Intracavity electromagnetically induced transparency

Lukin, Mikhail D.; Fleischhauer, Michael; Scully, Marlan O.; Velichansky, V. L.

doi:10.1364/ol.23.000295

Cited by 195 publications

(190 citation statements)

References 10 publications

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“…This is analogous to an impedance-matched AC electric circuit in which the load power is maximized and there is no power reflection from the circuit. In section III, we show that the CQED system can be made to act as a perfect photon absorber (without the control laser) or as a near perfect photon transmitter (when the control laser is on and creates the cavity EIT [21][22][23][24][25]). In section IV, we show that when the control laser is tuned to the polariton resonance and suppresses the polariton excitation, the input light fields cannot be coupled into the cavity and are nearly completely reflected from the cavity.…”

Section: Introductionmentioning

confidence: 99%

Interference control of perfect photon absorption in cavity quantum electrodynamics

Wang

Zhu

et al. 2017

Phys. Rev. A

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We propose and analyze a scheme for controlling coherent photon transmission and reflection in a cavity-quantum-electrodynamics (CQED) system consisting of an optical resonator coupled with three-level atoms coherently prepared by a control laser from free space. When the control laser is off and the cavity is excited by two identical light fields from two ends of the cavity, the two input light fields can be completely absorbed by the CQED system and the light energy is converted into the excitation of the polariton states, but no light can escape from the cavity. Two distinct cases of controlling the perfect photon absorption are analyzed: (a) when the control laser is tuned to the atomic resonance and creates electromagnetically induced transparency, the prefect photon absorption is suppressed and the input light fields are nearly completely transmitted through the cavity; (b) when the control laser is tuned to the polariton state resonance and inhibits the polariton state excitation, the perfect photon absorption is again suppressed and the input light fields are nearly completely reflected from the cavity. Thus, the CQED system can act as a perfect absorber or near perfect transmitter/reflector by simply turning off or on of the control laser. Such interference control of the coherent photon-atom interaction in the CQED system should be useful for a variety of applications in optical logical devices.

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Section: Introductionmentioning

confidence: 99%

Interference control of perfect photon absorption in cavity quantum electrodynamics

Wang

Zhu

et al. 2017

Phys. Rev. A

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“…One approach to enhance their sensitivity is to insert a highly dispersive medium inside the cavity. For example, coherent population trapping and EIT have been used to reduce the linewidth of a resonator [8][9][10]. Moreover, it has been argued that the scale factor of a ring laser gyro can be reduced or enhanced depending on the presence of a positive or negative dispersion medium inside the cavity [11,12].…”

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confidence: 99%

Photon lifetime in a cavity containing a slow-light medium

et al. 2011

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We investigate experimentally the lifetime of the photons in a cavity containing a medium exhibiting strong positive dispersion. This intracavity positive dispersion is provided by a metastable helium gas at room temperature in the electromagnetically induced transparency (EIT) regime, in which light propagates at a group velocity of the order of 10 4 m.s −1 . The results definitely prove that the lifetime of the cavity photons is governed by the group velocity of light in the cavity, and not its phase velocity.

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“…5(a) is approximately inversely proportional to the frequency-locking coe cient ⌘ ⇠ @ 0 /@! p [58,59]. The significance of ⌘ is that as it increases the slope of the dispersion increases and the EIT transmission window narrows.…”

Section: Resultsmentioning

confidence: 99%

Intracavity Rydberg-atom electromagnetically induced transparency using a high-finesse optical cavity

et al. 2017

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We present an experimental study of cavity assisted Rydberg atom electromagnetically induced transparency (EIT) using a high-finesse optical cavity (F ⇠ 28000). Rydberg atoms are excited via a two-photon transition in a ladder-type EIT configuration. A three-peak structure of the cavity transmission spectrum is observed when Rydberg EIT is generated inside the cavity. The two symmetrically spaced side peaks are caused by bright-state polaritons, while the central peak corresponds to a dark-state polariton. Anti-crossing phenomenon and the e↵ects of mirror adsorbate electric fields are studied under di↵erent experimental conditions. We determine a lower bound on the coherence time for the system of 7.26 ± 0.06 µs, most likely limited by laser dephasing. The cavity-Rydberg EIT system can be useful for single photon generation using the Rydberg blockade e↵ect, studying many-body physics, and generating novel quantum states amongst many other applications.

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Intracavity electromagnetically induced transparency

Cited by 195 publications

References 10 publications

Interference control of perfect photon absorption in cavity quantum electrodynamics

Interference control of perfect photon absorption in cavity quantum electrodynamics

Photon lifetime in a cavity containing a slow-light medium

Intracavity Rydberg-atom electromagnetically induced transparency using a high-finesse optical cavity

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