The Fundamentals of Silicon Photonics Design and Simulation
Speaker: Majid
Affiliation: Technical Manager in Photonics at Ozen Engineering, Inc.
Introduction
Welcome, ladies and gentlemen. Good morning, good afternoon. My name is Majid, and today I will be discussing The Fundamentals of Silicon Photonics Design and Simulation. Currently, I work at Ozen Engineering, Inc. as a technical manager specializing in photonics. My main research focus is on silicon photonics, where I have utilized slow light to create compact silicon components for silicon photonic chips.
About Ozen Engineering, Inc.
- Headquarters: Sunnyvale
- Expertise in simulation of optics and photonics, structural thermofluid, and electromagnetic fields
- ANSYS Elite Channel Partner
- Provides consulting, training, mentorship, and technical support for creating compact silicon photonic chips
Outline of the Talk
- Introduction to Silicon Photonics
- Discussion on Passive and Active Silicon Photonics
- Modeling and Simulation of Silicon Components
Why Silicon Photonics?
Silicon photonics utilizes light, specifically photons, instead of electricity. This field began in the early 1990s. Silicon is advantageous because:
- Many fabs create CMOS for electronic circuits, which can also be used for silicon photonics.
- Low cost and scalable to high volumes.
- Silicon's refractive index (~3.58) allows excellent optical confinement with low loss.
However, silicon has limitations:
- Indirect band gap makes it difficult to create lasers and modulators.
- Central symmetry and zero chi² value prevent second harmonic generation.
- Reciprocal nature makes it unsuitable for isolators and circulators.
Combining Materials for Enhanced Functionality
The idea in silicon photonics is to leverage the benefits of silicon and other materials to create modulators, lasers, and isolators. For example:
- Passive components: Silicon, Silicon Nitride
- Nonlinear components: AlGaAs, Lithium Niobate
- Active components: Silicon Germanium, Gallium Nitride, Indium Phosphide
Applications and Market Growth
Silicon photonics is integrated with various platforms such as Indium Phosphide, Silicon Nitride, Glass, and Polymer. Companies like Honeywell and Intel are using these technologies for different applications.
Applications include:
- Data communications
- LIDAR
- 5G networks
- Medical devices
- Consumer electronics
By 2025, the silicon photonics market is projected to reach approximately $3.9 billion, with significant advancements in data and telecom sectors.
Conclusion
The integration of photonic and electronic circuits, as demonstrated by collaborations between companies like Intel and Rockley Photonics, showcases the potential and compatibility of silicon photonics in various fields.
Title: Introduction to Silicon Photonics (Part 1) Hi, ladies and gentlemen. Good morning, good afternoon. I am Majid, and the title of my talk today is The Fundamentals of Silicon Photonics Design and Simulation. This is my Google Scholar profile.
I currently work in ozone engineering as a technical manager in photonics. My main research focus is on silicon photonics. I used slow light to create a compact silicon component that can be used in silicon photonic chips.
Ozen is in Sunnyvale, and as you can see, we have different branches, as shown in the map. At ozone, we are experts in the simulation of optics and photonics, structural thermofluid, and electromagnetic field.
We are an ANSYS Elite Channel Partner, providing consulting, training, mentorship, and help to create compact silicon photonic chips. We are also experts in the field of silicon photonic chips and provide technical support to customers.
The outline of my talk is as follows: 1. Introduction to silicon photonics 2. Passive and active silicon photonics 3. Modeling and simulating silicon components 4. Advantages of silicon photonics 5. Challenges of silicon photonics 6. Heterogeneous integration on silicon 7. Applications of silicon photonics 8. Silicon photonics roadmap 9. Co-packaging optics with electronics Silicon photonics uses light, or photons, instead of electricity.
It started in the early 1990s, and silicon is a good choice because many FABs create CMOS FABs for electronic circuits. We can use the same FAB for silicon photonics, making it low cost and scalable for high volume.
The refractive index of silicon is around 3.58, which means it can confine light through the silicon waveguide with low loss, providing excellent optical confinement. However, silicon has indirect bandgap, making it hard to create active devices such as lasers or modulators.
Silicon is centrosymmetric, and its chi-to value is zero, which means it cannot be used for second harmonic generation or isolator and circulator components. These components can be used for reconfigurable photonic chips.
The idea of silicon photonics is to use all the benefits of silicon and other materials to create modulators, lasers, isolators, circulators, and nonlinear devices.
We can achieve this through heterogeneous integration on silicon, combining different materials such as silicon nitride, aluminum gallium arsenide, silicon germanium, and indium phosphide.
Silicon photonics can be integrated with various platforms, such as indium phosphide, silicon nitride, glass, polymer, and other materials. Companies like Honeywell, Aim Photonics, and Intel use silicon nitride, silicon germanium modulators, and integrated lasers for different applications.
Silicon can be a good candidate for integration with electronics, allowing the creation of photonic integrated circuits with various components like waveguides, modulators, detectors, marks, D-marks on a single chip. For the light source, we can use a 3-5 material.
Using current FABs reduces the cost for high value. Silicon photonics has various applications in data com, LIDAR, 5G, and other fields.
According to a report, the silicon photonics market will reach around $3.9 billion by 2025. In data and telecom, we expect around 50 terabit per second for automotive and optical phase array LIDAR for medical applications.
Co-packaging optics with electronics is an essential aspect of silicon photonics. Combining photonics circuits and electronic circuits provides better compatibility within photonics. Thank you for your attention. I am happy to answer any questions you may have.
