157 citations · 429 across the 19 of their papers we have counts for
20 papers
Observation of Electrically Tunable Chirality Inversion in a Slow-Light Waveguide
Xuchao Chen, Savvas Germanis, Nicholas J. Martin +8
We identify chiral inversion points in slow-light, glide-plane-symmetric, photonic-crystal waveguides, defined as fixed locations where the local optical chirality changes sign ove…
Chiral Quantum Optics with Scalable Quantum Dot Dimers
L. Hallacy, D. Hallett, A. Fenzl +8
We present a scalable method for electrically tuning multiple spatially separated quantum dots embedded in photonic crystal waveguides. Ion implantation into the top p-doped layer…
All-optical nonlinear phase modulation in open semiconductor microcavities
Fedor A. Benimetskiy, Paul M. Walker, Anthony Ellul +8
We report a significant advancement in ultra low power light-by-light phase modulation using open semiconductor microcavities in the strong light-matter coupling regime. We achieve…
Flat-band compactons in a two-dimensional driven-dissipative Lieb lattice
Seth Lovett, Paul M. Walker, Anthony Ellul +3
We experimentally study the effect of inter-particle interactions on the flat-band states of a two-dimensional Lieb lattice with drive and dissipation. Exploiting the giant nonline…
Stark Tuning and Charge State Control in Individual Telecom C-Band Quantum Dots
N. J. Martin, A. J. Brash, A. Tomlinson +12
Telecom wavelength quantum dots (QDs) are emerging as a promising solution for generating deterministic single photons compatible with existing fiber optic infrastructure. Emission…
Electro-mechanically tunable, waveguide-coupled photonic-crystal cavities with embedded quantum dots
Luke A. F. Brunswick, Luke Hallacy, René Dost +3
On-chip micro-cavities with embedded quantum emitters provide an excellent platform for high-performance quantum technologies. A major difficulty for such devices is overcoming the…
Waveguide Excitation and Spin Pumping of Chirally Coupled Quantum Dots
Savvas Germanis, Xuchao Chen, René Dost +7
We report on an integrated semiconductor chip where a single quantum dot (QD) is excited in-plane via a photonic-crystal waveguide through its nearest p-shell optical transition. T…
Purcell-Enhanced, Directional Light-Matter Interaction in a Waveguide-Coupled Nanocavity
Nicholas J. Martin, Dominic Hallett, Mateusz Duda +9
We demonstrate electrically tunable, spin-dependent, directional coupling of single photons by embedding quantum dots (QDs) in a waveguide-coupled nanocavity. The directional behav…
Controlling coherence between waveguide-coupled quantum dots
D. Hallett, J. Wiercinski, L. Hallacy +10
We present a novel waveguide design that incorporates a split-diode structure, allowing independent electrical control of transition energies of multiple emitters over a wide range…
Nonlinear Quantum Optics at a Topological Interface Enabled by Defect Engineering
L. Hallacy, N. J. Martin, M. Jalali Mehrabad +11
The integration of topology into photonics has generated a new design framework for constructing robust and unidirectional waveguides, which are not feasible with traditional photo…
Realization of Z topological photonic insulators made from multilayer transition metal dichalcogenides
Tommi Isoniemi, Paul Bouteyre, Xuerong Hu +5
Monolayers of semiconducting transition metal dichalcogenides (TMDs) have long attracted interest for their intriguing optical and electronic properties. Recently TMDs in their qua…
Electrostatic control of nonlinear photonic-crystal polaritons in a monolayer semiconductor
Ekaterina Khestanova, Vanik Shahnazaryan, Valerii K. Kozin +6
Integration of 2D semiconductors with photonic crystal slabs provides an attractive approach to achieve strong light--matter coupling and exciton-polariton formation in a planar ch…
Nonlinear Rydberg exciton-polaritons in CuO microcavities
Maxim Makhonin, Anthonin Delphan, Kok Wee Song +13
Rydberg excitons (analogues of Rydberg atoms in condensed matter systems) are highly excited bound electron-hole states with large Bohr radii. The interaction between them as well…
Topological and conventional nano-photonic waveguides for directional integrated quantum optics
N. J Martin, M. Jalali Mehrabad, X. Chen +12
Chirality in integrated quantum photonics has emerged as a promising route towards achieving scalable quantum technologies with quantum nonlinearity effects. Topological photonic w…
Experimental observation of topological exciton-polaritons in transition metal dichalcogenide monolayers
Mengyao Li, Ivan Sinev, Fedor Benimetskiy +11
The rise of quantum science and technologies motivates photonics research to seek new platforms with strong light-matter interactions to facilitate quantum behaviors at moderate li…
Chiral topological photonics with an embedded quantum emitter
Mahmoud Jalali Mehrabad, Andrew P. Foster, René Dost +3
Topological photonic interfaces support topologically non-trivial optical modes with helical character. When combined with an embedded quantum emitter that has a circularly polaris…
Transition from propagating polariton solitons to a standing wave condensate induced by interactions
M. Sich, J. K. Chana, O. A. Egorov +8
We explore nonlinear transitions of polariton wavepackets, first, to a soliton and then to a standing wave polariton condensate in a multi-mode microwire system. At low polariton d…
Electrical control of nonlinear quantum optics in a nano-photonic waveguide
D. Hallett, A. P. Foster, D. L. Hurst +7
Local control of the generation and interaction of indistinguishable single photons is a key requirement for photonic quantum networks. Waveguide-based architectures, in which embe…
Phonon-assisted population inversion of a single quantum dot
J. H. Quilter, A. J. Brash, F. Liu +6
We demonstrate an approach to realize the population inversion of a single InGaAs/GaAs quantum dot, which is driven by a laser pulse tuned within the neutral exciton phonon sideban…
The effects of spin-dependent interactions on polarisation of bright polariton solitons
M. Sich, F. Fras, J. K. Chana +10
We report on the spin properties of bright polariton solitons supported by an external pump to compensate losses. We observe robust circularly polarised solitons when a circularly…