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1. (WO2001001529) A WIDE BAND OPTICAL AMPLIFIER

Pub. No.:    WO/2001/001529    International Application No.:    PCT/GB2000/002432
Publication Date: Fri Jan 05 00:59:59 CET 2001 International Filing Date: Sat Jun 24 01:59:59 CEST 2000
IPC: C03C 3/12
C03C 4/00
H01S 3/067
H01S 3/07
H01S 3/16
H01S 3/17
Applicants: UNIVERSITY OF LEEDS
SHEN, Shaoxiong
JHA, Animesh
NAFTALY, Mira
Inventors: SHEN, Shaoxiong
JHA, Animesh
NAFTALY, Mira
Title: A WIDE BAND OPTICAL AMPLIFIER
Abstract:
A wide band optical amplifier comprising first and second optical glass amplifying sections, the first optical glass amplifying section comprising (a) a TeO2 host glass; (b) an effective quantity of erbium dopant; (c) a network modifying metal oxide; and, (d) further ingredients wherein the amounts of (a), (b), (c) and (d) total 100 %, the second optical glass amplifying section comprising (e) a TeO2 host glass; (f) an effective quantity of thulium dopant; (g) a network modifying metal oxide; and, (h) further ingredients wherein the amounts of (e), (f), (g) and (h) total 100 %.