Observation of strong coupling through transmission modification of a cavity-coupled photonic crystal waveguide | Zendy

Ranojoy Bose | Zendy; Deepak Sridharan | Zendy; Glenn S. Solomon | Zendy; Edo Waks | Zendy

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Observation of strong coupling through transmission modification of a cavity-coupled photonic crystal waveguide

Author(s) -

Ranojoy Bose,

Deepak Sridharan,

Glenn S. Solomon,

Edo Waks

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.005398

Subject(s) - photonic crystal , waveguide , coupling (piping) , optics , cavity quantum electrodynamics , optoelectronics , materials science , photon , transmission (telecommunications) , photonics , scattering , coupled mode theory , photonic integrated circuit , quantum dot , physics , quantum , refractive index , telecommunications , quantum mechanics , computer science , open quantum system , metallurgy

We investigate strong coupling between a single quantum dot (QD) and photonic crystal cavity through transmission modification of an evanescently coupled waveguide. Strong coupling is observed through modification of both the cavity scattering spectrum and waveguide transmission. We achieve an overall Q of 5800 and an exciton-photon coupling strength of 21 GHz for this integrated cavity-waveguide structure. The transmission contrast for the bare cavity mode is measured to be 24%. These results represent important progress towards integrated cavity quantum electrodynamics using a planar photonic architecture.

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