Demonstration of modulating retro‐reflection free‐space optical transmission using 80 Gb/s Pol‐MUX QPSK signal in simulated atmosphere environment
Open Access
- 1 January 2020
- journal article
- research article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 56 (2), 93-95
- https://doi.org/10.1049/el.2019.1974
Abstract
The authors experimentally demonstrate a modulating retro-reflector based on electro-optical in-phase quadrature modulator and test it in an atmospheric cell simulated atmosphere environment by using 80 Gb/s polarisation-multiplexing quadrature phase-shift keying (Pol-MUX QPSK) signals. At the BER of 1 × 10−3, the power penalties of the x- and y-polarisation signals are both <1.1 dB when the temperature difference in the atmospheric cell is <250°C.Keywords
Funding Information
- National Natural Science Foundation of China (61875172)
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