Ando AQ8201-110 WDM DFB Laser Diode Module

The Ando AQ8201-110 is a WDM DFB laser diode module engineered for wavelength division multiplexing and distributed feedback applications in optical communication systems. It delivers a stable, spectrally pure laser source across the C- and L-bands, with wavelength accuracy of ±0.01 nm and tuning capability of ±0.8 nm. The module integrates with Ando AQ8201A, AQ8203, and AQ8204 mainframes as part of the AQ8200 Series optical test platform.

Technical Specifications

Optical Performance

• Wavelength range: 1524.110 nm to 1620.500 nm


• Wavelength accuracy: ±0.01 nm (typical)


• Wavelength setting resolution: 0.001 nm


• Tuning range: ±0.8 nm


• Spectral linewidth: 5 MHz (narrow) or 50 MHz (wide, typical)


• Output power: +10 dBm typical, up to +13.55 dBm measured


• Power stability (15 min): ±0.005 dB


• Side mode suppression ratio: 45 dB Electrical & Modulation


• Internal modulation (CHOP): 100 Hz to 300 kHz


• External modulation option: Sine waveform, 100 Hz to 300 kHz via SMA, 2 Vp-p (50 Ω) Physical Characteristics


• Output fiber: Singlemode (standard) or PM fiber (option)


• Output connector: FC/APC


• Laser classification: Class 1M and Class 1 per IEC 60825-1:2007; compliant with 21 CFR 1040.10 and 1040.11

Key Features

• Selectable spectral linewidth for precision frequency-stabilized or broad-spectrum applications


• Fine wavelength resolution (0.001 nm) enables precise DWDM channel selection


• Integrated and external modulation options for flexible signal control


• Supports both standard singlemode and polarization-maintaining fiber configurations

Typical Applications

• DWDM component characterization (multiplexers, demultiplexers, arrayed waveguides, EDFAs)


• Optical communication system testing


• WDM signal generation and channel validation

Compatibility & Integration Designed exclusively for installation in Ando AQ8201A, AQ8203, and AQ8204 mainframes within the AQ8200 Series optical measurement ecosystem.