Free Space Optics Network

A free space optical (FSO) network node configured to receive and/or transmit a first FSO signal comprising a plurality of wavelengths, the FSO network node comprising:

• an optical element configured to receive the first FSO signal from within a defined angular range;
• a first optical device configured to select a first subset of wavelengths from the plurality of wavelengths of the first FSO signal;
• and
• a first optical module configured to receive the first subset of wavelengths from the first optical device.

A method performed by a free space optic (FSO) network node, the FSO network node having an optical element, a first optical device and a first optical module, the method comprising:

• receiving a first FSO signal comprising a plurality of wavelengths;
• directing, using the optical element, the first FSO signal towards the first optical device;
• selecting, using the first optical device, a first subset of wavelengths from the plurality of wavelengths of the first FSO signal;
• and
• receiving the first subset of wavelengths at the first optical module.