(19)
(11) EP 4 256 711 A1

(12)

(43) Date of publication:
11.10.2023 Bulletin 2023/41

(21) Application number: 21835492.6

(22) Date of filing: 01.12.2021
(51) International Patent Classification (IPC): 
H03M 9/00(2006.01)
H04J 3/06(2006.01)
 G06F 1/10(2006.01)
(52) Cooperative Patent Classification (CPC):
H04J 3/0685; H03M 9/00; G06F 1/10; H04L 7/033
(86) International application number:
PCT/US2021/061383
(87) International publication number:
WO 2022/119909 (09.06.2022 Gazette 2022/23)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 01.12.2020 US 202017108152
02.12.2020 US 202017109765

(71) Applicant: Ciena Corporation
Hanover, MD 21076 (US)

(72) Inventors:
  • PARVIZI, Mahdi
    Kanata, Ontario K2W 0B9 (CA)
  • GRESHISHCHEV, Yuriy
    Ottawa, Ontario K2K 3N3 (CA)
  • BEN-HAMIDA, Naim
    Nepean, Ontario K2H 7M5 (CA)
  • MCPHERSON, Douglas Stuart
    Ottawa, Ontario K1Y 1A9 (CA)
  • AOUINI, Sadok
    Gatineau, Québec J9J 2P7 (CA)

(74) Representative: Dehns 
St. Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) APPARATUS AND METHODS FOR LOW POWER CLOCK GENERATION IN MULTI-CHANNEL HIGH SPEED DEVICES