A silicon photonic add-drop filter for quantum emitters

Abstract

Integration of single-photon sources and detectors to silicon-based photonics opens the possibility of complex circuits for quantum information processing. In this work, we demonstrate integration of quantum dots with a silicon photonic add-drop filter for on-chip filtering and routing of telecom single photons. A silicon microdisk resonator acts as a narrow filter that transfers the quantum dot emission and filters the background over a wide wavelength range. Moreover, by tuning the quantum dot emission wavelength over the resonance of the microdisk we can control the transmission of the emitted single photons to the drop and through channels of the add-drop filter. This result is a step toward the on-chip control of single photons using silicon photonics for applications in quantum information processing, such as linear optical quantum computation and boson sampling.

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Cited by in corpus (3)

• Hybrid integration methods for on-chip quantum photonics
• Purcell enhanced and indistinguishable single-photon generation from quantum dots coupled to on-chip integrated ring resonators
• A chiral topological add-drop filter for integrated quantum photonic circuits