Figure 7
From: Geometric control theory for quantum back-action evasion
![Figure 7](http://media.springernature.com/full/springer-static/image/art%3A10.1140%2Fepjqt%2Fs40507-016-0053-5/MediaObjects/40507_2016_53_Fig7_HTML.gif)
(a) General configuration of direct interaction scheme. (b) Physical implementation of the passive direct interaction controller for the opto-mechanical oscillator.
From: Geometric control theory for quantum back-action evasion
(a) General configuration of direct interaction scheme. (b) Physical implementation of the passive direct interaction controller for the opto-mechanical oscillator.