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Monolithic Integration of an Embedded Stripe Laser and a Strip-Waveguide Modulator

Kiyotsugu ISHIKAWA, Kunio ITOH, Iwao TERAMOTO

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Summary :

Two strip-waveguides, with and without a function of light intensity modulation, have been monolithically integrated with an embedded stripe DH laser. The strip-waveguides are constructed with guide films of high resistivity GaAs0.9 P0.1 and surroundings of slightly lower refractive index GaAs0.85 P0.15. The intensity of spontaneous light output from the stripe Ga0.97 Al0.03 As laser can be modulated by a voltage applied to the waveguide-modulator through an isolated electrode. It is seen that the maximum modulation occurs at a wavelength shorter than the peak wavelength of emission spectrum as a result of the Franz-Keldysh effect.

Publication
IEICE TRANSACTIONS on transactions Vol.E61-E No.3 pp.164-166
Publication Date
1978/03/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Issue on Integrated Optics and Optical Fiber Communications)
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