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High-frequency operation of 1.57-μm laterally coupled distributed feedback lasers with self-aligned Ohmic contacts and nickel surface gratings

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2 Author(s)
Schreiner, R. ; Infineon Technol., Munich, Germany ; Schweizer, H.

Laterally coupled distributed feedback lasers with self-aligned ohmic contacts show the advantage of a considerably simplified fabrication process. These lasers exhibit superior spectral properties with full benefit from the gain coupling mechanism. Side-mode suppression ratios up to 55- and 3-dB bandwidths beyond 15 GHz were obtained for these devices.

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:9 ,  Issue: 5 )