Random Fiber Laser
Christiano J. S. de Matos (1), Leonardo de S. Menezes (2), Ant\^onio, M. Brito-Silva (3), M. A. Martinez G\'amez (4), Anderson S. L. Gomes (2), and, Cid B. de Ara\'ujo (2) ((1) Programa de P\'os-Grad. Eng. El\'etrica,, Universidade Presbiteriana Mackenzie, S\~ao Paulo, Brazil
TL;DR
This paper introduces the first random fiber laser using a photonic crystal fiber with TiO2 particles, demonstrating significantly higher efficiency compared to bulk systems, and explores how two-dimensional confinement affects lasing properties.
Contribution
It presents a novel quasi-one-dimensional random fiber laser system with enhanced efficiency and investigates the impact of two-dimensional confinement on its lasing characteristics.
Findings
Random fiber laser shows at least 100 times higher efficiency than bulk systems.
Two-dimensional confinement influences the lasing properties significantly.
First demonstration of a random fiber laser in a photonic crystal fiber geometry.
Abstract
We investigate the effects of two dimensional confinement on the lasing properties of a classical random laser system operating in the incoherent feedback (diffusive) regime. A suspension of 250nm rutile (TiO2) particles in a Rhodamine 6G solution was inserted into the hollow core of a photonic crystal fiber (PCF) generating the first random fiber laser and a novel quasi-one-dimensional RL geometry. Comparison with similar systems in bulk format shows that the random fiber laser presents an efficiency that is at least two orders of magnitude higher.
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