Related Experiment Video
Updated: May 18, 2026
Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
Published on: April 24, 2014
10-Gb/s direct modulation of polymer-based tunable external cavity lasers
Byung-Seok Choi1, Su Hwan Oh, Ki Soo Kim
1Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro Yuseong-gu, Daejeon 305-701, South Korea.
Abstract:
We demonstrate a directly-modulated 10-Gb/s tunable external cavity laser (ECL) fabricated by using a polymer Bragg reflector and a high-speed superluminescent diode (SLD). The tuning range and output power of this ECL are measured to be >11 nm and 2.6 mW (@ 100 mA), respectively. We directly modulate this laser at 10 Gb/s and transmit the modulated signal over 20 km of standard single-mode fiber. The power penalty is measured to be <2.8 dB at the bit-error rate (BER) of 10(-10).
