A Fraunhofer-wavelength magnetooptic atomic filter at 422.7 nm

Chan, Y.C.; Gelbwachs, Jerry A.

doi:10.1109/3.245569

Cited by 33 publications

(6 citation statements)

References 16 publications

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“…Similar FADOFs have been developed for several other alkali atom resonances -Cs D 2 [42] and 6S 1/2 → 7P 3/2 [43,44] lines, Rb D 2 line [45,46], Rb 5S 1/2 → 6P 3/2 [47], K (three lines) [48], Na D lines [49], and for Ca [50]. Several of these show transmission above 90%, and/or linewidths below 1 GHz.…”

Section: A Fadof At the Rb D 1 Linementioning

confidence: 79%

Generation, Characterization and Use of Atom-Resonant Indistinguishable Photon Pairs

Mitchell

2015

Engineering the Atom-Photon Interaction

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We describe the generation of atom-resonant indistinguishable photon pairs using nonlinear optical techniques, their spectral purification using atomic filters, characterization using multi-photon interference, and application to quantumenhanced sensing with atoms. Using either type-I or type-II cavity-enhanced spontaneous parametric down-conversion, we generate pairs of photons in the resonant modes of optical cavities with linewidths comparable to the 6 MHz natural linewidth of the D 1 line of atomic rubidium. The cavities and pump lasers are tuned so that emission occurs in a mode or a pair of orthogonally-polarized modes that are resonant to the D 1 line, at 794.7 nm. The emission from these frequencydegenerate modes is separated from other cavity emission using ultra-narrow atomic frequency filters, either a Faraday anomalous dispersion optical filter (FADOF) with a 445 MHz linewidth and 57 dB of out-of-band rejection or an induced dichroism filter with an 80 MHz linewidth and ≥ 35 dB out-of-band rejection. Using the type-I source, we demonstrate interference of photon pair amplitudes against a coherent state and a new method for full characterization of the temporal wave-function of narrow-band photon pairs. With the type-II source we demonstrate high-visibility super-resolving interference, a high-fidelity atom-tuned NooN state, and quantum enhanced sensing of atoms using indistinguishable photon pairs. arXiv:1502.07615v1 [quant-ph]

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Section: A Fadof At the Rb D 1 Linementioning

confidence: 79%

Generation, Characterization and Use of Atom-Resonant Indistinguishable Photon Pairs

Mitchell

2015

Engineering the Atom-Photon Interaction

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“…Since their first introduction in 1956 [1], Faraday anomalous dispersion optical filters (FADOFs) have been widely studied for some important elements, such as Na [2,3], K [4][5][6][7], Rb [8][9][10][11][12][13][14][15][16][17][18][19][20], Cs [21][22][23][24], Ca [25,26]. Due to excellent properties, such as narrow bandwidth [16,27], high transmission [28,29], and high noise rejection [2][3][4][5], FADOFs are used in many fields such as free space optical communication [30], lidar remote sensing systems [31].…”

Section: Introductionmentioning

confidence: 99%

Faraday laser using 1.2 km fiber as an extended cavity

Tao

Zhang

Pan

et al. 2016

J. Phys. B: At. Mol. Opt. Phys.

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We demonstrate a Faraday laser using a 1.2 km fiber as an extended cavity, which provides optical feedback and obtains small free spectrum range (FSR) of 83 kHz, and have succeeded in limiting the laser frequency to a crossover transition of the natural 87Rb at 780 nm. The Faraday laser is based on a Faraday anomalous dispersion optical filter (FADOF) with an ultra-narrow bandwidth and the long fiber extended cavity of 1.2 km. The peak transmission assigned to the crossover transition in the FADOF is 20.5% with an ultra-narrow bandwidth of 29.1 MHz. The Allan deviation of the Faraday laser is around in 0.06 to 1 s sampling time. Laser frequency is always kept in the center of the transmitted peak assigned to . The Faraday laser realized here can provide light exactly resonant with an atomic transition used for atom–photon interaction experiments and is insensitive to diode temperature and injection current fluctuations.

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“…Narrowband optical filters based on the Faraday anomalous dispersion effect have many advantages such as narrow bandwidth, high transmission rate, high background rejection, wide field of view and it will be able to adapt to the demand of communication technology [4,6]. Therefore as a very efficient filter device, Faraday anomalous dispersion optical filters (FADOFs) have been developed for several atomic resonances: Na D lines [7,8], three K lines [9,10], Rb D 1 and D 2 lines [11][12][13], Cs D 2 lines [14,15] and Ca lines [16].…”

Section: Introductionmentioning

confidence: 99%

Theoretical study on the ultra-narrow bandwidth tunable atomic filter with electromagnetically induced transparency

Liu

Feng

et al. 2016

Laser Phys.

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To obtain the weak signal light detection from the high background noise, we present a theoretical study on the ultra-narrow bandwidth tunable atomic filter with electromagnetically induced transparency. In a three-level Λ-type atomic system in the rubidium D1 line, the bandwidth of the EIT atomic filter is narrowed to ~6.5 MHz. And the single peak transmission of the filter can be up to 86%. Moreover, the transmission wavelength can be tuned by changing the coupling light frequency. This theoretical scheme can also be applied to other alkali atomic systems.

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A Fraunhofer-wavelength magnetooptic atomic filter at 422.7 nm

Cited by 33 publications

References 16 publications

Generation, Characterization and Use of Atom-Resonant Indistinguishable Photon Pairs

Generation, Characterization and Use of Atom-Resonant Indistinguishable Photon Pairs

Faraday laser using 1.2 km fiber as an extended cavity

Theoretical study on the ultra-narrow bandwidth tunable atomic filter with electromagnetically induced transparency

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