Integration of Functional SOA on the Gain Chip of an External Cavity Wavelength Tunable Laser Using Etched Mirror Technology

A gap-mirror technology for integrating a functional section onto a laser gain chip is presented. A semiconductor optical amplifier, implementing several functions, is integrated on the gain chip used in an external cavity laser, and demonstrated as a high-performance variable attenuator and data mo...

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics 2007-09, Vol.13 (5), p.1104-1111
Main Authors: Nielsen, M.L., Sudo, S., Mizutani, K., Okamoto, T., Tsuruoka, K., Sato, K., Kudo, K.
Format: Article
Language:English
Subjects:
Amplification
Attenuators
Chips
Costs
Etching
External cavity
Gain
Holes
Lasers
Mirrors
Modulators
Optical attenuators
Optical variables control
Power generation
Semiconductor lasers
semiconductor optical amplifier (SOA)
Semiconductor optical amplifiers
Tunable circuits and devices
tunable laser
Wavelength division multiplexing
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Description
Summary:A gap-mirror technology for integrating a functional section onto a laser gain chip is presented. A semiconductor optical amplifier, implementing several functions, is integrated on the gain chip used in an external cavity laser, and demonstrated as a high-performance variable attenuator and data modulator at 2.5 Gb/s. Control of the mirror properties through the gap geometry is demonstrated, and further optimization is realized by a gap-filling technique, which increases the output power to above 100 mW across the C -band.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2007.903847