2013 Fiscal Year Final Research Report
Research of a high-speed high-stability high-accuracy wavelength converter for large-capacity ultra-low-power networks
| Project/Area Number |
24860046
|
|---|
| Research Category |
Grant-in-Aid for Research Activity Start-up
|
| Allocation Type | Single-year Grants |
|---|
| Research Field |
Electron device/Electronic equipment
|
|---|
| Research Institution | Kyushu University |
|---|
Principal Investigator |
KATO Kazutoshi 九州大学, システム情報科学研究科(研究院, 教授 (10563827)
|
|---|
| Project Period (FY) |
2012-08-31 – 2014-03-31
|
| Keywords | 波長可変レーザ / 波長変換器 / フィードバック制御 / フィードフォワード制御 |
|---|
| Research Abstract |
Two key technologies are developed. One is a high-speed laser current drive circuit which has a very short rise-time of 5 ns. The other is a laser current control algorithm consisting of the feedback control with an appropriately deduced control parameter and the feedforward control, which realizes wavelength stability within +/- 1GHz. With these two technologies, the wavelength of the laser can be stabilized within 20 ns. Moreover, the wavelength converter made of the laser has a stable operation within 50 ns at a wavelength range between 1540 nm and 1560 nm.
|
