2 citations · 5 across the 23 of their papers we have counts for
23 papers
Jones-matrix analysis of phase accumulation in a linear-optical multi-pass interferometer
Byoung S. Ham
Quantum information science has traditionally relied on nonclassical resources, such as entangled photon pairs and squeezed states, to achieve measurement performance beyond classi…
Experimental Demonstrations of Coherence de Broglie Wavelength for Scalable Superresolution with Near-perfect Fringe Visibility
S. Kim, B. S. Ham
Quantum sensing and metrology have been extensively investigated over the past several decades to surpass the classical shot noise limit and approach the Heisenberg limit. The hall…
Sagnac interferometer-based noise-free superresolution using phase-controlled quantum erasers
Byoung S. Ham
Interferometer-based precision measurements have been intensively studied for sensing and metrology over the past half century. In classical optics, the resolution and phase sensit…
Coherence analysis of phase-controlled HOM effects
Byoung S. Ham
The second-order intensity correlation of entangled photons has been intensively studied for decades, particularly for the Hong-Ou-Mandel (HOM) effect and nonlocal correlation -- k…
A coherence method generating macroscopic quantum features using polarization-basis control and its projection measurements of laser light
Byoung S. Ham
Quantum entanglement between paired photons is the foundation of optical quantum computing, quantum sensing, and quantum networks. Traditionally, quantum information science has fo…
Coherence analysis of local randomness and nonlocal correlation through polarization-basis projections of entangled photon pairs
B. S. Ham
Polarization-entangled photon pairs generated from second-order nonlinear optical media have been extensively studied for both fundamental research and potential applications of qu…
A quantum spectrometer using a pair of phase-controlled spatial light modulators for superresolution in quantum sensing
Byoung S. Ham
Superresolution is a unique quantum feature generated by N00N states or phase-controlled coherent photons via projection measurements in a Mach-Zehnder interferometer (MZI). Superr…
Reducing of the Uncertainty Product of Coherent Light through Multi-Photon Interference
Sangbae Kim, Joachim Stohr, Fabian Rotermund +1
We demonstrate theoretically and experimentally how the diffraction and interferometric resolution limit for single-mode coherent cw laser light can be overcome by multi-photon int…
Intensity product-based optical sensing to beat the diffraction limit in an interferometer
Byoung S. Ham
The classically defined minimum uncertainty of the optical phase is known as the standard quantum limit or shot-noise limit (SNL) originating in the uncertainty principle of quantu…
Coherently excited superresolution using intensity product of phase-controlled quantum erasers via polarization-basis projection measurements
Byoung S. Ham
Recently, the delayed-choice quantum eraser has been applied for coherently excited superresolution using phase-controlled projection measurements of laser light to overcome the di…
Observations of super-resolution using phase-controlled coherent photons in a delayed-choice quantum eraser scheme
Sangbae Kim, Byoung S. Ham
Super-resolution overcoming the standard quantum limit has been intensively studied for quantum sensing applications of precision target detection over the last decades. Not only h…
Phase-controlled coherent photons for the quantum correlations in a delayed-choice quantum eraser scheme
Byoung S. Ham
The delayed-choice quantum eraser has been intensively studied for the wave-particle duality of a single photon in an interferometric system over the last decades. Coincidence meas…
Coherence manipulations of Poisson-distributed coherent photons for the second-order intensity correlation
Byoung S. Ham
Unlike one-photon (first order) intensity correlation, two-photon (second order) intensity correlation is known to be impossible to achieve by any classical means. Over the last se…
Coherently excited nonlocal quantum features using polarization-frequency correlation between quantum erasers
B. S. Ham
Photon indistinguishability is an essential concept to understanding mysterious quantum features from the viewpoint of the wave-particle duality in quantum mechanics. The physics o…
Coherently induced quantum correlation in a delayed-choice scheme
B. S. Ham
Quantum entanglement is known as a unique quantum feature that cannot be obtained by classical physics. Over the last several decades, however, such an understanding on quantum ent…
A coherence interpretation of nonlocal realism in the delayed-choice quantum eraser
B. S. Ham
The delayed-choice thought experiment proposed by Wheeler has been demonstrated over the last several decades for the wave-particle duality of a single photon. The delayed-choice q…
A coherently excited Franson-type nonlocal correlation
B. S. Ham
Entanglement is the basic building block of quantum technologies whose property is in the unique quantum feature of nonlocal realism. However, such a nonlocal quantum property is k…
Coherently excited Hong-Ou-Mandel effects using frequency-path correlation
B. S. Ham
Nonlocal quantum correlation has been the main issue of quantum mechanics over the last century. The Hong-Ou-Mandel (HOM) effect relates to the two-photon intensity correlation on…
Coherence interpretation of the Hong-Ou-Mandel effect
B. S. Ham
Two-photon intensity correlation of the Hong-Ou-Mandel (HOM) effect has been intensively studied over the last several decades for one of the most interesting quantum features. Acc…
Experimental demonstrations for randomness-based macroscopic Franson-type nonlocal correlation using coherently coupled photons
S. Kim, B. S. Ham
Franson-type nonlocal quantum correlation based on the particle nature of quantum mechanics has been intensively studied for both fundamental physics and potential applications of…
Randomness-based macroscopic Franson-type nonlocal correlation
B. S. Ham
Franson-type nonlocal correlation is a testing tool for Bell inequality violation using noninterfering interferometers, where coincidence measurements involve an interference fring…
On-demand quantum correlation control using coherent photons
B. S. Ham
Over the last several decades, quantum entanglement has been intensively studied for potential applications in quantum information science. Although intensive studies have progress…
Preparation-Attack-Immune Quantum Secure Direct Communication Using Two-Fold Photon Degree of Freedom
Jihong Min, Jeongho Bang, B. S. Ham
Quite recently, enhancing security against device-attack vulnerability has been theoretically challenging but also practically important in quantum cryptographic communication. For…