Ryan Aguinaldo
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View article: Stokes Parameters and Dual Classical-Quantum Signaling
Stokes Parameters and Dual Classical-Quantum Signaling Open
Catering to emerging satellite-based free-space optical (FSO) communication networks and exploiting polarization encoding via Stokes operators, we propose a novel simultaneous quantum-classical communications (SQCC) protocol. The protocol …
View article: Enhanced Simultaneous Quantum-Classical Communications Under Composable Security
Enhanced Simultaneous Quantum-Classical Communications Under Composable Security Open
Simultaneous quantum-classical communications (SQCC) protocols are a family of continuous-variable quantum key distribution (CV-QKD) protocols which allow for quantum and classical symbols to be integrated concurrently on the same optical …
View article: Classical and quantum frequency combs for satellite-based clock synchronization
Classical and quantum frequency combs for satellite-based clock synchronization Open
The next generation of space-based networks for communications, sensing, and navigation will contain optical clocks embedded within satellites. To fully realize the capabilities of such clocks, high-precision clock synchronization across t…
View article: Exploiting Spatial Diversity in Earth-to-Satellite Quantum-Classical Communications
Exploiting Spatial Diversity in Earth-to-Satellite Quantum-Classical Communications Open
Despite being an integral part of the vision of quantum Internet, Earth-to-satellite (uplink) quantum communications have been considered more challenging than their satellite-to-Earth (downlink) counterparts due to the severe channel-loss…
View article: Classical and Quantum Frequency Combs for Satellite-based Clock Synchronization
Classical and Quantum Frequency Combs for Satellite-based Clock Synchronization Open
The next generation of space-based networks will contain optical clocks embedded within satellites. To fully realize the capabilities of such clocks, high-precision clock synchronization across the networks will be necessary. Current exper…
View article: Quantum-Amplified Simultaneous Quantum-Classical Communications
Quantum-Amplified Simultaneous Quantum-Classical Communications Open
Classical free-space optical (FSO) communication promises massive data throughput rates relative to traditional wireless technologies - an attractive outcome now being pursued in the context of satellite-ground, inter-satellite and deep-sp…
View article: Classical-quantum dual encoding for laser communications in space
Classical-quantum dual encoding for laser communications in space Open
In typical laser communications classical information is encoded by modulating the amplitude of the laser beam and measured via direct detection. We add a layer of security using quantum physics to this standard scheme, applicable to free-…
View article: Quantum super-resolution with balanced homodyne detection in low-earth-orbit
Quantum super-resolution with balanced homodyne detection in low-earth-orbit Open
Quantum super-resolution involves resolving two sources below the Rayleigh limit using quantum optics. Such a technique would allow high-precision inter-satellite positioning and tracking on communication and navigation constellations. Due…
View article: Quantum Super-Resolution with Balanced Homodyne Detection in Low-Earth-Orbit
Quantum Super-Resolution with Balanced Homodyne Detection in Low-Earth-Orbit Open
Quantum super-resolution involves resolving two sources below the Rayleigh limit using quantum optics. Such a technique would allow high-precision inter-satellite positioning and tracking on communication and navigation constellations. Due…
View article: LEO Clock Synchronization with Entangled Light
LEO Clock Synchronization with Entangled Light Open
Precision navigation and timing, very-long-baseline interferometry, next-generation communication, sensing, and tests of fundamental physics all require a highly synchronized network of clocks. With the advance of highly-accurate optical a…
Protecting Classical-Quantum Signals in Free Space Optical Channels Open
Due to turbulence and tracking errors, free-space optical channels involving mobile transceivers are characterized by a signal's partial loss or complete erasure. This work presents an error correction protocol capable of protecting a sign…
View article: Quantum Super-resolution in Low-Earth-Orbit
Quantum Super-resolution in Low-Earth-Orbit Open
Super-resolution involves resolving two incoherent sources beyond the Rayleigh limit. We show that a balanced homodyne detection apparatus in low-earth-orbit, despite quantum noise sources, can achieve sensitivity beyond this limit. Creati…
Teleportation of discrete-variable qubits via continuous-variable lossy channels Open
The Continuous-Variable (CV) quantum state of light allows for the teleportation of a Discrete-Variable (DV) photonic qubit. Such an operation is useful in the realm of hybrid quantum networks. However, it is known that the teleportation o…
Temporal Modes of Light in Satellite-to-Earth Quantum Communications Open
The photonic Temporal Mode (TM) represents a possible candidate for the delivery of viable multidimensional quantum communications. However, relative to other multidimensional quantum information carriers such as the Orbital Angular Moment…
Compact silicon photonic resonance-assisted variable optical attenuator Open
A two-part silicon photonic variable optical attenuator is demonstrated in a compact footprint which can provide a high extinction ratio at wavelengths between 1520 nm and 1620 nm. The device was made by following the conventional p-i-n wa…