Excess noise reduction in fiber gyroscope using broader spectrum linewidth Er-doped superfluorescent fiber laser
- 1 March 1991
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 3 (3) , 281-283
- https://doi.org/10.1109/68.79781
Abstract
The minimum detectable rotation rate of a fiber gyroscope employing a rare-earth-doped superfluorescent laser (SFL) is theoretically proportional to the inverse square root of the spectrum linewidth Delta lambda of the employed SFL due to its excess noise. The short-term resolution of a fiber gyroscope using an Er-doped SFL with Al codoping that has a larger Delta lambda value than that without Al, is examined. The experimental results agree well with the theoretical prediction. The ER-doped SFL with Al can successfully improve the resolution as compared with that without Al.Keywords
This publication has 9 references indexed in Scilit:
- Excess noise in fiber gyroscope sourcesIEEE Photonics Technology Letters, 1990
- Er-doped superfluorescent fiber laser pumped by 1.48 mu m laser diodeIEEE Photonics Technology Letters, 1990
- Spectral characteristics of high-power 1.5 mu m broad-band superluminescent fiber sourcesIEEE Photonics Technology Letters, 1990
- Noise characteristics of high-power doped-fibre superluminescent sourcesElectronics Letters, 1990
- Fiber Superfluorescent Sources for Fiber Gyro ApplicationsPublished by Springer Nature ,1989
- Erbium-Doped Fibre Superfluorescent Source for the Fibre GyroscopeSpringer Proceedings in Physics, 1989
- 10 mW superfluorescent single-mode fibre source at 1060 nmElectronics Letters, 1987
- Quantum noise in superluminescent diodesIEEE Journal of Quantum Electronics, 1986
- An overview of fiber-optic gyroscopesJournal of Lightwave Technology, 1984