Open AccessExplanation of the distorted spectrum in a spectral hole burning RF spectrum analyzer using Bloch equations
Author(s) -
Guofang Fan,
Yuan Li,
Chunguang Hu,
Jiasi Wei,
Hongyu Li
Publication year - 2018
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.26.006674
Subject(s) - spectrum analyzer , distortion (music) , optics , physics , bloch equations , spectrum (functional analysis) , nuclear magnetic resonance , optoelectronics , quantum mechanics , amplifier , cmos
A readout using a frequency-chirped laser is investigated in a spectrum analyzer with spectral-hole-burning (SHB). An analysis based on the Bloch equations is presented for the spectral distortion due to a fast readout, and a recovery algorithm is developed for the distortion. The experiment of a SHB spectrum analyzer is executed to demonstrate the optical spectral distortion due to fast readout. The experimental spectral distortion is recovered by the recovery algorithm developed from the Bloch equations.