Optimizing the quantum interference between single photons and local oscillator with photon correlations
arXiv:2504.12111 · doi:10.1088/2058-9565/ae0a7a
Abstract
The quantum interference between a coherent state and a single photon is an important tool in continuous variable optical quantum technologies to characterize and engineer non-Gaussian quantum states. Semiconductor quantum dots, which have recently emerged as a key platform for efficient single-photon generation, could become interesting assets in this context. An essential parameter for interfering single photons and classical fields is the mean wavepacket overlap between both fields. Here, we report on two homodyne photon-correlation techniques enabling the precise measurement of the overlap between a single photon generated by a quantum dot-cavity device and pulsed laser light. The different statistics of interfering fields lead to specific signatures of the quantum interference on the photon correlations at the output of the interfering beam splitter. We compare the behavior of maximized overlap, measuring either the Hong-Ou-Mandel visibility between both outputs or the photon bunching at a single output. Through careful tailoring of the laser light in various degrees of freedom, we maximize the overlap to , with limitations primarily due to mismatched spectral and temporal profiles and low-frequency charge noise in the single-photon source.
References in corpus (31)
- Measurement-device-independent quantum key distribution
- Near optimal single photon sources in the solid state
- Continuous-variable optical quantum state tomography
- On-Demand Single Photons with High Extraction Efficiency and Near-Unity Indistinguishability from a Resonantly Driven Quantum Dot in a Micropillar
- A bright and fast source of coherent single photons
- Controlled light-matter coupling for a single quantum dot embedded in a pillar microcavity using far-field optical lithography
- Twin-Field Quantum Key Distribution over 511 km Optical Fiber Linking two Distant Metropolitans
- Experimental nonclassicality of single-photon-added thermal light states
- Quantum-optical catalysis: generating "Schroedinger kittens" by means of linear optics
- A dark-field microscope for background-free detection of resonance fluorescence from single semiconductor quantum dots operating in a set-and-forget mode
- Bright Polarized Single-Photon Source Based on a Linear Dipole
- Synthesis and tomographic characterization of the displaced Fock state of light
- Reducing phonon-induced decoherence in solid-state single-photon sources with cavity quantum electrodynamics
- Non-Gaussian and Gottesman-Kitaev-Preskill state preparation by photon catalysis
- Observation of micro-macro entanglement of light
- Squeezing the quantum noise of a gravitational-wave detector below the standard quantum limit
- Hong-Ou-Mandel Interference with Imperfect Single Photon Sources
- Statistics of photon-subtracted and photon-added states
- Generation of non-classical light in a photon-number superposition
- Experimental analysis of energy transfers between a quantum emitter and light fields
- Interference of dissimilar photon sources
- Exploring Macroscopic Entanglement with a Single Photon and Coherent States
- Producing high fidelity single photons with optimal brightness via waveguided parametric down-conversion
- On-chip interference of single photons from an embedded quantum dot and an external laser
- Fault-tolerant quantum computation by hybrid qubits with bosonic cat-code and single photons
- Interference with a Quantum Dot Single-Photon Source and a Laser at Telecom Wavelength
- Cross-polarization extinction enhancement and spin-orbit coupling of light for quantum-dot cavity-QED spectroscopy
- Characteristics of displaced single photons attained via higher order factorial moments
- Qubit teleportation between a memory-compatible photonic time-bin qubit and a solid-state quantum network node
- Towards experimental demonstration of quantum position verification using true single photons
- Indistinguishability-induced classical-to-nonclassical transition of photon statistics