1310nm Laser Diodes

1310nm diode

Wavelengths of 1310 nanometers are integral to advanced telecommunications, medical imaging, environmental sensing, and scientific research, delivering stable, low-dispersion light suitable for both long- and short-range optical applications. With low chromatic dispersion and minimal water absorption, 1310 nm sources are pivotal in high-speed data transmission, precise imaging, and specialized optical sensing across various high-performance fields.

Applications of 1310 nm diodes

In telecommunications and datacom, 1310 nm lasers are core to fiber optic communication, particularly within the "O-band," supporting high-speed, low-dispersion data transfer across metropolitan networks, data centers, and passive optical networks. This wavelength also enables robust signal integrity for wavelength-division multiplexing (WDM) systems and optical modules in data traffic management. For light frequency measurement, 1310 nm sources serve as local oscillators and coherent continuous-wave (CW) sources, supporting applications in Frequency Modulation Continuous Wavelength (FMCW) for logistics, defense, and space-based communication. In medical and scientific imaging, 1310 nm lasers are essential for optical coherence tomography (OCT) in deep-tissue visualization, where low scattering enables high-resolution imaging in ophthalmology, cardiology, and dermatology. They also support microscopy systems for sample examination and square-wave modulation for targeted sample stimulation. Quantum communication relies on 1310 nm lasers in programmable signal generation kits for ps-pulsed lasers with GHz repetition rates, critical in Quantum Key Distribution and sensitive Raman amplification. For environmental and material sciences, 1310 nm lasers serve in spectroscopy and sensor systems, providing precise detection of greenhouse gases and other atmospheric compounds. They are used in programmable systems for thermal stimulation of integrated circuits in silicon photonics, allowing detailed testing and measurement of fiber Bragg grating components. Additionally, they enable reliable seeding and pumping in optical sensors and are key in the testing of waveguides and polymer optical waveguides for micro-transfer printing.

Types of Light Sources: Laser diodes at 1310 nm deliver narrow-linewidth, coherent light necessary for stable data communication, OCT, and high-resolution spectroscopy. Superluminescent diodes at 1310 nm, offering broad-spectrum, low-coherence output, are optimized for OCT and imaging systems where reduced speckle noise and enhanced penetration depth are crucial. Semiconductor optical amplifiers at this wavelength support efficient power scaling and high-speed modulation, crucial for demanding applications in data communication, Lidar, and quantum research.

Technical Advantages: 1310 nm devices are engineered for high stability, compact design, and configurability, with options like polarization-maintaining fibers, tunable wavelengths, and external cavity setups. Advanced temperature and current regulation ensures precise, stable output, making these devices ideal for use in FMCW Lidar, WDM systems, environmental monitoring, and on-chip tunable laser development. The low dispersion and minimal water absorption characteristics of 1310 nm sources make them indispensable in high-precision, performance-intensive applications across fields like defense, R&D, and space communication.