Progress in hollow core photonic crystal fiber for atomic vapour based coherent optics
Bradley, T. D., Wang, Y., Alharbi, M., Fourcade Dutin, C., Mangan, B. J., Wheeler, N. V. and Benabid, F., 2012. Progress in hollow core photonic crystal fiber for atomic vapour based coherent optics. Proceedings of SPIE - The International Society for Optical Engineering, 8273, 82730O.
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We report on progress in different hollow core photonic crystal fiber (HC-PCF) design and fabrication for atomic vapor based applications. We have fabricated a Photonic bandgap (PBG) guiding HC-PCF with a record loss of 107dB/km at 785nm in this class of fiber. A double photonic bandgap (DPBG) guiding HC-PCF with guidance bands centred at 780nm and 1064nm is reported. A 7-cell 3-ring Kagome HC-PCF with hypocycloid core is reported, the optical loss at 780nm has been reduced to 70dB/km which to the best of our knowledge is the lowest optical loss reported at this wavelength using HC-PCF. Details on experimental loading of alkali metal vapours using a far off red detuned laser are reported. This optical loading has been shown to decrease the necessary loading time for Rb into the hollow core of a fiber. The quantity of Rb within the fiber core has been enhanced by a maximum of 14% through this loading procedure.
|Creators||Bradley, T. D., Wang, Y., Alharbi, M., Fourcade Dutin, C., Mangan, B. J., Wheeler, N. V. and Benabid, F.|
|Departments||Faculty of Science > Physics|
|Research Centres||Centre for Photonics and Photonic Materials|
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