| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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High-Q Microcavity in Two-Dimensional Diamond Photonic Crystal Thin Films Realized via a Mode Gap |
| ZHOU Chang-Zhu, XIONG Zhi-Gang, LI Zhi-Yuan |
| Laboratory of Optical Physics, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, PO Box 603, Beijing 100190 |
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| Cite this article: |
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ZHOU Chang-Zhu, XIONG Zhi-Gang, LI Zhi-Yuan 2009 Chin. Phys. Lett. 26 094201 |
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Abstract We design high quality factor (Q) photonic crystal microcavities in diamond films for applications in quantum information based on color centers. A photonic microcavity made from a waveguide heterostructure with a mode gap is demonstrated to have a high Q factor over 1051400 and a modal volume V of 2.24 cubic wavelengths by modifying the mode gap width and the tapered region geometry. Besides its ultrahigh Q factor, the waveguide-like geometry of the cavity allows for easy on-chip transportation of quantum information between different cavities.
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| Keywords:
42.70.Qs
42.82.Gw
42.55.Sa
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Received: 19 December 2008
Published: 28 August 2009
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| PACS: |
42.70.Qs
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(Photonic bandgap materials)
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42.82.Gw
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(Other integrated-optical elements and systems)
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42.55.Sa
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(Microcavity and microdisk lasers)
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