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DFB laser monolithically integrated with an absorption modulator with low residual reflectance and small chirp

DFB laser monolithically integrated with an absorption modulator with low residual reflectance and small chirp

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© The Institution of Electrical Engineers
Published

Transmission over 150 km of standard fibre at 5 Gbit/s, and over 75 km at 8 Gbit/s, is reported with a monolithically integrated DFB laser and Franz-Keldysh absorption modulator. The modulator facet reflectance is low. The device is stable over a range of operating parameters. The butt-joint, buried-heterostructure device is entirely grown by MOVPE.

Inspec keywords: optical modulation; semiconductor technology; vapour phase epitaxial growth; optical communication equipment; distributed feedback lasers; integrated optoelectronics

Other keywords: absorption modulator; facet reflectance; butt-joint; 75 km; 150 km; MOVPE; Franz-Keldysh absorption modulator; buried-heterostructure device; integrated optoelectronics; semiconductor technology; 5 Gbit/s; residual reflectance; chirp; DFB laser

Subjects: Integrated optoelectronics; Semiconductor integrated circuits; Modulation and coding methods; Optical communication; Epitaxial growth

References

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      • M. Goto , K. Hironishi , A. Sugata , K. Mori , T. Horimatsu , M. Sasaki . A 10 Gb/s optical transmitter module with a monolithically integrated electro-absorption modulator with a DFB laser. IEEE Photonics Technol. Lett. , 12 , 896 - 898
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