Photonic Chips for Next-Gen Computing

31 Mar 2025

Photonic Chips for Next-Gen Computing

The Government of India is supporting photonic chip research for next-gen computing. 

What Are Photonic Chips?

  • Photonic chips are advanced microchips that use light (photons) instead of electricity (electrons) to process, transmit, and store data. 
  • Unlike traditional electronic chips, which rely on transistors and electrical circuits, photonic chips utilize optical components such as:
    • Waveguides – To direct and control light signals.
    • Lasers – To generate the light used for data transmission.
    • Modulators – To encode data onto light waves.

Why Are Photonic Chips Important?

  • Photonic chips offer several advantages over electronic chips, making them a key technology for next-generation computing:
    • Ultra-High Speed & Bandwidth – Light can carry data much faster than electrical signals.
    • Energy Efficiency – They consume less power and generate minimal heat.
    • Electromagnetic Interference Immunity – They are not affected by external electrical or magnetic disturbances.
    • Dense Parallelism Multiple data streams can be transmitted simultaneously using different wavelengths of light.

Applications of Photonic Chips

  • Due to their superior performance, photonic chips are ideal for:
    • 6G Networks – Enabling ultra-fast wireless communication.
    • Artificial Intelligence (AI) – Accelerating deep learning and neural network processing.
    • Quantum Computing – Enhancing quantum data processing and communication.
    • Data Centers – Reducing power consumption and improving efficiency.
    • Optical Interconnects – Boosting high-speed data transmission between processors.
    • Neural Network Acceleration – Speeding up AI-driven tasks and computations.
    • Quantum Communication – Enabling secure and efficient quantum-based messaging.
  • As research advances, photonic chips are expected to revolutionize computing, making systems faster, more efficient, and better suited for future technological demands.

Next-Gen Computing

  • Next-Generation Computing (Next-Gen Computing) refers to advanced computational technologies that surpass traditional computing methods in speed, efficiency, and problem-solving capabilities. 
  • It integrates cutting-edge innovations like Quantum Computing, AI-driven Processing, Neuromorphic Computing, and Edge Computing to tackle complex challenges in science, business, and everyday life.

Key Technologies in Next-Gen Computing: 

  • Quantum Computing: Uses qubits instead of traditional bits, enabling parallel processing and solving complex problems exponentially faster.
  • Artificial Intelligence & Machine Learning: AI-driven computing enhances automation, decision-making, and predictive analysis.
  • Neuromorphic Computing: Mimics the human brain’s neural networks using specialized hardware (e.g., IBM’s TrueNorth).
  • Edge Computing: Processes data closer to the source (IoT devices) for real-time processing and reduced latency.
  • Cloud Computing: Provides scalable resources via platforms like AWS, Azure, and Google Cloud.

Electronic Chips vs Photonic Chips
Feature Electronic Chips Photonic Chips
Signal Type Electrons (Electricity) Photons (Light)
Speed High Ultra-High
Bandwidth Limited Very high
Heat Generation High Low
Energy Efficiency Moderate High
EM Interference Can be affected Immune
Best Use Cases General computing & Embedded systems AI, 6G, Quantum computing, Data centers

Government initiatives for Photonic Chips:

  • The Ministry of Electronics and IT is supporting research in Photonic Integrated Circuits (PICs).
    • This research focuses on various material platforms, including Silicon, Lithium Niobate, Diamond, Polymer or Composite Materials.
    • Additionally, MeitY is working on packaging technology for photonic chips to enhance their efficiency and scalability.
  • The Department of Science and Technology (DST) is implementing the National Quantum Mission. 
    • Under the Mission, one Thematic Hub has been set up on Quantum Computing at IISC Bengaluru. 
    • One of the objectives of the T-Hub is the development of photonic qubits and photonic quantum processors, driving research in photonic chip technology to support next-generation computing infrastructure.
  • The Indian Computer Emergency Response Team (CERT-In) issues alerts and advisories regarding latest cyber threats/vulnerabilities to protect computers, networks and data on an ongoing basis.

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