Bandwidth and dynamic range of a pulsed local oscillator coherent optical receiver: application to the linear optical sampling

P. Gallion; X. You; C. Gosset; F. Grillot

doi:10.1117/12.2035800

1 February 2014 Bandwidth and dynamic range of a pulsed local oscillator coherent optical receiver: application to the linear optical sampling

P. Gallion, X. You, C. Gosset, F. Grillot

Author Affiliations +

Proceedings Volume 9009, Next-Generation Optical Communication: Components, Sub-Systems, and Systems III; 90090O (2014) https://doi.org/10.1117/12.2035800
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

The optical transfer function of a pulsed local oscillator coherent receiver is derived. We point out that the transfer function is the amplitude of the spectral envelope of the locked optical modes of the pulsed local oscillator source. Using quantum theory of homodyne detection, and assuming an additive Gaussian circular optical noise, with a spectral density hν/2, at each optical input port of the optical mixer, a general discussion on the fundamental limit of the Signal-to-Noise Ratio of a pulsed coherent receiver is provided. It includes the influence of the time jitter of the sampling pulses. Results are numerically discussed in the context of time equivalent under sampling technique, but may be obviously extended to any real time sampling of optical signals.

Citation Download Citation

P. Gallion, X. You, C. Gosset, and F. Grillot "Bandwidth and dynamic range of a pulsed local oscillator coherent optical receiver: application to the linear optical sampling", Proc. SPIE 9009, Next-Generation Optical Communication: Components, Sub-Systems, and Systems III, 90090O (1 February 2014); https://doi.org/10.1117/12.2035800

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