DFB Lasers and Modules
Offering a broad range of DFB lasers in the C-band and L-band on 50 or 100 GHz channel spacing as well as at 1310 nm, 1064 nm, and other custom wavelengths. Power level options include 40–100 mW out of the fiber for high power 14-pin lasers and 10–18 mW options for high bandwidth 7-pin configurations.
Distributed feedback lasers (DFB lasers) simultaneously provide smooth, tunable control of wavelength and the extremely narrow spectral width required for precise fiber optic communication and spectroscopy applications. Integrated modules provide further narrowing of the spectral line in a compact OEM package that features a simple tuning interface.
We have developed a number of DFB laser designs to enhance performance for specific customer applications, and new DFB laser designs to increase efficiency, isolation, and accuracy continue to be developed:
- Integrated thermoelectric coolers (TECs) can reduce the overall current consumption or widen the range of allowable environmental temperatures.
- Precision thermistors provide more accurate feedback and control of the temperature at the most critical location, the semiconductor chip.
- Internal isolators protect the laser from noise perturbations and catastrophic damage from light returning from other components.
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