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Optics InfoBase Conference Papers

A single photon optomechanical memory

Uzma Akram, Gerard J Milburn

Published Jan 1, 2011• 0 citations
OpenAlex

Abstract

We show how a single photon injected into a chain of optomechanical systems can be stored as a linear superposition over the array of mechanical resonators, hence building a single photon optomechanical memory.

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Single photon optomechanical memory

Uzma Akram, Gerard J Milburn

We show how a single photon injected into a chain of optomechanical systems can be stored as a linear superposition over the array of mechanical resonators, hence building a single photon optomechanical memory.

•Jan 1, 2011•0 citations

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Storage of single photon and two photons states in an all-optical quantum memory

Viviane Cotte, Hector Simon, Rosa Tualle-Brouri

SPIE Quantum Technologies•May 6, 2022•0 citations
Optomechanics may be viewed as a light-mechanics interface to realize hybrid structures for (classical or quantum) information processing, switching or storage. Using the two-laser technique, in this paper, we theoretically devise a protocol for quantum light memory via a cavity optomechanical system composed of a Fabry–Perot cavity and a mechanical resonator. Due to the long-lived mechanical resonator, this quantum memory for light based on optomechanically induced transparency (OMIT) can serve as a long-term memory that can store the full quantum light contained in an optical pulse. It is shown that, with the tunable pump laser, the quantum signal light can be reaccelerated and converted back on demand. Our presented work could open the door to all-optical routers for light memory devices and have a guide to actual experiments.
In this paper, we propose a feasible scheme for generating the Schr\"odinger-cat-like states of a macroscopic mechanical resonator in pulsed cavity optomechanics via photon detection. Starting with cooling the mechanical oscillator to its ground state, a red pulse and a blue pulse with different powers are simultaneously employed to dissipatively generate squeezed mechanical states. Subsequently, a second red pulse is utilized to achieve large-amplitude mechanical catlike states with high fidelities, conditioned on the multiphoton detection of cavity output and assisted by squeezing injection into the cavity. This combination effectively overcomes the difficulty that only a kitten can be produced by single-photon detection. Finally, after being stored in the resonator for a period of time during which thermal effect is analytically revealed, the mechanical quantum superpositions are mapped, with a third red pulse, to the cavity output field for state verification. Our scheme is generic and can also be used to produce other kinds of non-Gaussian mechanical states, such as optical-catalysis nonclassical states.