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Single frequency erbium doped fiber laser with a highly doped erbium-doped fiber

A. LOKMAN1, A. HAMZAH1, N. A. D. HURI1, H. AROF1, F. AHMAD2, H. AHMAD3, S. W. HARUN1,3,*

Affiliation

  1. Department of Electrical Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia
  2. UTMSPACE, Universiti Teknologi Malaysia, Jalan Semarak 54100 Kuala Lumpur, Malaysia
  3. Photonics Research Center, University of Malaya, 50603 Kuala Lumpur, Malaysia

Abstract

A single frequency Erbium-doped fiber laser (EDFL) operating at 1552.5 nm has been demonstrated by using a 2 m long of newly developed Zirconia-based Erbium-doped fiber (Zr-EDF) as a gain medium. The Zr-EDF is fabricated by combining Zr and Al to achieve the maximum Erbium ion concentration of 4320 ppm wt. By using a fiber Bragg grating (FBG) in a ring configuration, a laser which operates at 1552.5 nm with signal to noise ratio of 60 dB is generated. The linewidth of the EDFL is measured to be approximately 95 MHz using a heterodyne technique..

Keywords

Zr-EDF, Erbium-doped fiber laser, Narrow linewidth laser.

Citation

A. LOKMAN, A. HAMZAH, N. A. D. HURI, H. AROF, F. AHMAD, H. AHMAD, S. W. HARUN, Single frequency erbium doped fiber laser with a highly doped erbium-doped fiber, Optoelectronics and Advanced Materials - Rapid Communications, 4, 11, November 2010, pp.1643-1646 (2010).

Submitted at: Oct. 20, 2010

Accepted at: Nov. 10, 2010