Kir'yanov, Alexander and Dutta, Debjit and Das, Shyamal and Dhar, Anirban and Paul, Mukul Chandra (2019) Optical Properties of Chromium and Erbium Co-Doped Alumina-Germania-Calcia-Yttria-Silica Based Fiber. IEEE PHOTONICS JOURNAL, 11 (6). Art No-7105013.

PDF - Published Version Restricted to Registered users only Download (5Mb) | Request a copy

Abstract

We report the fabrication details and optical characterization of novel Erbium (Er) and Chromium (Cr) co-doped alumina-germania-calcia-yttria-silica fiber. Co-doping with Er and Cr is chosen as potentially promising for enhancing the fiber's fluorescent and amplifying potential in the near-infrared (NIR) region at `resonant' (viz. into Er band absorption maximum, @976 nm) and `non-resonant' (viz. off Er band while into Cr broad absorption band, @905/1064 nm) excitations. Our results reveal strong coupling, at both kinds of excitation, of Er- and Cr- subsystems in the fiber. This effect is justified by the presence of pronounced 1.5-1.6 mu m emission, characteristic to Er ions, at 905/1064 nm excitations and, at 976-nm excitation, by notable spectral broadening of the fiber's NIR fluorescence and gain, comprising the lines inherent to Er3+ (1.5-1.6 mu m) and Cr3+/Cr4+ (1.15-1.45 mu m), as compared to purely Er-doped silicate fiber, exemplified here by commercial `L20' (Er20-4/125) and `L40' (Er40-4/125) fibers.

Item Type:	Article
Subjects:	Processing Science
Divisions:	Fiber Optics and Photonics
Depositing User:	Bidhan Chaudhuri
Date Deposited:	10 Nov 2020 10:48
Last Modified:	10 Nov 2020 10:48
URI:	http://cgcri.csircentral.net/id/eprint/4732

Actions (login required)

View Item