IEEE P802.3bm
40 Gb/s and 100 Gb/s Fiber Optic Task Force

Retimed 4-lane 100G PMA to PMA electrical interface for chip-chip (CAUI-4 Chip-Chip)
Slides 4 to 10 of latchman_02_0313_optx (with the insertion loss listed as To Be Confirmed)

40 Gb/s PHY for 40km SMF (40GBASE-ER4)
Slides 3 to 8 of anslow_01_0912_optx

Retimed 4-lane 100G PMA to PMA electrical interface for chip-module (CAUI-4 Chip-Module)
Slides 3 to 11 of latchman_02_1112_optx (with the modification of TBD for jitter, eye height and BER specifications)

100 Gb/s PHY for 100m MMF (100GBASE-SR4)
Slides 5 to 10 of king_02_0113_optx