Self-align electrode separation of directionally coupled semiconductor optical amplifier

Mitsuru Takenaka; Masumi Saitoh; Yoshiaki Nakano

doi:10.1117/12.436029

30 July 2001 Self-align electrode separation of directionally coupled semiconductor optical amplifier

Mitsuru Takenaka, Masumi Saitoh, Yoshiaki Nakano

Proceedings Volume 4532, Active and Passive Optical Components for WDM Communication; (2001) https://doi.org/10.1117/12.436029
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States

Abstract

We have demonstrated the self-align electrode separation technique for directionally coupled semiconductor optical amplifiers (DC-SOA). Using oblique electron-beam evaporation, the electrodes between the coupled waveguides of the DC-SOA were separated without any lithography. We have obtained isolation resistance between the electrodes of about 130 (Omega) , and satisfactory L-I characteristics of the DC-SOA were measured. We have also shown all-optical flip-flop operation using the electrode separated DC-SOA by numerical analysis, and the lasing threshold current control by optical injection was experimentally demonstrated, thus confirming the possibility of all-optical flip-flop operation.

Citation Download Citation

Mitsuru Takenaka, Masumi Saitoh, and Yoshiaki Nakano "Self-align electrode separation of directionally coupled semiconductor optical amplifier", Proc. SPIE 4532, Active and Passive Optical Components for WDM Communication, (30 July 2001); https://doi.org/10.1117/12.436029

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