Highly sensitive absorption measurements in lithium niobate using whispering gallery resonators

Leidinger, Markus; Buse, K.; Breunig, Ingo

doi:10.1117/12.2078697

Cited by 3 publications

(2 citation statements)

References 18 publications

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“…Photon losses can also be introduced by phase modulators due to absorption by their optical media and SLMs because of their limited resolution and fabrication error. Such losses can be made very low 35 52 53 54 ( Supplementary Note 3 ), and further reduced by the fact that the auxiliary cavity is designed using destructive interference with very few photons in it. The low-reflectivity pinhole manifests as an photon loss that decreases rapidly with the OAM number ( Supplementary Note 3 ).…”

Section: Discussionmentioning

confidence: 99%

Synthetic-lattice enabled all-optical devices based on orbital angular momentum of light

Luo

Zhou

et al. 2017

Nat Commun

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All-optical photonic devices are crucial for many important photonic technologies and applications, ranging from optical communication to quantum information processing. Conventional design of all-optical devices is based on photon propagation and interference in real space, which may rely on large numbers of optical elements, and the requirement of precise control makes this approach challenging. Here we propose an unconventional route for engineering all-optical devices using the photon’s internal degrees of freedom, which form photonic crystals in such synthetic dimensions for photon propagation and interference. We demonstrate this design concept by showing how important optical devices such as quantum memory and optical filters can be realized using synthetic orbital angular momentum (OAM) lattices in degenerate cavities. The design route utilizing synthetic photonic lattices may significantly reduce the requirement for numerous optical elements and their fine tuning in conventional design, paving the way for realistic all-optical photonic devices with novel functionalities.

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Section: Discussionmentioning

confidence: 99%

Synthetic-lattice enabled all-optical devices based on orbital angular momentum of light

Luo

Zhou

et al. 2017

Nat Commun

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show abstract

“…Photon losses can also be introduced by phase modulators due to absorption by their optical media and SLMs because of their limited resolution and fabrication error. Such losses can be made very low [31,[48][49][50] (see Supplementary Materials), and further reduced by the fact that the auxiliary cavity is designed using destructive interference with very few photons in it. The low reflectivity pinhole manifests as an photon loss that decreases rapidly with the OAM number (see Supplementary Materials).…”

Section: Discussionmentioning

confidence: 99%

Synthetic photonic lattices: new routes towards all-optical photonic devices

Luo,

Zhou,

et al. 2016

Preprint

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All-optical photonic devices are crucial for many important photonic technology and applications, ranging from optical communication to quantum information processing. Conventional design of all-optical devices is based on photon propagation and interference in real space, which may reply on large numbers of optical elements and are challenging for precise control. Here we propose a new route for engineering all-optical devices using photon internal degrees of freedom, which form photonic crystals in such synthetic dimensions for photon propagation and interference. We demonstrate this new design concept by showing how important optical devices such as quantum memory and optical filter can be realized using synthetic orbital angular momentum (OAM) lattices in a single main degenerate cavity. The new designing route utilizing synthetic photonic lattices may significantly reduce the requirement for numerous optical elements and their fine tuning in conventional design, paving the way for realistic all-optical photonic devices with novel functionalities.

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Self-Adapted Floquet Dynamics of Ultracold Bosons in a Cavity

Luo

Zhang

2018

Phys. Rev. Lett.

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Floquet dynamics of a quantum system subject to periodic modulations of system parameters provides a powerful tool for engineering new quantum matter with exotic properties. While system dynamics is significantly altered, the periodic modulation itself is usually induced externally and independent of Floquet dynamics. Here we propose a new type of Floquet physics for a Bose-Einstein condensate (BEC) subject to a shaken lattice generated inside a cavity, where the shaken lattice and atomic Floquet bands are mutually dependent, resulting in self-adapted Floquet dynamics. In particular, the shaken lattice induces Floquet quasienergy bands for the BEC, whose backaction leads to a self-adapted dynamical normal-superradiant phase transition for the shaken lattice. Such self-adapted Floquet dynamics shows two surprising and unique features: (i) The normal-superradiant phase transition possesses a hysteresis even without atom interactions. (ii) The dynamical atom-cavity steady state could exist at free energy maxima. The atom interactions strongly affect the phase transition of the BEC from zero to finite momenta. Our results provide a powerful platform for exploring self-adapted Floquet physics, which may open an avenue for engineering novel quantum materials.

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Highly sensitive absorption measurements in lithium niobate using whispering gallery resonators

Cited by 3 publications

References 18 publications

Synthetic-lattice enabled all-optical devices based on orbital angular momentum of light

Synthetic-lattice enabled all-optical devices based on orbital angular momentum of light

Synthetic photonic lattices: new routes towards all-optical photonic devices

Self-Adapted Floquet Dynamics of Ultracold Bosons in a Cavity

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