Purcell Enhancement of Spontaneous Emission of a Quantum Emitter on a Waveguide
Sushma Gali, Komal Sharma, Jaydeep Kumar Basu, Shankar Kumar Selvaraja
TL;DR
This paper demonstrates how waveguides can enhance spontaneous emission of quantum emitters, combining simulations and experiments to explore Purcell effects for quantum photonics and sensing applications.
Contribution
It provides experimental and simulation evidence of Purcell enhancement of quantum emitters near waveguides, advancing waveguide-based quantum photonic device development.
Findings
Purcell enhancement observed in experiments
Emitter lifetime decreases near waveguides
Effective estimation of waveguide sensor efficiency
Abstract
We investigate the effect of a waveguide on an emitter spontaneous emission in its vicinity. The impact of various possible orientations of an emitter with respect to the waveguide surface is studied through simulations and compared with experimental demonstration. Quantum emitters are dip coated on waveguides and Purcell enhancement and a decrease in the lifetime of the emitter are observed. This study serves as a proof of concept for the Purcell effect offered by waveguides and helps ineffectively estimate the efficiency of waveguide-based evanescent sensors and quantum photonic applications
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Taxonomy
TopicsPhotonic and Optical Devices · Mechanical and Optical Resonators · Quantum Information and Cryptography