The Photonetics Osics DFB-1542.14-P13 is a Distributed Feedback laser diode module engineered for single-frequency optical output at 1542.14 nm. Built around a diffraction grating integrated into the active waveguide, this module delivers narrow linewidth and high wavelength stability essential for telecommunications, fiber sensing, and spectroscopic applications. The laser operates in single longitudinal mode with mode-hop-free performance and high side mode suppression ratio, ensuring stable, predictable output across demanding optical systems.
Technical Specifications
• Laser Type: Distributed Feedback (DFB) Laser Diode Module
• Wavelength: 1542.14 nm
• Operation Mode: Single Longitudinal Mode, Mode-Hop-Free
• Side Mode Suppression Ratio (SMSR): High
• Package: 14-pin butterfly configuration
– Key Features
• Integrated thermoelectric cooler (TEC) for precise temperature control
• Monitor photodiode (PD) for real-time optical output monitoring
• Integrated optical isolator protecting against back reflections
• Single-mode fiber (SMF) pigtail with FC/APC connector
• Direct intensity modulation via drive current variation
– Typical Applications
• High-capacity, long-distance optical communication systems
• Fiber-optic sensing and distributed sensing networks
• Gas sensing via Tunable Diode Laser Absorption Spectroscopy (TDLAS) with precise wavelength matching to absorption lines
• Laboratory research and optical testing requiring stable, single-frequency sources
– Compatibility & Integration
The module integrates thermal management and optical feedback monitoring within a compact butterfly package, enabling straightforward integration into optical benches and telecommunication platforms. FC/APC connector and SMF pigtail configuration support standard optical network installations.

















