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Quantum Cloning: Difference between revisions
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***[[Phase Variant Cloning|Phase-covariant cloning]]. | ***[[Phase Variant Cloning|Phase-covariant cloning]]. | ||
*'''Approximate cloning protocols for continous variables''' The cloning of several quantum states such as photonic states which are in the regime of [[continuous variables (CV)]] have been presented in this section. The N <math>\rightarrow</math> M approximate Gaussian cloning protocol is the most important cloning protocol in CV with a wide variety of application in photonic or quantum oscillator systems. | *'''Approximate cloning protocols for continous variables''' The cloning of several quantum states such as photonic states which are in the regime of [[continuous variables (CV)]] have been presented in this section. The N <math>\rightarrow</math> M approximate Gaussian cloning protocol is the most important cloning protocol in CV with a wide variety of application in photonic or quantum oscillator systems. | ||
*'''Probabilistic Cloning''' Another way of having an imperfect cloner is to have a probabilistic cloning machine will produce the copies with some probability of success. In these protocols coping task can succeed with probability, but if it is successful, we can always obtain perfect | *'''Probabilistic Cloning''' Another way of having an imperfect cloner is to have a probabilistic cloning machine will produce the copies with some probability of success. In these protocols coping task can succeed with probability, but if it is successful, we can always obtain perfect copies. The probabilistic cloning machines will no longer consists of unitary operations only. But these machines are represented by quantum maps instead. This quantum cloning machine is useful, in particular, in studying the B92 quantum key distribution protocol. | ||
**[[Probabilistic Cloning|Probabilistic Cloning protocols]] | **[[Probabilistic Cloning|Probabilistic Cloning protocols]] | ||