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		题名	作者	年代	出处	被引量
	1	Random lasing in an Anderson localizing optical fiber显示文摘A directional random laser mediated by transverse Anderson localization in a disordered glass optical fiber is reported.Previous demonstrations of random lasers have found limited applications because of their multi-directionality and chaotic fluctuations in the laser emission.The random laser presented in this paper operates in the Anderson localization regime.The disorder induced localized states form isolated local channels that make the output laser beam highly directional and stabilize its spectrum.The strong transverse disorder and longitudinal invariance result in isolated lasing modes with negligible interaction with their surroundings,traveling back and forth in a Fabry–Perot cavity formed by the air–fiber interfaces.It is shown that if a localized input pump is scanned across the disordered fiber input facet,the output laser signal follows the transverse position of the pump.Moreover,a uniformly distributed pump across the input facet of the disordered fiber generates a laser signal with very low spatial coherence that can be of practical importance in many optical platforms including image transport with fiber bundles.	Behnam Abaie Esmaeil Mobini Salman Karbasi Thomas Hawkins John Ballato Arash Mafi	2017	Light(Science & Applications)2017，6，1：	1
	2	Characterization of Yb-doped ZBLAN fiber as a platform for radiation-balanced lasers显示文摘Recent advances in power scaling of fiber lasers are hindered by the thermal issues,which deteriorate the beam quality.Anti-Stokes fluorescence cooling has been suggested as a viable method to balance the heat generated by the quantum defect and background absorption.Such radiation-balanced configurations rely on the availability of cooling-grade rare-earth-doped gain materials.Herein,we perform a series of tests on an ytterbium-doped ZrF4–BaF2–LaF3–AlF3–Na F(ZBLAN)optical fiber to extract its laser-cooling-related parameters and show that it is a viable laser-cooling medium for radiation balancing.In particular,a detailed laser-induced modulation spectrum test is performed to highlight the transition of this fiber to the cooling regime as a function of the pump laser wavelength.Numerical simulations support the feasibility of a radiation-balanced laser,but they highlight that practical radiation-balanced designs are more demanding on the fiber material properties,especially on the background absorption,than solid-state laser-cooling experiments.	MOSTAFA PEYSOKHAN ESMAEIL MOBINI ARMAN ALLAHVERDI BEHNAM ABAIE ARASH MAFI	2020	Photonics Research2020，8，2：	0

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