The Photonetics Osics DFB-1555.75-P13 is a Distributed Feedback (DFB) laser diode module engineered for high-precision DWDM optical communication systems and laboratory testing. Operating at 1555.75 nm, it delivers stable, spectrally pure laser output for demanding telecommunications infrastructure and system integration applications.
Technical Specifications
Optical Performance
• Center wavelength: 1555.75 nm
• Wavelength stability: ±0.005 nm (1 hour), ±0.005 nm (24 hours)
• Wavelength accuracy: ±0.03 nm
• Laser linewidth: typically less than 10 MHz
• Side Mode Suppression Ratio (SMSR): greater than 30 dB (typical 40–50 dB)
• Output power: +10 dBm to +13 dBm (coupled into polarization-maintaining fiber)
Electrical Characteristics
• Forward voltage: 1.7 V to 1.9 V (typical 2.5 V for comparable models)
• Operating current: typically around 500 mA (maximum 800 mA)
• Threshold current: typically around 45 mA
– Key Features
• Exceptional wavelength stability over short (1-hour) and extended (24-hour) intervals for precision DWDM channel definition
• Internal modulation capability: 1 Hz to 100 kHz (or up to 890 kHz depending on mainframe configuration)
• External modulation support extending to 1 GHz for analog modulation
• Analog modulation: up to 150 MHz
• SBS suppression available on select configurations to minimize Stimulated Brillouin Scattering effects
– Typical Applications
• Dense Wavelength Division Multiplexing (DWDM) systems
• Optical communication networks and test infrastructure
• Precision optical telecommunications systems
• Laboratory and field-based optical measurements
– Compatibility & Integration
The DFB-1555.75-P13 is designed for integration into optical test systems and network equipment requiring stable, single-frequency laser sources. Its polarization-maintaining fiber coupling and modulation capabilities support both analog and digital signal injection across commercial telecommunications frequencies.
