Recent advancements in photonic converters

Michael J. Hayduk; Rebecca Jane Bussjager; Mark A. Getbehead; James A. Louthain

doi:10.1117/12.399392

7 September 2000 Recent advancements in photonic converters

Michael J. Hayduk, Rebecca Jane Bussjager, Mark A. Getbehead, James A. Louthain

Proceedings Volume 4112, Radio Frequency Photonic Devices and Systems; (2000) https://doi.org/10.1117/12.399392
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

Analog-to-digital converters (ADCs) are an essential component of digital receiver systems. Progress at advancing the electronic ADC modules has been very slow due in large part to the difficulties in fabricating the electronic circuitry required for very high resolution and high sampling rate converters. This slow progress has resulted in a bottleneck between the received analog signal and the digital signal processing system. Single or multiple analog signal down conversion stages are required in digital receivers to down convert the received analog signal to an intermediate frequency (IF) that can be processed by the electronic ADC. There has been much recent interest in the use of photonics for direct digitization of the analog signal at the received RF frequency thus eliminating the need for analog down conversion. This paper reviews some of the recent research advancements in photonic ADCs. We will especially focus on the development of a novel photonic ADC module that uses semiconductor saturable absorbers to perform the data quantization. We will also present recent results in the development of a mode-locked fiber laser used as the sampling source in this photonic ADC architecture.

Citation Download Citation

Michael J. Hayduk, Rebecca Jane Bussjager, Mark A. Getbehead, and James A. Louthain "Recent advancements in photonic converters", Proc. SPIE 4112, Radio Frequency Photonic Devices and Systems, (7 September 2000); https://doi.org/10.1117/12.399392

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