Yamil Nieves - Academia.edu (original) (raw)

Papers by Yamil Nieves

arXiv (Cornell University), Jul 14, 2023

Remote clock synchronization is crucial for many classical and quantum network applications. Curr... more Remote clock synchronization is crucial for many classical and quantum network applications. Current state-of-the-art remote clock synchronization techniques achieve femtosecond-scale clock stability utilizing frequency combs, which are supplementary to quantum-networking hardware. Demonstrating an alternative, we synchronize two remote clocks across our freespace testbed using a method called two-way quantum time transfer (QTT). In one second we reach picosecond-scale timing precision under very lossy and noisy channel conditions representative of daytime space-Earth links with commercial off-the-shelf quantum-photon sources and detection equipment. This work demonstrates how QTT is potentially relevant for daytime space-Earth quantum networking and/or providing high-precision secure timing in GPS-denied environments.

Physical review, Jan 18, 2017

We report the experimental investigation of a regime of microscopic Fabry-Perot resonators in whi... more We report the experimental investigation of a regime of microscopic Fabry-Perot resonators in which competing light-induced forces-photothermal expansion and photothermal refractionacting oppositely and on different timescales lead to self-sustained persistent oscillations. Previously concealed as ordinary thermo-optic bistability-a common feature in low-loss resonator physicsthese dynamics are visible as fast pulsations in cavity transmission/reflection measurements at sufficiently high time resolution. Their underlying mathematical description is shared by many slow-fast phenomena in chemistry, biology and neuroscience. Our observations are relevant in particular to microcavity applications in atom optics and cavity quantum electrodynamics, even in nominally rigid structures that have not undergone lithography.

Current progress in fluorescence cell imaging is presented using an SIDH (Self-interference Incoh... more Current progress in fluorescence cell imaging is presented using an SIDH (Self-interference Incoherent Digital Holography) module that does not employ the use of coherent light sources or scanning devices. Future work will include cellular processes.

Physical review, Oct 19, 2020

We investigated third-order correlations between photons from a single quantum dot's resonance fl... more We investigated third-order correlations between photons from a single quantum dot's resonance fluorescence in the strong excitation regime originating from opposite sidebands of the power spectrum. The three-time correlation measurements for photons filtered using three independent Fabry-Perot etalons resulted in correlation maps with "antibunching" features as a consequence of correlations originating from the same sideband, and "bunching ridges" due to opposite sideband correlated photons.

$Research paper thumbnail of Third-Order Frequency-Resolved Photon Correlations from a Single Quantum Dot\u27s Resonance Fluorescence$

The ability to control the photon emission from light sources has sparked an increasing interest ... more The ability to control the photon emission from light sources has sparked an increasing interest in the field of quantum optics due to potential applications in the development of quantum technologies. Motivated by such applications, photon statistics have been a powerful investigative tool used to characterize the properties of light sources capable of emitting a bundle of N photons. As such, the first-order and second-order photon correlations continue to be researched extensively providing invaluable information about the light and the mechanism underlying its generation. Meanwhile, third-order photon correlations have remained majorly unexplored due to the high degree of experimental challenges involving such measurements. This work presents experimental progress towards constructing the complete spectrally filtered three-photon spectrum of the resonance fluorescence generated from a single semiconductor quantum dot under strong monochromatic light excitation, and explores the e...

ABSTRACT From a recent 4450-5300 MHz survey of 20 "Arp220-like" galaxies, the m... more ABSTRACT From a recent 4450-5300 MHz survey of 20 "Arp220-like" galaxies, the molecular spectra of two objects revealed remarkably similar interstellar media to that of Arp 220 (both in composition and physical state.) This is despite both galaxies having much lower FIR luminosities than Arp 220. Using the Double Position Switching (DPS) technique, we have now extended the spectral coverage for these two objects, IC860 and Zw049.057, to include the frequency ranges of 3.0-4.4 and 5.3-10 GHz. From the spectra of both galaxies, we detect the "pre-biotic" molecules, methanimine (CH2NH) in emission (found in the first survey), and hydrogen cyanide (HCN v2=1) in absorption. We also detect in both, formaldehyde (H2CO) in emission at 4.830 and 4.955 MHz, and hydroxyl (OH) in absorption at 4.7 and 6.0 GHz, as well as the 3.335-MHz emission line of methylidyne (CH) in Zw049.057. A number of other possible detections are being further investigated. The detected pair of H2CO lines allowed us to determine a kinetic temperature of 58 K for the Luminous Infra-Red Galaxy, IC860.

Physical Review B, 2020

We investigated third-order correlations between photons from a single quantum dot's resonanc... more We investigated third-order correlations between photons from a single quantum dot's resonance fluorescence in the strong excitation regime originating from opposite sidebands of the power spectrum. The three-time correlation measurements for photons filtered using three independent Fabry-Perot etalons resulted in correlation maps with ``antibunching'' features as a consequence of correlations originating from the same sideband, and ``bunching ridges'' due to opposite sideband correlated photons.

Conference on Lasers and Electro-Optics

We investigated the three-photon spectrum of quantum dot resonance fluorescence, revealing signif... more We investigated the three-photon spectrum of quantum dot resonance fluorescence, revealing significantly more pronounced photon antibunching at the Mollow triplet sidebands and more strongly correlated emission through virtual states than at second order. © 2019 The Author(s)

Biomedical Optics 2016, 2016

Physical Review B

We investigated third-order correlations between photons born in single quantum dot resonance flu... more We investigated third-order correlations between photons born in single quantum dot resonance fluorescence that were filtered with narrow-band tunable etalons. Three-time autocorrelation measurements in which photons were identically filtered resulted in correlation maps that are functions of two relative delays. A comparison with the correlation maps computed using the "sensors method" introduced by del Valle et al. [Phys. Rev. Lett. 109, 183601 (2012)] reveals faithful agreement with theory, with the strongest correlations obtained when filtering between Mollow triplet sidebands and the central peak. We characterized the correlations associated with these virtual transitions, and compared them with correlations at other Mollow triplet frequency windows. Accentuated nonclassical characteristics are amongst the distinguishing features of three photon spectra.

Journal of the Optical Society of America B

Physical Review A

From a recent 4450-5300 MHz survey of 20 "Arp220-like" galaxies, the molecular spectra ... more From a recent 4450-5300 MHz survey of 20 "Arp220-like" galaxies, the molecular spectra of two objects revealed remarkably similar interstellar media to that of Arp 220 (both in composition and physical state.) This is despite both galaxies having much lower FIR luminosities than Arp 220. Using the Double Position Switching (DPS) technique, we have now extended the spectral coverage for these two objects, IC860 and Zw049.057, to include the frequency ranges of 3.0-4.4 and 5.3-10 GHz. From the spectra of both galaxies, we detect the "pre-biotic" molecules, methanimine (CH2NH) in emission (found in the first survey), and hydrogen cyanide (HCN v2=1) in absorption. We also detect in both, formaldehyde (H2CO) in emission at 4.830 and 4.955 MHz, and hydroxyl (OH) in absorption at 4.7 and 6.0 GHz, as well as the 3.335-MHz emission line of methylidyne (CH) in Zw049.057. A number of other possible detections are being further investigated. The detected pair of H2CO lines a...