On-Chip Optical Squeezing

Dutt, Avik; Luke, Kevin; Manipatruni, Sasikanth; Gaeta, Alexander L.; Nussenzveig, P.; Lipson, Michal

doi:10.1103/physrevapplied.3.044005

Cited by 232 publications

(170 citation statements)

References 47 publications

(59 reference statements)

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“…[93] for optical systems ruled by the LLE, has been experimentally observed in Kerr combs in ref. [94]. Squeezing finds its main application in ultra-high precision optical metrology.…”

Section: Quantum Applicationsmentioning

confidence: 99%

Kerr optical frequency combs: theory, applications and perspectives

Chembo

2016

Nanophotonics

137

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Abstract:The optical frequency comb technology is one of the most important breakthrough in photonics in recent years. This concept has revolutionized the science of ultra-stable lightwave and microwave signal generation. These combs were originally generated using ultrafast mode-locked lasers, but in the past decade, a simple and elegant alternative was proposed, which consisted in pumping an ultra-high-Q optical resonator with Kerr nonlinearity using a continuous-wave laser. When optimal conditions are met, the intracavity pump photons are redistributed via four-wave mixing to the neighboring cavity modes, thereby creating the so-called Kerr optical frequency comb. Beyond being energy-efficient, conceptually simple, and structurally robust, Kerr comb generators are very compact devices (millimetric down to micrometric size) which can be integrated on a chip. They are, therefore, considered as very promising candidates to replace femtosecond mode-locked lasers for the generation of broadband and coherent optical frequency combs in the spectral domain, or equivalently, narrow optical pulses in the temporal domain. These combs are, moreover, expected to provide breakthroughs in many technological areas, such as integrated photonics, metrology, optical telecommunications, and aerospace engineering. The purpose of this review article is to present a comprehensive survey of the topic of Kerr optical frequency combs. We provide an overview of the main theoretical and experimental results that have been obtained so far. We also highlight the potential of Kerr combs for current or prospective applications, and discuss as well some of the open challenges that are to be met at the fundamental and applied level.

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“…[93] for optical systems ruled by the LLE, has been experimentally observed in Kerr combs in ref. [94]. Squeezing finds its main application in ultra-high precision optical metrology.…”

Section: Quantum Applicationsmentioning

confidence: 99%

Kerr optical frequency combs: theory, applications and perspectives

Chembo

2016

Nanophotonics

137

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“…Recent theoretical work proposes the possibility of full optical integration for generating CV entanglement using non-linear waveguide arrays [54]. Another approach to achieve integrated squeezing is to use an on-chip microresonator such as a silicon micromechanical resonator [55] or a silicon nitride microring resonator that utilizes a four-wave mixing process [56]. Integrated semiconductor detectors [57] or superconducting single-photon detectors [58,59] are promising and will enable the use of side-band techniques using a recently developed optical high-pass filter [60], thereby eliminating the influence of stray light that would affect the dark counts.…”

Section: A B Cmentioning

confidence: 99%

On-chip continuous-variable quantum entanglement

Masada

Furusawa

2016

Nanophotonics

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Entanglement is an essential feature of quantum theory and the core of the majority of quantum information science and technologies. Quantum computing is one of the most important fruits of quantum entanglement and requires not only a bipartite entangled state but also more complicated multipartite entanglement. In previous experimental works to demonstrate various entanglement-based quantum information processing, light has been extensively used. Experiments utilizing such a complicated state need highly complex optical circuits to propagate optical beams and a high level of spatial interference between different light beams to generate quantum entanglement or to efficiently perform balanced homodyne measurement. Current experiments have been performed in conventional free-space optics with large numbers of optical components and a relatively largesized optical setup. Therefore, they are limited in stability and scalability. Integrated photonics offer new tools and additional capabilities for manipulating light in quantum information technology. Owing to integrated waveguide circuits, it is possible to stabilize and miniaturize complex optical circuits and achieve high interference of light beams. The integrated circuits have been firstly developed for discrete-variable systems and then applied to continuous-variable systems. In this article, we review the currently developed scheme for generation and verification of continuous-variable quantum entanglement such as Einstein-Podolsky-Rosen beams using a photonic chip where waveguide circuits are integrated. This includes balanced homodyne measurement of a squeezed state of light. As a simple example, we also review an experiment for generating discrete-variable quantum entanglement using integrated waveguide circuits.

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“…Instead, this technology will be based on practical, low cost, interlinked and tunable components, as those which constitute fiber and integrated optics (IO) [13]. In this regard, IO shows unique features for QIP as sub-wavelength stability, essential for quantum interference [14]; great miniaturization, indispensable as the level of complexity of the circuit increases [15]; and the optical properties of the waveguide substrates, which enable the generation of quantum states on-chip by means of their enhanced nonlinear features [16][17][18], its manipulation by means of their thermo-, electro-and strain-optic properties [19][20][21], and the integration of detectors in the circuit [22,23]. In this regard, the implementation of CV-QIP in IO is taking its first steps.…”

Section: Introductionmentioning

confidence: 99%

Generation and Detection of Continuous Variable Quantum Vortex States via Compact Photonic Devices

2017

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Abstract:A quantum photonic circuit with the ability to produce continuous variable quantum vortex states is proposed. This device produces two single-mode squeezed states which go through a Mach-Zehnder interferometer where photons are subtracted by means of weakly coupled directional couplers towards ancillary waveguides. The detection of a number of photons in these modes heralds the production of a quantum vortex. Likewise, a measurement system of the order and handedness of quantum vortices is introduced and the performance of both devices is analyzed in a realistic scenario by means of the Wigner function. These devices open the possibility of using the quantum vortices as carriers of quantum information.

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On-Chip Optical Squeezing

Cited by 232 publications

References 47 publications

Kerr optical frequency combs: theory, applications and perspectives

Kerr optical frequency combs: theory, applications and perspectives

On-chip continuous-variable quantum entanglement

Generation and Detection of Continuous Variable Quantum Vortex States via Compact Photonic Devices

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