56 Gbit/s InGaAlAs-MQW 1300 nm Electroabsorption-Modulated DFB-Lasers with Impedance Matching Circuit
- Klein, H.
- Bornholdt, C.
- Przyrembel, G.
- Sigmund, A.
- Molzow, W.-D.
- Bach, H.-G.
- Moehrle, M.
DOIAbstract
We have developed electroabsorption modulated DFB Lasers at 1305 nm using an identical InGaAlAs MQW core in the DFB and the EAM section. A 50Omega matching circuit is realized on-chip giving an f 3dB of 39.4 GHz. We present 56 Gbit/s eyes with a dynamic extinction ratio of 9.5 dB. The fiber coupled output power under modulation is +5 dBm at 45degC
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