Ultrafast multifunctional all-optical logic gates based on single semiconductor optical amplifier

Jianji Dong; Xinliang Zhang; Songnian Fu; Yang Wang; Dexiu Huang

doi:10.1117/12.741720

19 November 2007 Ultrafast multifunctional all-optical logic gates based on single semiconductor optical amplifier

Jianji Dong, Xinliang Zhang, Songnian Fu, Yang Wang, Dexiu Huang

Proceedings Volume 6782, Optoelectronic Materials and Devices II; 67820C (2007) https://doi.org/10.1117/12.741720
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

We propose and demonstrate 40Gb/s multifunctional all-optical logic gates based on single semiconductor optical amplifier (SOA) and a blue shifted optical bandpass filter (OBF), suitable for both return-to-zero (RZ) and nonreturn-to-zero (NRZ) format. The logic functions NOT, NOR and OR of RZ format are realized at the OBF detuning of -0.15nm, - 0.22nm, and -0.44nm, respectively. The logic functions NOT and NOR of NRZ format are realized at the OBF detuning of -0.24nm. The measured ER is around 7dB and Q factor is over 6. Our scheme has the potential advantages of multilogic functions, simple structure, and high tolerance to input pulsewidth.

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Jianji Dong, Xinliang Zhang, Songnian Fu, Yang Wang, and Dexiu Huang "Ultrafast multifunctional all-optical logic gates based on single semiconductor optical amplifier", Proc. SPIE 6782, Optoelectronic Materials and Devices II, 67820C (19 November 2007); https://doi.org/10.1117/12.741720

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KEYWORDS

Logic

Logic devices

Semiconductor optical amplifiers

Eye

Polarization

Ultrafast phenomena

Phase modulation

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