Novel total-internal-reflection pump-signal coupler with >90% pump coupling efficiency from a broad-area diode laser into a double-clad fiber

Yushi Kaneda, Jie Zong, Oscar Romero, Ziping Deng, Bryson Case, Arturo Chavez-Pirson, Gary Paysnoe, Jim Whitwham, Patrick Moran, Pete Rohan, Zuolan Wang, Shibin Jiang, William Eaton, Martin Brutsch, Ping Li, Ike Song

Research output: Contribution to journalConference articlepeer-review

Abstract

A novel technique for coupling multi-mode pump light from a broad-area laser into a double-clad fiber (DCF) that enables efficient, robust and compact devices is presented. This configuration, called the total internal reflection (TIR) coupler, allows coupling into DCFs with small inner-clad diameters with higher pump brightness than presently obtainable. This paper demonstrates a coupling efficiency exceeding 90% with negligible effect on the single-mode signal.

Original languageEnglish (US)
Pages (from-to)798-799
Number of pages2
JournalConference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS
Volume2
StatePublished - Dec 9 2003
Externally publishedYes
Event2003 IEEE LEOS Annual Meeting Conference Proceedings - TUCSON, AZ, United States
Duration: Oct 26 2003Oct 30 2003

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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