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Conferences > CLEO_SI > 2013 > CTu1L > CTu1L.2

Integrated Linewidth Reduction of a Tunable SG-DBR Laser

Abirami Sivananthan, Hyun-chul Park, Mingzhi Lu, John S. Parker, Eli Bloch, Leif A. Johansson, Mark J. Rodwell, and Larry A. Coldren

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Abstract

We demonstrate frequency noise suppression of a widely tunable sampled-grating DBR laser using negative feedback from a Mach-Zehnder frequency discriminator integrated on the same InGaAsP/InP chip. The 3-dB laser linewidth is narrowed from 19 MHz to 570 kHz.

© 2013 Optical Society of America

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