5 March 2018 A monolithic optical heterodyne source based on dual DFB lasers using an InP generic foundry platform
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Abstract
A photonic integrated circuit developed in a generic foundry platform for continuously tunable microwave generation is presented. On this chip, two single-wavelength DFB laser diodes generate a two-tone emission through one optical waveguide coupler as combiner. The two-tone emission spectrum with >50-dB suppression ratio exhibits a continuous wavelength offset tunability up to ~4.3 nm, corresponding to 0.55-THz. With an external photodiode, a RF beat note at 10 GHz is experimentally demonstrated..
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Mu-Chieh Lo, Mu-Chieh Lo, Alberto Zarzuelo, Alberto Zarzuelo, Robinson Guzmán, Robinson Guzmán, Guillermo Carpintero, Guillermo Carpintero, } "A monolithic optical heterodyne source based on dual DFB lasers using an InP generic foundry platform", Proc. SPIE 10531, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XI, 105311Z (5 March 2018); doi: 10.1117/12.2306347; https://doi.org/10.1117/12.2306347
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