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Nonlinear quantum physics of oscillators

Quantum oscillator is an elementary physical system with both continuous wave and discrete particle features. 

Moreover, the quantum oscillator can simultaneously exhibit both nonlinear and complex phenomena capable of producing many 
counterintuitive
physical effects. 

Quantum optics is excellent for testing and understanding of these phenomena and bringing them closer to applications.

Quantum oscillators will have many applications in science and technology beyond the framework of classical physics, for example, 
in metrology, communication, simulations, computation, energy harvesting and in future, maybe even robotics.  

Nonlinear measures quantifying oscillator applications allow growing of positive outcomes. Nonlinear dynamics can do much more.  

Majority of sufficiently strong high-order nonlinearities are still missing at the quantum level. 

Now highly nonlinear operations with oscillators can go far beyond a border of nonlinear optics. 

Quantum optics also merges with nonlinear mechanical and electric oscillators. They can provide applicable nonlinear effects 
in future and open new applications. 

Quantum optics also reaches the complex phenomena, already with a single nonlinear oscillator and later with oscillator arrays.

Interaction of many nonlinear quantum oscillators is a challenge in theory and experiment, but also a current chance for science and technology. 

Our way to understand and explore Nature is based on

(i) as much reliable data from different experiments
(ii) understanding of experimental reality
(iii) approximative but illustrative proposals of experiments 
(iv) only well-defined applications proving what makes sense

 
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    Current directions:

    Noise and coherence of oscillators
    Nonclassical effects of nonlinear oscillators
    Nonlinear measurement and quantum-to-classical transition
Nonlinear operations with oscillators (optical, electrical, atomic, solid-state, matter-wave, mechanical oscillators)
    Quantum communication between nonlinear systems 
    Nonlinear metrology 
    Analog quantum simulators of nonlinear phenomena
Nonlinear mechanical machines  
    Nonlinear stochastic and quantum thermodynamics  

                 For more details, please, see the List of Publications and Team, Collaborations, Grants.