Terahertz generation and power limits in In0.53Ga0.47As photomixer coupled to transverse-electromagnetic-horn antenna driven at 1.55 µm wavelengths

Juliette Mangeney (1) , F. Meng (1) , Djamal Gacemi (1) , Emilien Peytavit (2) , Jean-Francois Lampin (2) , Tahsin Akalin (2)

1 IEF - Institut d'électronique fondamentale
2 IEMN - Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520

We report continuous wave generation at frequencies up to 2 THz using ion-irradiated In0.53Ga0.47As photomixers coupled to transverse-electromagnetic-horn antennae driven at 1.55 m wavelength. Output powers up to 0.1 W at 700 GHz have been achieved. The dependence of the output power on incident optical power and the bias voltage is analyzed in the both regimes of Ohmic transport and recombination-limited transport. The fundamental limitations of the performance of the photomixer devices based on photoconductive phenomenon in recombination-limited transport are analyzed

Domaines: Sciences de l'ingénieur [physics]

Juliette Mangeney, F. Meng, Djamal Gacemi, Emilien Peytavit, Jean-Francois Lampin, et al.. Terahertz generation and power limits in In0.53Ga0.47As photomixer coupled to transverse-electromagnetic-horn antenna driven at 1.55 µm wavelengths. Applied Physics Letters, 2010, 97, pp.161109-1-3. ⟨10.1063/1.3505341⟩. ⟨hal-00548957⟩