Generation of Coherent Quantum Light from a Single Impurity-Bound Exciton
| Title: | Generation of Coherent Quantum Light from a Single Impurity-Bound Exciton |
|---|---|
| Authors: | Jiang, Yuxi, Falter, Christine, Pettit, Robert M., Driesch, Nils von den, Kutovyi, Yurii, Herfati, Amirehsan Alizadeh, Pawlis, Alexander, Waks, Edo |
| Publication Year: | 2024 |
| Collection: | Physics (Other) Quantum Physics |
| Subject Terms: | Quantum Physics, Physics - Optics |
| More Details: | Impurity-bound excitons in II-VI direct-bandgap semiconductors are promising optically active solid-state spin qubits that combine exceptional optical quantum efficiency with an ultra-low spin noise environment. Previous studies on single impurities relied on incoherent optical excitation to generate photons. However, many quantum applications require resonant driving of quantum emitters to precisely control optical transitions and maintain coherence of the emission. Here, we demonstrate coherent optical emission of quantum light from a resonantly driven single impurity-bound exciton in ZnSe. The resonantly driven emitter exhibits bright quantum light emission that preserves the phase of the resonant drive, validated through polarization interferometry. Resonant excitation enables us to directly measure the Debye-Waller factor, determined to be 0.94, which indicates high efficiency emission to the zero-phonon line. Time-resolved resonance fluorescence measurements reveal a fast optically-driven ionization process that we attribute to Auger recombination, along with a slower spontaneous ionization process having a lifetime of 21 {\mu}s due to charge tunneling from the impurity. We show that incoherent, low-power laser pumping efficiently stabilizes the charge of the impurity-bound exciton on the timescale of 9.3 ns, recovering the resonance fluorescence emission from the bound exciton. These results pave the way for coherent optical and spin control of the single impurity states through resonant excitation of impurity-bound excitons in II-VI semiconductors. Comment: 17 pages, 4 figures |
| Document Type: | Working Paper |
| Access URL: | http://arxiv.org/abs/2412.01677 |
| Accession Number: | edsarx.2412.01677 |
| Database: | arXiv |
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| Items | – Name: Title Label: Title Group: Ti Data: Generation of Coherent Quantum Light from a Single Impurity-Bound Exciton – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Jiang%2C+Yuxi%22">Jiang, Yuxi</searchLink><br /><searchLink fieldCode="AR" term="%22Falter%2C+Christine%22">Falter, Christine</searchLink><br /><searchLink fieldCode="AR" term="%22Pettit%2C+Robert+M%2E%22">Pettit, Robert M.</searchLink><br /><searchLink fieldCode="AR" term="%22Driesch%2C+Nils+von+den%22">Driesch, Nils von den</searchLink><br /><searchLink fieldCode="AR" term="%22Kutovyi%2C+Yurii%22">Kutovyi, Yurii</searchLink><br /><searchLink fieldCode="AR" term="%22Herfati%2C+Amirehsan+Alizadeh%22">Herfati, Amirehsan Alizadeh</searchLink><br /><searchLink fieldCode="AR" term="%22Pawlis%2C+Alexander%22">Pawlis, Alexander</searchLink><br /><searchLink fieldCode="AR" term="%22Waks%2C+Edo%22">Waks, Edo</searchLink> – Name: DatePubCY Label: Publication Year Group: Date Data: 2024 – Name: Subset Label: Collection Group: HoldingsInfo Data: Physics (Other)<br />Quantum Physics – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Quantum+Physics%22">Quantum Physics</searchLink><br /><searchLink fieldCode="DE" term="%22Physics+-+Optics%22">Physics - Optics</searchLink> – Name: Abstract Label: Description Group: Ab Data: Impurity-bound excitons in II-VI direct-bandgap semiconductors are promising optically active solid-state spin qubits that combine exceptional optical quantum efficiency with an ultra-low spin noise environment. Previous studies on single impurities relied on incoherent optical excitation to generate photons. However, many quantum applications require resonant driving of quantum emitters to precisely control optical transitions and maintain coherence of the emission. Here, we demonstrate coherent optical emission of quantum light from a resonantly driven single impurity-bound exciton in ZnSe. The resonantly driven emitter exhibits bright quantum light emission that preserves the phase of the resonant drive, validated through polarization interferometry. Resonant excitation enables us to directly measure the Debye-Waller factor, determined to be 0.94, which indicates high efficiency emission to the zero-phonon line. Time-resolved resonance fluorescence measurements reveal a fast optically-driven ionization process that we attribute to Auger recombination, along with a slower spontaneous ionization process having a lifetime of 21 {\mu}s due to charge tunneling from the impurity. We show that incoherent, low-power laser pumping efficiently stabilizes the charge of the impurity-bound exciton on the timescale of 9.3 ns, recovering the resonance fluorescence emission from the bound exciton. These results pave the way for coherent optical and spin control of the single impurity states through resonant excitation of impurity-bound excitons in II-VI semiconductors.<br />Comment: 17 pages, 4 figures – Name: TypeDocument Label: Document Type Group: TypDoc Data: Working Paper – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="http://arxiv.org/abs/2412.01677" linkWindow="_blank">http://arxiv.org/abs/2412.01677</link> – Name: AN Label: Accession Number Group: ID Data: edsarx.2412.01677 |
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| RecordInfo | BibRecord: BibEntity: Subjects: – SubjectFull: Quantum Physics Type: general – SubjectFull: Physics - Optics Type: general Titles: – TitleFull: Generation of Coherent Quantum Light from a Single Impurity-Bound Exciton Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Jiang, Yuxi – PersonEntity: Name: NameFull: Falter, Christine – PersonEntity: Name: NameFull: Pettit, Robert M. – PersonEntity: Name: NameFull: Driesch, Nils von den – PersonEntity: Name: NameFull: Kutovyi, Yurii – PersonEntity: Name: NameFull: Herfati, Amirehsan Alizadeh – PersonEntity: Name: NameFull: Pawlis, Alexander – PersonEntity: Name: NameFull: Waks, Edo IsPartOfRelationships: – BibEntity: Dates: – D: 02 M: 12 Type: published Y: 2024 |
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