter
- wavelength tunable
- gain medium
- wavelength
- 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.)
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- 230000005540 biological transmission Effects 0.000 claims 2
- 229910052691 Erbium Inorganic materials 0.000 claims 1
- 229910013641 LiNbO 3 Inorganic materials 0.000 claims 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
Claims (10)
レーザ光を生成する利得媒体と、
前記２つの反射面の間に配置され、前記利得媒体で生成されたレーザ光の第１の所定波長領域を透過させる第１のフィルタと、
前記２つの反射面の間に配置され、前記第１のフィルタを透過したレーザ光の第２の所定波長領域を透過させる第２のフィルタと、を有し、
前記第１のフィルタは、前記第１の所定透過領域を調整できる可変フィルタであり、前記第２のフィルタは、前記第２の所定透過領域が周期的に配列されたフィルタであることを特徴とする波長可変レーザ。A tunable laser having a resonance region formed by two reflecting surfaces,
A gain medium for generating laser light;
A first filter disposed between the two reflecting surfaces and transmitting a first predetermined wavelength region of laser light generated by the gain medium;
A second filter that is disposed between the two reflecting surfaces and transmits a second predetermined wavelength region of the laser light transmitted through the first filter;
The first filter is a variable filter capable of adjusting the first predetermined transmission region, and the second filter is a filter in which the second predetermined transmission regions are periodically arranged. Tunable laser.
前記第１のフィルタは、音響光学素子で構成されることを特徴とする波長可変レーザ。The tunable laser according to claim 1, wherein
The wavelength tunable laser, wherein the first filter includes an acoustooptic device.
前記第１のフィルタは、ドップラーシフトを相殺するように２段構成となっていることを特徴とする波長可変フィルタ。The tunable laser according to claim 2, wherein
The tunable filter according to claim 1, wherein the first filter has a two-stage configuration so as to cancel out the Doppler shift.
前記第２のフィルタは、前記レーザ光の導波路に対して所定角度の傾きを有することを特徴とする波長可変レーザ。In the said wavelength tunable laser of any one of Claim 1 to 3,
The wavelength tunable laser, wherein the second filter has a predetermined angle with respect to the laser light waveguide.
前記利得媒体は、エルビウムがドープされたＬｉＮｂＯ３より成ることを特徴とする波長可変レーザ。In the wavelength tunable laser according to any one of claims 1 to 4,
2. The wavelength tunable laser according to claim 1, wherein the gain medium is made of LiNbO 3 doped with erbium.
前記利得媒体は、半導体素子で形成されることを特徴とする波長可変レーザ。In the wavelength tunable laser according to any one of claims 1 to 4,
The wavelength tunable laser, wherein the gain medium is formed of a semiconductor element.
前記利得媒体及び／又は前記第１のフィルタは、前記レーザ光の導波路に対して所定角度の傾きを有することを特徴とする波長可変レーザ。The tunable laser according to claim 6, wherein
The wavelength tunable laser, wherein the gain medium and / or the first filter has an inclination of a predetermined angle with respect to a waveguide of the laser light.
前記利得媒体と前記第１のフィルタとが同一のプラットホーム上に形成されることを特徴とする波長可変レーザ。In the wavelength tunable laser according to any one of claims 2 to 7,
A wavelength tunable laser, wherein the gain medium and the first filter are formed on the same platform.
前記２つの反射面の一方又は両方は、前記利得媒体の一方の面及び／又は前記第１のフィルタの一方の面上に形成されることを特徴とする波長可変レーザ。In the wavelength tunable laser according to any one of claims 1 to 8,
One or both of the two reflecting surfaces are formed on one surface of the gain medium and / or one surface of the first filter.
前記利得媒体から最も離れた位置に、前記第２のフィルタと前記２つの反射面の一方を形成する第１の反射鏡とが配置され、前記波長可変レーザの出力は、前記第１の反射鏡と異なる第２の反射鏡から抽出されることを特徴とする波長可変レーザ。In the wavelength tunable laser according to any one of claims 1 to 9,
The second filter and a first reflecting mirror forming one of the two reflecting surfaces are disposed at a position farthest from the gain medium, and the output of the wavelength tunable laser is the first reflecting mirror. The wavelength tunable laser is extracted from a second reflecting mirror different from the above.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002084254A JP4146658B2 (en) | 2002-03-25 | 2002-03-25 | Tunable laser |
| US10/352,044 US6847662B2 (en) | 2002-03-25 | 2003-01-28 | Wavelength-selectable laser capable of high-speed frequency control |
| DE60332411T DE60332411D1 (en) | 2002-03-25 | 2003-01-30 | Frequency-selective laser with fast frequency control |
| EP07103474A EP1791230B1 (en) | 2002-03-25 | 2003-01-30 | Wavelength-selectable laser capable of high-speed frequency control |
| DE60332672T DE60332672D1 (en) | 2002-03-25 | 2003-01-30 | Selectable wavelength laser with high-speed frequency control |
| EP03250566A EP1349245B1 (en) | 2002-03-25 | 2003-01-30 | Wavelength-selectable laser capable of high-speed frequency control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002084254A JP4146658B2 (en) | 2002-03-25 | 2002-03-25 | Tunable laser |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003283024A JP2003283024A (en) | 2003-10-03 |
| JP2003283024A5 true JP2003283024A5 (en) | 2005-06-16 |
| JP4146658B2 JP4146658B2 (en) | 2008-09-10 |
Family
ID=29231691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002084254A Expired - Fee Related JP4146658B2 (en) | 2002-03-25 | 2002-03-25 | Tunable laser |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4146658B2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005303077A (en) | 2004-04-13 | 2005-10-27 | Fujitsu Ltd | Tunable laser device |
| JP4648647B2 (en) * | 2004-05-13 | 2011-03-09 | 日本電信電話株式会社 | Tunable semiconductor laser |
| JP4332067B2 (en) | 2004-05-25 | 2009-09-16 | 富士通株式会社 | Tunable laser device |
| JP2006278770A (en) | 2005-03-29 | 2006-10-12 | Nec Corp | Variable wavelength laser |
| DE112006001413T5 (en) * | 2005-06-02 | 2008-04-30 | Mitsubishi Electric Corp. | Solid-state laser apparatus |
| JP2008042178A (en) * | 2006-07-06 | 2008-02-21 | Matsushita Electric Ind Co Ltd | Fiber device, wavelength conversion device, and image display device |
| JP5193732B2 (en) | 2008-08-07 | 2013-05-08 | 富士通株式会社 | Wavelength tunable laser module, wavelength tunable laser apparatus, and wavelength tunable laser control method |
| WO2014180483A1 (en) * | 2013-05-06 | 2014-11-13 | Danmarks Tekniske Universitet | Coaxial direct-detection lidar-system |
| EP2933886B1 (en) * | 2014-04-16 | 2019-08-28 | DirectPhotonics Industries GmbH | Laser beam generating device and method for adjusting a wavelength of a laser beam |
| CN118867839B (en) * | 2024-07-05 | 2025-06-13 | 天津大学 | Semiconductor laser frequency stabilization system and method based on Fabry-Perot etalon |
-
2002
- 2002-03-25 JP JP2002084254A patent/JP4146658B2/en not_active Expired - Fee Related
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