(19)
(11)
EP 1 733 267 A1
(12)
(43)
Date of publication:
20.12.2006
Bulletin 2006/51
(21)
Application number:
05714593.0
(22)
Date of filing:
07.03.2005
(51)
International Patent Classification (IPC):
G02B
6/34
(2006.01)
G02B
5/18
(2006.01)
(86)
International application number:
PCT/CA2005/000352
(87)
International publication number:
WO 2005/091032
(
29.09.2005
Gazette 2005/39)
(84)
Designated Contracting States:
(30)
Priority:
24.03.2004
US 555686 P
24.08.2004
US 923987
(71)
Applicant:
Enablence, Inc.
Kanata ON K2K 3H4 (CA)
(72)
Inventors:
BIDNYK, Serge
Ottawa, Ontario K1G 5X7 (CA)
BALAKRISHNAN, Ashok
Ottawa, Ontario K2K 1W5 (CA)
PEARSON, Matt
Ashton, Ontario K0A 1B0 (CA)
(74)
Representative:
McKechnie, Neil Henry et al
Kennedys Patent Agency Limited 185 St Vincent Street
Glasgow G2 5QD
Glasgow G2 5QD (GB)
(54)
DOUBLE DIFFRACTION GRATING PLANAR LIGHTWAVE CIRCUIT