INTRODUCTION
Oki Semiconductor’s OL4201N dual in-line package service channel laser diode module features a cooled 1480-nm MQW laser diode coupled to a single-mode fiber. The OL4201N has a built-in thermoelectric cooler and is equipped with a monitor photodiode.

FEATURES
• 1480-nm MQW FP Laser
• Single-mode fiber
• Built-in thermoelectric cooler
• 1-mW fiber output power
• Includes photodiode for power monitoring
• 14-pin Dil package

APPLICATIONS
• WDM systems service channel
• Service Channel
• Cross connect systems
• Fiber-optic light source
• Telemetry systems
• Test instrumentation