DPSK-DECO 10.709 Gbit/s

The DPSK-DECO 10.709 Gbit/s is a high-speed differential phase-shift keying optical decoder engineered for precise demodulation of modulated signals in advanced optical communication systems. Operating at 10.709 Gbps, it maintains exceptional signal fidelity across the C+L optical bands while delivering the stability and performance required for critical testing and research applications.

– Technical Specifications

Data Rate: 10.709 Gbit/s

Modulation Format: Differential Phase-Shift Keying (DPSK)

Optical Performance:
• Extinction Ratio: >18.3 dB
• Insertion Loss: ≤2.15 dB
• Insertion Loss Difference: ≤0.48 dB
• Polarization Dependent Loss: Low across operating range
• Free Spectrum Range Error: <0.102 GHz
• Temperature-Dependent Frequency Shift: ~0.02 GHz/°C (passive devices)
• Polarization-Dependent Phase Shift: <2 degrees over entire operating temperature range

Electrical:
• Operating Voltage: 0–5.0 V
• Power Consumption: <1.7 W
• Tuning Heater Resistance (tunable variants): 37±3 Ω

Physical:
• Packages: Type-M (30×30×10.5 mm) and Type-N (39×26×12 mm), excluding collimator sleeves
• Connector Options: FC/UPC, LC/UPC

– Key Features

• Athermal design ensures stable operation across varying temperatures
• C+L band coverage provides versatility across optical spectrum
• High power handling capability for demanding signal levels
• Chromatic dispersion tolerance demonstrated to 4000 ps/nm at 2 dB penalty for 10.7-Gb/s NRZ-DPSK
• Multiple configuration options: fully tunable, semi-tunable (colorless), or passive
• Dual-rate DPSK demodulator variants available

– Typical Applications

Optical signal demodulation in high-speed coherent and direct-detection systems; laboratory testing of phase-modulated optical signals; coherent optical communications validation; research in advanced modulation formats.

– Compatibility & Integration

Available in tunable and passive configurations to match system requirements. Multiple connector types and package options enable integration into diverse optical test benches and communication platforms.