A 1.55-μm semiconductor-optical fiber ring laser
- 20 January 1986
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 48 (3) , 204-206
- https://doi.org/10.1063/1.97023
Abstract
We demonstrate the first semiconductor-optical fiber ring laser. The laser uses an InGaAsP traveling wave optical amplifier as the gain medium and a 1-m length of highly birefringent fiber as the feedback loop. Output coupling is provided by a fiber directional coupler. The highly birefringent fiber is used as an intracavity wavelength filter, enabling single-frequency oscillation with a narrow linewidth at a wavelength near 1.55 μm.Keywords
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