(19)
(11) EP 1 488 482 A2

(12)

(88) Date of publication A3:
19.08.2004

(43) Date of publication:
22.12.2004 Bulletin 2004/52

(21) Application number: 03713958.1

(22) Date of filing: 07.03.2003
(51) International Patent Classification (IPC)7H01S 3/00
(86) International application number:
PCT/US2003/006971
(87) International publication number:
WO 2003/077381 (18.09.2003 Gazette 2003/38)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 08.03.2002 US 95303
05.06.2002 US 163557
12.07.2002 US 194680
21.01.2003 US 348802

(71) Applicant: LIGHTWAVE ELECTRONICS
Mountain ViewCA 94043 (US)

(72) Inventors:
  • ARBORE, Mark, A.
    Los Altos, CA 94022 (US)
  • KEATON, Gregory, L.
    San Francisco, CA 94114 (US)
  • KANE, Thomas, J.
    Menlo Park, CA 94025 (US)
  • ZHOU, Yidong
    Mountain View, CA 94043 (US)
  • KMETEC, Jeffrey, D.
    Palo Alto, CA 94301 (US)

(74) Representative: Bloch, Robert et al
2, square de l'Avenue du Bois
75116 Paris
75116 Paris (FR)

   


(54) AMPLIFIERS AND LIGHT SOURCES EMPLOYING S-BAND ERBIUM-DOPED FIBER AND L-BAND THULIUM-DOPED FIBER WITH DISTRIBUTED SUPPRESSION OF AMPLIFIED SPONTANEOUS EMISSION (ASE)