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http://dx.doi.org/10.3807/JOSK.2004.8.1.013

Design and Analysis of a Widely Tunable Sampled Grating DFB Laser Diode with High Output Power  

Kim, Soo-Hyun (Department of Electronics and Communications Engineering, Kwangwoon University)
Chung, Young-Chul (Department of Electronics and Communications Engineering, Kwangwoon University)
Publication Information
Journal of the Optical Society of Korea / v.8, no.1, 2004 , pp. 13-16 More about this Journal
Abstract
A widely tunable SG-DFB (Sampled Grating Distributed Feedback) laser diode is proposed and its feasibility is confirmed through simulation. The new SG-DFB laser diode is composed of a pair of sampled gratings, some parts of which are gain sections and the other parts of which are phase control sections. It is shown that a few tens of nanometers can be tuned through the adjustment of two currents into the phase control sections. Higher output power is expected compared with a SG-DBR laser diode with similar parameters. The dynamic single mode operation is also observed in the time-domain simulation.
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