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A wavelength locking scheme for semiconductor laser systems based on an interpolation algorithm

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2 Author(s)
Hanxing Shi ; Dept. of Electr. Eng., Southern Methodist Univ., Dallas, TX, USA ; L. S. Tamil

An interpolation algorithm technique to automatically lock the wavelength of semiconductor laser systems by balancing the temperature and bias current of the laser is demonstrated. The wavelength accuracy is +20 pm in the bias current range of 30-120 mA for typical distributed feedback lasers and electroabsorption modulated lasers. This method is software based and does not require any optical or electrical wavelength locking circuitry.

Published in:

IEEE Photonics Technology Letters  (Volume:16 ,  Issue: 7 )