Ando AQ8201-11 WDM DFB Laser Diode Module

The Ando AQ8201-11 is a WDM DFB laser diode module that delivers a stable, precision light source for optical communication systems and test equipment. It has accurate wavelength control across the C-band with exceptional spectral purity and output power stability, making it ideal for DWDM component characterization and fiber optic system validation.

Technical Specifications

• Wavelength Range: 1524.11 nm to 1570.01 nm


• Center Wavelength Accuracy: ±0.15 nm


• Wavelength Tuning Range: ±0.8 nm


• Wavelength Stability: ±0.005 nm (15 min), ±0.01 nm (24 hr)


• Output Power: +10 dBm minimum; measured maximum +11.23 dBm


• Output Power Stability: ±0.005 dB (15 min), ±0.03 dB (24 hr)


• Spectral Width: 5 MHz or less (Coherence Control OFF); 50 MHz typical (Coherence Control ON)


• SMSR: 30 dB or greater


• RIN: −145 dB/Hz


• Optical Isolation: 55 dB or greater


• Optical Attenuation: 10 dB range in 0.01 dB steps


• Fiber Type: Single-mode 9/125 µm


• Optical Connector: FC/APC

Key Features

• Internal and external modulation support: 100 Hz to 300 kHz (sine or CHOP)


• External modulation input: SMA connector, 2 Vp-p at 50 Ω


• Narrow linewidth and high side-mode suppression for coherent and direct-detection applications


• Single-slot module design integrates into Ando AQ8200 Series mainframes


• GPIB communication support via compatible mainframes

Typical Applications

• WDM and DWDM system testing


• MUX/DEMUX, AWG, and EDFA component evaluation


• Fiber optic communication system characterization


• Optical signal generation for laboratory and production test

Compatibility & Integration The AQ8201-11 operates within Ando AQ8201A, AQ8203, and AQ8204 mainframes as part of the AQ8200 Series Optical Test and Measurement System ecosystem.