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.
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