Malhotra, T., Ge, R.-C., Kamandar Dezfouli, M., Badolato, A. , Vamivakas, N. and Hughes, S. (2016) Quasinormal mode theory and design of on-chip single photon emitters in photonic crystal coupled-cavity waveguides. Optics Express, 24(12), pp. 13574-13583. (doi: 10.1364/OE.24.013574) (PMID:27410373)
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Abstract
Using a quasinormal mode (QNM) theory for open cavity systems, we present detailed calculations and designs of a photonic crystal nanocavity (PCN) side-coupled to a photonic crystal waveguide (PCW) for on-chip single photon source applications. We investigate various cavity-waveguide geometries using an L3 PCN coupled to a W1 PCW, obtaining the quality factors, effective mode volumes, and single photon Purcell factors of the complete loaded cavity-waveguide system as a function of spatial separation between the two. We also show that the quality factor does not monotonically increase with increasing separation between the PCN and PCW, and we identify a particular hole/defect which acts as the key structural parameter in the cavity-waveguide coupling.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Badolato, Professor Antonio |
| Authors: | Malhotra, T., Ge, R.-C., Kamandar Dezfouli, M., Badolato, A., Vamivakas, N., and Hughes, S. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | Optics Express |
| Publisher: | Optical Society of America |
| ISSN: | 1094-4087 |
| ISSN (Online): | 1094-4087 |
| Published Online: | 10 June 2016 |
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