PON:

GPON, EPON and 10Gbps PON: status, technologies and deployments. 

2012 editorial calendar:

February: 

Next-gen PON: How much closer is WDM-PON to being standardised? What about coherent PON? Is there a role for WDM-PON or are advances in GPON and EPON (40G PON) pushing out the need for the technology? 

April:

Optical interconnect: From short reach (<100m) to embedded optics

June:

Beyond 100 Gigabit: System vendors are now concentrating on what comes after 100Gbps. A look at what is being considered.

August:

Cloud Computing: Its impact on the data centre and the network.

September: 

Optical transceivers: A survey of the latest developments (to coincide with ECOC 2012).

December:

Multi-layer transport: network optimisation strategies from optical to the IP layer.