Progress in hollow core photonic crystal fiber for atomic vapour based coherent optics

T. D. Bradley; Y. Y. Wang; M. Alharbi; C. Fourcade Dutin; B. J. Mangan; N. V. Wheeler; F. Benabid

doi:10.1117/12.915281

8 February 2012 Progress in hollow core photonic crystal fiber for atomic vapour based coherent optics

T. D. Bradley, Y. Y. Wang, M. Alharbi, C. Fourcade Dutin, B. J. Mangan, N. V. Wheeler, F. Benabid

Proceedings Volume 8273, Advances in Slow and Fast Light V; 82730O (2012) https://doi.org/10.1117/12.915281
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

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.

Citation Download Citation

T. D. Bradley, Y. Y. Wang, M. Alharbi, C. Fourcade Dutin, B. J. Mangan, N. V. Wheeler, and F. Benabid "Progress in hollow core photonic crystal fiber for atomic vapour based coherent optics", Proc. SPIE 8273, Advances in Slow and Fast Light V, 82730O (8 February 2012); https://doi.org/10.1117/12.915281

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