A compact external cavity wavelength tunable laser without an intracavity etalon

We propose a novel external cavity wavelength tunable laser (ECTL) configuration without an etalon inside the cavity. ECTL consists only of a semiconductor optical amplifier with an integrated phase section, and a liquid crystal tunable mirror. We successfully demonstrated excellent performances of...

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Bibliographic Details
Published in:IEEE photonics technology letters 2006-05, Vol.18 (10), p.1191-1193, Article 1191-1193
Main Authors: Sato, K., De Merlier, J., Mizutani, K., Sudo, S., Watanabe, S., Tsuruoka, K., Naniwae, K., Kudo, K.
Format: Article
Language:English
Subjects:
Etalons
External cavity wavelength tunable laser (ECTL)
Fiber lasers
Holes
Laser tuning
liquid crystal
Liquid crystals
Mirrors
Noise levels
Optical tuning
Power amplifiers
Power generation
semiconductor laser
Semiconductor lasers
Semiconductor optical amplifiers
Tunable circuits and devices
Tunable lasers
tunable mirror
Tuning
Wavelengths
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Summary:We propose a novel external cavity wavelength tunable laser (ECTL) configuration without an etalon inside the cavity. ECTL consists only of a semiconductor optical amplifier with an integrated phase section, and a liquid crystal tunable mirror. We successfully demonstrated excellent performances of the ECTL with fiber coupled output power of more than 50 mW over a 40-nm tuning range, sidemode suppression ratio of better than 45 dB, relative intensity noise of better than -148 dB/Hz, and linewidth of narrower than 2.3 MHz
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2006.874717