26 citations · 144 across the 28 of their papers we have counts for
29 papers
Optical injection locking of white light cavity based superluminal lasers
Jacob Scheuer, Zifan Zhou, Yael Sternfeld +2
Optical injection locking is a simple method for synchronizing a laser to an external laser source by injecting part of the external laser light into the cavity of the other laser.…
Modified One-Axis-Twist Squeezing for Deterministic Orientation Control of Schrödinger Cat States with Unknown Atom-Number Parity
Jinyang Li, Selim M. Shahriar
The Schrödinger cat state protocol (SCSP) makes use of a Schrödinger cat (SC) state generated with one-axis-twist squeezing (OATS) to enhance the sensitivity. In principle, the SCS…
Impact of spontaneous emission on spin-squeezed quantum sensors
Jinyang Li, Selim M. Shahriar
The echo squeezing protocols (ESPs) are techniques that amplify the phase shift in a quantum sensor with one-axis-twist squeezing (OATS). For atomic sensors, spontaneous emission (…
Algorithm for solving a pump-probe model for an arbitrary number of energy levels
Zifan Zhou, Yael Sternfeld, Jacob Scheuer +1
We describe a generalized algorithm for evaluating the steady-state solution of the density matrix equation of motion, for the pump-probe scheme, when two fields oscillating at dif…
Strong frequency correlation and anti-correlation between a Raman laser and its pump laser for positive and negative dispersions
Zifan Zhou, Ruoxi Zhu, Selim M. Shahriar
We show that the frequency of a Raman laser is highly correlated or anti-correlated with the frequency of the Raman pump laser, depending on whether the dispersion experienced by t…
High-speed Opto-electronic Pre-processing of Polar Mellin Transform for Shift, Scale and Rotation Invariant Image Recognition at Record-Breaking Speeds
Julian Gamboa, Xi Shen, Tabassom Hamidfar +1
Space situational awareness demands efficient monitoring of terrestrial sites and celestial bodies, necessitating advanced target recognition systems. Current target recognition sy…
Ultrafast Image Retrieval from a Holographic Memory Disc for High-Speed Operation of a Shift, Scale, and Rotation Invariant Target Recognition System
Julian Gamboa, Xi Shen, Tabassom Hamidfar +1
The hybrid opto-electronic correlator (HOC) architecture has been shown to be able to detect matches in a shift, scale, and rotation invariant (SSRI) manner by incorporating a pola…
Rapid Generation of a Macroscopic Schrödinger Cat State of Atoms with Parity-Independent Orientation
Jinyang Li, Gregorio R. M. da Silva, Schuyler Kain +1
We show that using the process of one-axis-twist squeezing in an echo configuration, it is possible to control the orientation of the macroscopic magnetic moment of a large number…
Spin squeezing enhanced dual species atom interferometric accelerometer employing large momentum transfer for precision test of the equivalence principle
Jinyang Li, Gregório R. M. da Silva, Schuyler Kain +4
We theoretically investigate the feasibility of applying spin squeezing to a light pulse atom interferometer in the presence of large momentum transfer using off-resonant Raman tra…
A generalized echo squeezing protocol with near-Heisenberg limit sensitivity and strong robustness against excess noise and variation in squeezing parameter
Jinyang Li, Gregório R. M. da Silva, Schuyler Kain +1
We present a generalized echo squeezing protocol (GESP) as a generalization of the Schrödinger cat state protocol (SCSP) with the value of the squeezing parameter being an arbitrar…
Multi-axis Accelerometry and Rotation Sensing using a Point Source Atom Interferometer
Jinyang Li, Gregório R. M. da Silva, Jason Bonacum +2
A point source atom interferometer (PSI) is a device where atoms are split and recombined by applying a temporal sequence of Raman pulses during the expansion of a cloud of cold at…
Spin Squeezing Induced Enhancement of Sensitivity of an Atomic Clock using Coherent Population Trapping
Jinyang Li, Gregório R. M. da Silva, Schuyler Kain +3
The coherent population trapping (CPT) effect is used for making compact atomic clocks. There are two types of CPT clocks: the one in which the Raman beams are applied continuously…
High sensitivity multi-axes rotation sensing using large momentum transfer point source atom interferometry
Jinyang Li, Gregório R. M. da Silva, Wayne C. Huang +3
A point source interferometer (PSI) is a device where atoms are split and recombined by applying a temporal sequence of Raman pulses during the expansion of a cloud of cold atoms b…
Beyond the Petermann limit: can exceptional points increase sensor precision?
David D. Smith, Hongrok Chang, Eugeniy Mikhailov +1
Experiments near the lock-in region in maximally dissipative non-Hermitian systems, e.g., conventional laser gyroscopes near the deadband, have run up against the Petermann limit,…
Phase-locked bi-frequency Raman lasing in a double- system
Hadiseh Alaeian, Selim Shahriar
We show that it is possible to realize simultaneous Raman lasing at two different frequencies using a double- system pumped by a bi-frequency field. The Raman lasers are phase-l…
Enhancing Sensitivity of an Atom Interferometer to the Heisenberg Limit using Increased Quantum Noise
Renpeng Fang, Resham Sarkar, Selim M. Shahriar
In a conventional atomic interferometer employing atoms, the phase sensitivity is at the standard quantum limit: . Using spin-squeezing, the sensitivity can be incr…
Ultra-high Compton Frequency, Parity Independent, Mesoscopic Schrödinger Cat Atom Interferometer with Heisenberg Limited Sensitivity
Resham Sarkar, Renpeng Fang, Selim M. Shahriar
We present a protocol for an atomic interferometer that reaches the Heisenberg Limit (HL), within a factor of , via collective state detection and critical tuning…
Fast-light Enhanced Brillouin Laser Based Active Fiber Optics Sensor for Simultaneous Measurement of Rotation and Acceleration
Minchuan Zhou, Zifan Zhou, Mohamed Fouda +3
We have developed a conceptual design for an Active Fast Light Fiber Optic Sensor (AFLIFOS) that can perform simultaneously or separately as a gyroscope (differential mode effect)…
Negative dispersion medium at 1064 nm in an optomechanical resonator for enhancing the sensitivity bandwidth in a gravitational-wave detector
Minchuan Zhou, Selim M. Shahriar
Recently, we had proposed an optically-pumped five-level Gain EIT (GEIT) system, which has a transparency dip superimposed on a gain profile and exhibits a negative dispersion suit…
Realization of Gain with Electromagnetically Induced Transparency System with Non-degenerate Zeeman Sublevels in Rb
Minchuan Zhou, Zifan Zhou, Selim M. Shahriar
Previously, we had proposed an optically-pumped five-level Gain EIT (GEIT) system, which has a transparency dip superimposed on a gain profile and exhibits a negative dispersion su…
All Optical Three Dimensional Spatio-Temporal Correlator for Automatic Event Recognition Using a Multiphoton Atomic System
Mehjabin S. Monjur, Mohamed F. Fouda, Selim M. Shahriar
We describe an automatic event recognition (AER) system based on a three-dimensional spatio-temporal correlator (STC) that combines the techniques of holographic correlation and ph…
Catastrophic breakdown of the Caves model for quantum noise in some phase-insensitive linear amplifiers or attenuators based on atomic systems
Minchuan Zhou, Zifan Zhou, Selim M. Shahriar
When considering the effect of quantum noise (QN) in a phase-insensitive linear amplifier or attenuator, it is customary to use the single channel Caves model (SC-CM). Although thi…
An N-atom Collective State Atomic Interferometer with Ultra-High Compton Frequency and Ultra-Short de Broglie Wavelength, with root-N Reduction in Fringe Width
Resham Sarkar, May E. Kim, Renpeng Fang +1
We describe a collective state atomic interferometer (COSAIN) with the signal fringe as a function of phase-difference or rotation narrowed by compared to a conventional…
Quantum noise limits in white-light-cavity-enhanced gravitational wave detectors
Minchuan Zhou, Zifan Zhou, Selim M. Shahriar
Previously, we had proposed a gravitational wave detector that incorporates the white-light-cavity (WLC) effect using a compound cavity for signal recycling (CC-SR). Here, we first…