Silicon is the most intensively studied element on the planet and
it is available as optically flat substrates (wafers) up to 300mm
The high thermal conductivity of silicon means that it is a relatively
straightforward task to efficiently heatsink high-power dissipating
components. In addition, silicon readily cleaves along atomic planes,
making it a simple matter to cleave the substrate up into individual
optical circuit 'chips'for subsequent packaging.
As the silicon substrate is being used as the growing surface for
optical components, it is also possible to fabricate electronic
components and circuits in the silicon as well, leading to a natural,
monolithic electro-optical technology.
At Mesophotonics, we use silicon substrates to support our photonic
crystal waveguiding circuits.
The optical waveguides themselves are fabricated using technology
found in any silicon foundry. This not only allows us to be 'fabless',
but also provides us with the route to a large number of potential
The ability to deposit a large suite of different optical materials
on silicon is well understood and thus allows the ability to select
the material system dependent on functionality. Striving to achieve
unique performance, we have also developed silicon-compatible, high
index optical material systems.
With in excess of forty years research and development, silicon
microfabrication technology is ideal for the production of Mesophotonics'
photonic crystal circuits and devices for the next generation of
micro-optical systems and subsystems.