Fundamental sensitivity limit imposed by dark 1/f noise in the low optical signal detection regime | Zendy

Emily J. McDowell | Zendy; Jian Ren | Zendy; Changhuei Yang | Zendy

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Fundamental sensitivity limit imposed by dark 1/f noise in the low optical signal detection regime

Author(s) -

Emily J. McDowell,

Jian Ren,

Changhuei Yang

Publication year - 2008

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.006822

Subject(s) - physics , optics , noise (video) , detector , sensitivity (control systems) , noise spectral density , signal (programming language) , noise floor , white noise , stochastic resonance , detection theory , signal to noise ratio (imaging) , signal transfer function , quantum noise , noise figure , noise measurement , acoustics , noise reduction , telecommunications , electronic engineering , computer science , analog signal , optoelectronics , quantum mechanics , artificial intelligence , cmos , image (mathematics) , amplifier , engineering , quantum , transmission (telecommunications) , programming language

The impact of dark 1/f noise on fundamental signal sensitivity in direct low optical signal detection is an understudied issue. In this theoretical manuscript, we study the limitations of an idealized detector with a combination of white noise and 1/f noise, operating in detector dark noise limited mode. In contrast to white noise limited detection schemes, for which there is no fundamental minimum signal sensitivity limit, we find that the 1/f noise characteristics, including the noise exponent factor and the relative amplitudes of white and 1/f noise, set a fundamental limit on the minimum signal that such a detector can detect.

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