Fiber-microsphere system at cryogenic temperatures toward cavity QED using diamond NV centers

Optics Express
Hideaki TakashimaShigeki Takeuchi

Abstract

The coupling of a microsphere resonator to a tapered fiber was demonstrated at cryogenic temperatures (8 - 13 K) and investigated with a probe laser light whose frequency around the zero phonon line of nitrogen vacancy centers in diamond (638 nm). For this purpose, a liquid-helium-flow cryostat with a large sample chamber is developed and a resonance dip with a Q of 2 x 10(6) is observed. The resonance frequency and the coupling condition are found to be stable for a period of one hour.

References

Apr 22, 2003·Optics Letters·Lan Yang, K J Vahala
Sep 14, 2006·Nano Letters·Young-Shin ParkHailin Wang
Dec 11, 2007·Optics Letters·M CaiP C Sercel
Apr 1, 1996·Optics Letters·M L GorodetskyV S Ilchenko

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Citations

Jun 23, 2015·Scientific Reports·Yinlan RuanTanya M Monro
Feb 2, 2015·The Review of Scientific Instruments·A J R MacDonaldJ P Davis
Sep 8, 2011·Nano Letters·Masazumi FujiwaraShigeki Takeuchi
Mar 4, 2011·Optics Express·Akira TanakaShigeki Takeuchi
Mar 7, 2016·Optics Express·Kazuhiko KamitaniShinji Urabe

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