Title

Lasing In Thulium-Doped Polarizing Photonic Crystal Fiber

Abstract

We describe lasing of a thulium-doped polarizing photonic crystal fiber. A 4m long fiber with 50 μm diameter core, 250 μm diameter cladding, and d/A ratio of 0.18 was pumped with a 793nm diode and produced a polarized output with a polarization extinction ratio (PER) of 15 dB and an M2 of < 1:15. An intracavity polarizer and half-wave plate minimally increased the PER to 16 dB. The output power had 35% slope efficiency relative to the absorbed pump power. The maximum cw output power was limited to 4W due to the quantum defect heating of the fiber. © 2011 Optical Society of America.

Publication Date

10-1-2011

Publication Title

Optics Letters

Volume

36

Issue

19

Number of Pages

3873-3875

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.36.003873

Socpus ID

80053595677 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/80053595677

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