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A GaInAsP-InP double-ring resonator coupled laser

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3 Author(s)
Rabus, D.G. ; Baskin Sch. of Eng., Univ. of California, Santa Cruz, CA, USA ; Bian, Z. ; Shakouri, Ali

A monolithic single-mode GaInAsP-InP double microring resonator coupled laser is demonstrated for the first time. The laser comprises two passive ring resonators, semiconductor optical amplifiers in the bus waveguides, and 3-dB codirectional couplers. The laser has an output power of 0.5 mW with a sidemode supression ratio of >35 dB. The tunability is demonstrated using integrated platinum resistors on top of the waveguides in the rings.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 9 )