Photonic Band Gap Crystals

First of all, let us figure out what a Photonic band-gap crystal is. Have you ever had a friend that was around the same weight and height as you, but no matter how hard you try, you could not outrun him/her? Well, this is the same dilemma that faces the electron and the PBG crystals. The electron is currently what a computer uses to transfer information. The PBG crystals are a new form of technology that can allow information to travel by light. In both cases, photons are used to transfer the actual data.

The reason the PBG crystal is so effective in sending the photon depends on a few different elements. The most important element is the elimination of many items used in transferring information via an electron. The electrons need a solution material in order to transfer from place to plac

e. The most common solution is silicon. Silicon is used in every electronic device and acts as a conductor. By using silicon, the electrons are slowed down over time while transferring their data. Mind you, this is a very small amount of time that we are talking about (nanoseconds), but every little bit helps, especially when working on such a small level. If only we could develop a way for the information to slice through the silicon faster, then we could increase our data transfer speeds. That is what the PBG crystals can accomplish. By transferring the crystals through light and eliminating the current semiconductors, the technology that we have been using prominently today, the information is able to pass through the silicon at a much faster rate. “…the photon forms a bound state to the atom, so that lasing can occur with zero pumping threshold, without mirrors and without a cavity mode since each atom creates its own localized photon mode” (Johnson). Johnson states another item that the PBG crystal is able to eliminate. The PBG crystal is able to eliminate the photon and the electron running side by side. When the information is transferred, the electron moves through the silicon with a photon sticking close by. The photon is needed because it is the particle that is actually carrying the information, whereas the electron is giving the photon the ability to actually

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