LaserQuant brings the LXM Ultra Narrow Linewidth Laser Module from indie to customers across India, providing complete technical support, application consultation, product demonstrations, integration assistance, installation guidance, and after-sales support. The LXM is a compact, rugged, and highly stable narrow-linewidth laser engineered for demanding photonics, sensing, quantum technology, and optical communication applications. It offers linewidth performance down to 20 Hz typical in the Elite series, exceptional frequency stability, low phase noise, and wideband modulation capabilities.

Why Choose the LXM Narrow Linewidth Laser?

The LXM series combines a high-performance DFB laser, low-noise current driver, and precision temperature control in a compact, industrial-grade package. Designed for system integrators, researchers, defense laboratories, telecom innovators, and quantum technology developers, the LXM delivers reliable single-frequency operation and excellent long-term stability.

Key Features

• Ultra-narrow linewidth down to 20 Hz typical
• Outstanding frequency stability for long-term measurements
• Low phase noise for coherent sensing applications
• Compact and rugged architecture
• Wideband frequency modulation response
• Excellent vibration immunity
• High reliability and easy integration
• Available in 1515 nm and 1540–1550 nm wavelength ranges
• Suitable for laboratory, industrial, telecom and defense applications

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Applications of Ultra Narrow Linewidth Lasers

Quantum Key Distribution (QKD) Systems

The LXM laser is an ideal source for Quantum Key Distribution (QKD) and secure quantum communication networks. Its ultra-low linewidth and frequency stability help maintain coherence, improving key generation efficiency and transmission performance in advanced quantum communication architectures.

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Distributed Acoustic Sensing (DAS)

For Distributed Acoustic Sensing (DAS), Phase OTDR (φ-OTDR), Coherent OTDR (C-OTDR) and Optical Frequency Domain Reflectometry (OFDR) systems, the LXM delivers the narrow linewidth and phase stability required for high-resolution distributed fiber sensing over long distances.

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Brillouin-Based Distributed Sensing (BOTDR)

The LXM’s frequency stability and low phase noise make it a powerful laser source for Brillouin Optical Time Domain Reflectometry (BOTDR) applications used in structural health monitoring, pipeline monitoring, power transmission networks, and smart infrastructure systems.

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FMCW LiDAR and Autonomous Systems

The ultra-stable laser architecture provides excellent performance in Frequency Modulated Continuous Wave (FMCW) LiDAR, enabling high-precision distance and velocity measurements for autonomous vehicles, robotics, industrial automation, and smart transportation systems.

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Doppler LiDAR and Vibrometry

The LXM is suitable for Doppler LiDAR, vibration sensing, wind measurement, motion detection and industrial monitoring applications requiring long coherence lengths and exceptional frequency stability.

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Microwave Photonics and RF Photonics

The laser’s wideband modulation response and low frequency noise enable advanced RF-over-Fiber systems, microwave photonics research, phased-array antennas, radar signal distribution, and next-generation communication networks.

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Atomic Physics and Frequency Stabilization

The LXM is ideal for rubidium and cesium atomic frequency stabilization, spectroscopy, optical clocks, and quantum sensing applications requiring exceptional frequency control.

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Precision Metrology and Optical Instrumentation

Researchers and industrial users benefit from the LXM’s performance in:

• Optical metrology
• Frequency references
• Interferometry
• Precision measurement systems
• Scientific instrumentation
• Optical testing platforms

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Satellite Communications (SATCOM)

The LXM’s stability and robustness make it suitable for coherent optical communication, aerospace photonics, and advanced satellite communication systems.

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LaserQuant Support in India

LaserQuant provides:

• Product demonstrations in India
• Technical consultation and application discussions
• System integration guidance
• Photonics application support
• Pre-sales and post-sales assistance
• Support for research institutes, universities, startups, telecom, defense, and industrial customers
• Complete support for QKD, DAS, BOTDR, LiDAR, RF Photonics, Atomic Physics and Metrology projects