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Hybrid optical vector modulator utilising AlGaInAs reflective EAMs and high index-contrast silica circuit

Hybrid optical vector modulator utilising AlGaInAs reflective EAMs and high index-contrast silica circuit

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© The Institution of Engineering and Technology
Published

A new compact photonic-integrated modulator utilising a four-element reflective electro-absorption modulator-semiconductor optical amplifier (EAM-SOA) array and silica interferometric guide arrangement is presented. The EAM-SOA active layer consists of AlGaInAs quantum wells designed in selective area growth technology, which enables an insertion gain, and the mature silica platform provides reduced optical losses. As a result, error-free 50 Gbit/s RZ-QPSK signal generation is shown.

Inspec keywords: semiconductor optical amplifiers; quadrature phase shift keying; silicon compounds; semiconductor quantum wells; electroabsorption; III-V semiconductors; electro-optical modulation; aluminium compounds

Other keywords: four element reflective; selective area growth technology; AlGaInAs; semiconductor optical amplifier; high index contrast; photonic integrated modulator; quantum wells; hybrid optical vector modulator; reflective EAM; RZ-QPSK signal generation; electro absorption modulator; silica circuit

Subjects: Lasing action in semiconductors; Electro-optical devices; Semiconductor lasers; Optical beam modulators

References

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      • N. Dupuis , J. Décobert , C. Jany , F. Alexandre , A. Garreau , N. Lagay , F. Martin , D. Carpentier , J. Landreau , C. Kazmierski . 10-Gbit/s AlGaInAs colorless remote amplified modulator by selective area growth for wavelength agnostic networks'. IEEE Photonics Technol. Lett. , 1808 - 1810
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      • Velthaus, K.O.: `High-speed integrated modulators and receivers', IPNRA Conf., 2007, Salt Lake City, UT, USA.
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      • Kang, I., Chandrasekhar, S., Buhl, L., Bernasconi, P., Liu, X., Giles, C.-R., Chraplivy, A.R., Kazmierski, C., Dupuis, N., Décobert, J., Alexandre, F., Jany, C., Garreau, A., Landreau, J., Rasras, M., Cappuzzo, M., Gomez, L.-T., Gomez, Y.-F., Chen, Y.-F., Earnshaw, M.-P., Lee, J., Leven, A., Dorrer, C.: `Direct 50-Gbit/s RZ-DQPSK generation using hybrid photonic-integrated electroabsorption modulators', ECOC, 2008, Brussels, Belgium.
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      • I. Kang , S. Chandrasekhar , L. Buhl , P. Bernasconi , X. Liu , C.-R. Giles , C. Kazmierski , N. Dupuis , J. Décobert , F. Alexandre , C. Jany , A. Garreau , J. Landreau , M. Rasras , M. Cappuzzo , L.-T. Gomez , Y.-F. Gomez , Y.-F. Chen , M.-P. Earnshaw , J. Lee , A. Leven , C. Dorrer . A hybrid electroabsorption modulator device for generation of high spectral-efficiency optical modulation formats. Opt. Express , 8480 - 8486
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