Source: PIB
Subject: Science and Technology
Context: India launched its first indigenous high-precision diode laser engineered for quantum communication and computing. It marks a major step in India’s capability to build quantum-grade hardware.
About India Unveils First Indigenous High-Precision Diode Laser:
What it is?
- A compact, high-precision diode laser system engineered for quantum technologies, scientific research, higher-education laboratories, and cutting-edge industrial applications.
- It provides ultra-stable, tunable and long-duration laser output required for quantum experiments and secure communication systems.
Developed by: Prenishq Pvt. Ltd., a deep-tech startup and spin-off from IIT Delhi
- Supported by the National Quantum Mission (NQM)
Aim:
- To create an indigenous quantum-grade diode laser for secure communication, quantum computing, and high-precision scientific research.
- To strengthen India’s quantum ecosystem and enable quantum-safe digital infrastructure.
Key Features:
- Ultra-Narrow Linewidth & High Beam Quality: Ensures sharp, stable beams ideal for high-resolution quantum sensing and communication tasks.
- Long-Term Frequency & Power Stability: Maintains precise performance over long durations, reducing recalibration needs in labs and field setups.
- Wide Wavelength Range (UV to Near-IR): Supports multiple quantum systems and scientific instruments requiring different operational wavelengths.
- Rugged & Temperature-Controlled: Designed to operate reliably in Indian climatic conditions, ensuring stable quantum output.
- Compact, Lightweight & Low-Power: Portable, energy-efficient architecture makes deployment easy in both labs and mobile platforms.
- Plug-and-Play Integration: Simple setup with minimal configuration enables fast adoption by researchers and educational institutions.
- Free-Space & Fiber-Coupled Output: Flexible delivery options allow use in both optical table experiments and long-distance communication links.
Applications:
- Quantum Communication:
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- QKD Backbone: Provides stable, coherent light required for generating quantum keys used in ultra-secure communication.
- Quantum-Safe Transactions: Enables banks, defence and telecom systems to protect data against attacks from future quantum computers.
- Photonic Quantum Computing:
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- Photon Qubit Control: Generates precise laser pulses to encode, manipulate, and read photonic qubits in quantum processors.
- Error-Resilient Operations: Low noise and stable frequency improve gate fidelity, reducing errors in optical quantum computation.
- Scientific & Industrial Research:
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- Precision Spectroscopy: Offers narrow, stable beams for analysing atomic and molecular structures at extremely high resolution.
- Atomic Clocks & Metrology: Supports next-gen optical clocks and ultra-precise timekeeping, improving navigation and communication systems.
