374 citations · 1.6k across the 14 of their papers we have counts for
14 papers
Increased Atom-Cavity Coupling through Cooling-Induced Atomic Reorganization
Chi Shu, Simone Colombo, Zeyang Li +4
The strong coupling of atoms to optical cavities can improve optical lattice clocks as the cavity enables metrologically useful collective atomic entanglement and high-fidelity mea…
Improving Metrology with Quantum Scrambling
Zeyang Li, Simone Colombo, Chi Shu +7
Quantum scrambling describes the spreading of local information into many degrees of freedom in quantum systems. This provides the conceptual connection among diverse phenomena ran…
Collective Spin-Light and Light-Mediated Spin-Spin Interactions in an Optical Cavity
Zeyang Li, Boris Braverman, Simone Colombo +6
The interaction between an atomic ensemble and a light mode in a high-finesse optical cavity can easily reach the strong-coupling regime, where quantum effects dominate. In this re…
Time-Reversal-Based Quantum Metrology with Many-Body Entangled States
Simone Colombo, Edwin Pedrozo-Peñafiel, Albert F. Adiyatullin +4
In quantum metrology, entanglement represents a valuable resource that can be used to overcome the Standard Quantum Limit (SQL) that bounds the precision of sensors that operate wi…
Entanglement-Enhanced Optical Atomic Clock
Edwin Pedrozo-Peñafiel, Simone Colombo, Chi Shu +8
State-of-the-art atomic clocks are based on the precise detection of the energy difference between two atomic levels, measured as a quantum phase accumulated in a given time interv…
Trapping Yb Atoms into a One-Dimensional Optical Lattice with a Small Waist
Akio Kawasaki, Boris Braverman, Edwin Pedrozo-Peñafiel +4
In most experiments with atoms trapped in optical lattices, the transverse size of the optical lattice beams is on the order of tens of micrometers, and loading many atoms into sma…
Near-Unitary Spin Squeezing in Yb
Boris Braverman, Akio Kawasaki, Edwin Pedrozo-Peñafiel +9
Spin squeezing can improve atomic precision measurements beyond the standard quantum limit (SQL), and unitary spin squeezing is essential for improving atomic clocks. We report sub…
Geometrically asymmetric optical cavity for strong atom-photon coupling
Akio Kawasaki, Boris Braverman, Edwin Pedrozo-Peñafiel +11
Optical cavities are widely used to enhance the interaction between atoms and light. Typical designs using a geometrically symmetric structure in the near-concentric regime face a…
Atomically thin mirrors made of monolayer semiconductors
Giovanni Scuri, You Zhou, Alexander A. High +9
Transition metal dichalcogenide monolayers are promising candidates for exploring new electronic and optical phenomena and for realizing atomically thin optoelectronic devices. The…
Probing dark excitons in atomically thin semiconductors via near-field coupling to surface plasmon polaritons
You Zhou, Giovanni Scuri, Dominik S. Wild +12
Transition metal dichalcogenide (TMD) monolayers are direct bandgap semiconductors that feature tightly bound excitons, strong spin-orbit coupling, and spin-valley degrees of freed…
Subnatural-linewidth biphotons from a Doppler-broadened hot atomic vapor cell
Chi Shu, Peng Chen, Tsz Kiu Aaron Chow +4
We report the efficient generation of subnatural-linewidth (< 6 MHz, for Rb D1/D2 lines) biphotons from a Doppler-broadened (530 MHz) hot atomic vapor cell. We use on-resonance spo…
Frequency-Bin Entanglement with Tunable Phase
Xianxin Guo, Peng Chen, Chi Shu +2
We describe a technique to produce narrow-band photon pairs with frequency-bin entanglement, whose relative phase can be tuned using linear polarization optics. We show that, makin…
Narrowband Biphotons with Polarization-Frequency Coupled Hyperentanglement
Chi Shu, Xianxin Guo, Peng Chen +2
We demonstrate the generation of narrowband biphotons with polarization-frequency coupled hy- perentanglement from spontaneous four-wave mixing in cold atoms. The coupling between…
Temporal Quantum-State Tomography of Narrowband Biphotons
Peng Chen, Chi Shu, Xianxin Guo +2
We describe and demonstrate a quantum state tomography for measuring the complex temporal waveform of narrowband biphotons. Through six sets of two-photon interference measurements…