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Monolithically integrated grating cavity tunable lasers

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6 Author(s)
Oh Kee Kwon ; Opt. Devices Dept., Electron. & Telecommun. Res. Inst., Daejeon, South Korea ; Kim, Jong Hoi ; Kang Ho Kim ; Eun Deok Sim
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A novel grating cavity tunable laser is proposed and experimentally demonstrated. It is realized by monolithically integrating a semiconductor optical amplifier, a dispersive element, a phase-control section, and an etched diffraction grating in a single chip. Tuning operation is based on electrically controlled beam deflection provided by dispersive element and phase matching by phase-control section. With the electrical control, the wavelength tuning of 8.5 nm with a sidemode suppression ratio of about 35 dB has been successfully achieved.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 9 )