Silicon photonics
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Silicon photonics is an evolving technology in which data is transferred among computer chips by optical rays. Optical rays can carry far more data in less time than electrical conductors. This presentation gives emphasis on the basics of silicon photonics
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Silicon photonics
- 1. SILICON PHOTONICS SUBMITTED TO:- MISS VANITA YADAV SUBMITTED BY:- NIHARIKA(CSE)
- 2. DATA TRANSFER MODE Electrons (ELECTRONIC) eg- copper wires Photons(PHOTONIC) eg- Optical fibres
- 3. PHOTONS OVER ELECTRONS electron photon • Photons unlike electrons have zero mass • Two photons coexist together. • Electrons unlike photons are physical ,hence more the circuit is complex, the more power It requires.
- 4. ELECTRONIC CIRCUIT A simple circuit layout. What if the circuit is more complex? MORE POWER CONSUMPTION!!! DATA LOSS!! INCREASED TIME!!
- 5. So, why not use photons as data transfer mode instead of electrons? PROBLEM WITH SILICON:- • Silicon emits heat instead of photons. • Integration of laser source in wafer. SOLUTION:- InP lasers are used as light source with silicon wafer.
- 6. WHY SILICON? Silicon shows the property of total internal reflection. Hence silicon covered with Silicon dioxide traps light perfectly.
- 7. SILICON PHOTONICS? Silicon photonics is an evolving technology in which data is transferred among computer chips by optical rays. Optical rays can carry far more data in less time than electrical conductors. These devices can be built using commercial CMOS chip fabrication facilities.
- 8. Generally a silicon integrated nanophotonics is capable of integrating a photodetector and modulator fabricated side by side with silicon transistors. Silicon nanophotonic circuits are interconnected with nine levels of yellow metal wires.
- 12. ADVANTAGE OF SILICON PHOTONICS High data transfer = high cost = high power consumption =very complex circuitry Photonics +Electronics can together enable solutions that can achieve higher degree of data transfer with low cost.