(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