Invited Article: Optical dynamic range compression

Yunshan Jiang; Saili Zhao; Bahram Jalali

doi:10.1063/1.5051566

APL Photonics (Nov 2018)

Invited Article: Optical dynamic range compression

Yunshan Jiang,
Saili Zhao,
Bahram Jalali

Affiliations

Yunshan Jiang: Department of Electrical and Computer Engineering, University of California, Los Angeles, California 90095, USA
Saili Zhao: Department of Electrical and Computer Engineering, University of California, Los Angeles, California 90095, USA
Bahram Jalali: Department of Electrical and Computer Engineering, University of California, Los Angeles, California 90095, USA

DOI: https://doi.org/10.1063/1.5051566
Journal volume & issue: Vol. 3, no. 11
pp. 110806 – 110806-10

Abstract

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We introduce the concept of optical dynamic range compression and discuss its utilities in the non-uniform quantization, enhancing the signal-to-noise ratio as well as reshaping signal’s statistical distribution and extending the detection range in light detection and ranging systems. The technology represents a photonics hardware accelerator that reduces the burden on the dynamic range of the photodetection and the data acquisition including the required number of bits of the analog-to-digital converter. The energy of photons that are intentionally blocked can be harvested using a two-photon photovoltaic effect. Implementations using other approaches are also discussed.

Published in APL Photonics

ISSN: 2378-0967 (Online)
Publisher: AIP Publishing LLC
Country of publisher: United States
LCC subjects: Technology: Engineering (General). Civil engineering (General): Applied optics. Photonics
Website: https://aplphotonics.aip.org

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