Efficiently Loading a Single Photon into a Single-Sided Fabry-Perot Cavity

Liu, Chang; Sun, Yuan; Zhao, Luwei; Zhang, Shanchao; Loy, M. M. T.; Du, Shengwang

doi:10.1103/physrevlett.113.133601

Cited by 59 publications

(55 citation statements)

References 31 publications

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“…And while, as noted above, parametric processes arXiv:1712.03992v1 [quant-ph] 11 Dec 2017 have enabled two-mode frequency beamsplitters, electrooptic modulation represents an attractive alternative: it requires no optical pumps, relies on purely electrical controls, and is compatible with state-of-the-art telecommunication technology. Such features have enabled impressive electro-optic experiments in quantum photonics, including single-photon temporal shaping [26][27][28][29][30], nonlocal modulation cancellation [17,31,32], and state measurement [33,34]. Nevertheless, realization of an arbitrary d × d frequency-bin multiport presents stark challenges for a single electro-optic phase modulator (EOM).…”

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confidence: 99%

Electro-Optic Frequency Beam Splitters and Tritters for High-Fidelity Photonic Quantum Information Processing

et al. 2018

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We report experimental realization of high-fidelity photonic quantum gates for frequency-encoded qubits and qutrits based on electro-optic modulation and Fourier-transform pulse shaping. Our frequency version of the Hadamard gate offers near-unity fidelity (0.99998 ± 0.00003), requires only a single microwave drive tone for near-ideal performance, functions across the entire C-band (1530-1570 nm), and can operate concurrently on multiple qubits spaced as tightly as four frequency modes apart, with no observable degradation in the fidelity. For qutrits we implement a 3 × 3 extension of the Hadamard gate: the balanced tritter. This tritter-the first ever demonstrated for frequency modes-attains fidelity 0.9989 ± 0.0004. These gates represent important building blocks toward scalable, high-fidelity quantum information processing based on frequency encoding.Introduction.-The coherent translation of quantum states from one frequency to another via optical nonlinearites has been the focus of considerable research since the early 1990s [1]; yet only fairly recently have such processes been explored in the more elaborate context of time-frequency quantum information processing (QIP), where optical frequency is not just the carrier of quantum information but the information itself. Important examples include the quantum pulse gate [2,3], which uses nonlinear mixing with shaped classical pulses for selective conversion of the time-frequency modes of single photons [4][5][6], and demonstrations of frequency beamsplitters based on both χ (2) [7,8] and χ (3) [9][10][11] nonlinearities, which interfere two wavelength modes analogously to a spatial beamsplitter. These seminal experiments have shown key primitives in frequency-based QIP, but many challenges remain. For example, optical filters and/or low temperatures are required to remove background noise due to powerful optical pumps, either from the sources themselves or Raman scattering in the nonlinear medium. And achieving the necessary nonlinear mixing for arbitrary combinations of modes will require additional pump fields, as well as properly engineered phase-matching conditions.Recently we proposed a fundamentally distinct platform for frequency-bin manipulations, relying on electrooptic phase modulation and Fourier-transform pulse shaping for universal QIP [12]. Our approach requires no optical pump fields, is readily parallelized, and scales well with the number of modes. In this Letter, we apply this paradigm to experimentally demonstrate the first electro-optic-based frequency beamsplitter. Our frequency beamsplitter attains high fidelity, operates in * lougovskip@ornl.gov parallel on multiple two-mode subsets across the entire optical C-band, and retains excellent performance at the single-photon level. Moreover, by incorporating an additional harmonic in the microwave drive signal, we also realize a balanced frequency tritter, the threemode extension of the beamsplitter. This is the first frequency tritter demonstrated on any platform, and establishes our electro...

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confidence: 99%

Electro-Optic Frequency Beam Splitters and Tritters for High-Fidelity Photonic Quantum Information Processing

et al. 2018

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“…We also reviewed their applications in manipulating temporal quantum interactions between single photons and atoms, as well as in the quantum key distribution. Most recently, it was demonstrated that a single photon with time-reversed exponential growth waveform can be loaded into a single-sided Fabry Pérot cavity with near-unity ef-ficiency [102,103]. With the time-resolved quantum-state tomography [104,105], their further applications in quantum network and quantum information processing are to be explored.…”

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confidence: 99%

Narrowband Biphotons: Generation, Manipulation, and Applications

Chuu

2015

Engineering the Atom-Photon Interaction

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In this chapter, we review recent advances in generating narrowband biphotons with long coherence time using spontaneous parametric interaction in monolithic cavity with cluster effect as well as in cold atoms with electromagnetically induced transparency. Engineering and manipulating the temporal waveforms of these long biphotons provide efficient means for controlling light-matter quantum interaction at the single-photon level. We also review recent experiments using temporally long biphotons and single photons.

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“…More recently, significant light-matter interaction has also been observed between single quantum systems and weak coherent fields in free space [6][7][8][9][10][11] . The time-reversal symmetry of Schroedinger's and Maxwell's equations suggests that the conditions for perfect absorption of an incident single photon by a single atom in free space can be found from the reversed process, the spontaneous emission of a photon from an atom prepared in an excited state [12][13][14][15][16][17][18][19][20] . There, the excited state population decays exponentially with a time constant given by the radiative lifetime t 0 of the excited state, and an outwardmoving photon with the same temporal decay profile emerges in a spatial field mode corresponding to the atomic dipole transition 21 .…”

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Time-resolved scattering of a single photon by a single atom

Steiner¹,

Leong²,

Seidler³

et al. 2017

2017 Conference on Lasers and Electro-Optics Europe &Amp; European Quantum Electronics Conference (CLEO/Europe-EQEC)

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Scattering of light by matter has been studied extensively in the past. Yet, the most fundamental process, the scattering of a single photon by a single atom, is largely unexplored. One prominent prediction of quantum optics is the deterministic absorption of a travelling photon by a single atom, provided the photon waveform matches spatially and temporally the time-reversed version of a spontaneously emitted photon. Here we experimentally address this prediction and investigate the influence of the photon's temporal profile on the scattering dynamics using a single trapped atom and heralded single photons. In a time-resolved measurement of atomic excitation we find a 56(11)% increase of the peak excitation by photons with an exponentially rising profile compared with a decaying one. However, the overall scattering probability remains unchanged within the experimental uncertainties. Our results demonstrate that envelope tailoring of single photons enables precise control of the photon-atom interaction.

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Efficiently Loading a Single Photon into a Single-Sided Fabry-Perot Cavity

Cited by 59 publications

References 31 publications

Electro-Optic Frequency Beam Splitters and Tritters for High-Fidelity Photonic Quantum Information Processing

Electro-Optic Frequency Beam Splitters and Tritters for High-Fidelity Photonic Quantum Information Processing

Narrowband Biphotons: Generation, Manipulation, and Applications

Time-resolved scattering of a single photon by a single atom

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