Heat Assisted Magnetic Storage (HAMR) - integrated lasers and plasmonicsfor ultra-high density data storage.pdf

1、Heat Assisted Magnetic Storage(HAMR)-integrated lasers and plasmonicsfor ultra-high density data storageTechnology Case StudyPresenter:Dr Richard Pitwon,SeagateTechnology Case StudySpecial Focus:OpticsOPTICS3OverviewOptical interconnect and integration in hyperscale data centres The need for ultra-h

2、igh capacity data storage Hard disk drive read and write principles Areal density trilemma Heat Assisted Magnetic Recording(HAMR)HAMR head architecture Materials and reliability challenges in HAMR headsSection Title 2Subtitle4Optical interconnect in hyperscale environments5Hyperscale is now the domi

3、nant type of data centreOptical interconnect intrinsic to hyperscale data centres6Seagate UK made substantial advances over the past 8 years in:Optically integrated data centre systems(storage switch systems)Subsystems(disk drives)Advances in hyperscale optical interconnect7Object oriented Ethernet

4、controller with interchangeable optical mezzanine cardsPegasus(NephDem06.01)Optically disaggregated object oriented platformSystem level optical interconnect advances8Pegasus(NephDem06.01)Optically disaggregated object oriented platformObject oriented Ethernet controller with interchangeable optical

5、 mezzanine cardsSystem level optical interconnect advances9Pegasus(NephDem06.01)Optically disaggregated object oriented platformSystem level optical interconnect advances10Pegasus(NephDem06.01)Optically disaggregated object oriented platformSystem level optical interconnect advancesStandard Kinetic

6、drive receptacleTo connect to Kinetic driveBoard-to-board power connectorMurata FOT2+2 optical engineFireLight connector64 channel optical array interface2 channels illuminated11Pegasus(NephDem06.01)Optically disaggregated object oriented platformSystem level optical interconnect advances12Aurora(Ph