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We report on specific signatures of squeezing for time-modulated light fields. We show that application of periodically-modulated driving fields instead of continuous wave fields drastically improves the degree of quadrature integral…

Quantum Physics · Physics 2007-05-23 H. Adamyan , J. Bergou , N. Gevorgyan , G. Kryuchkyan

Electromagnetically-induced transparency (EIT) has been proposed as a way to greatly enhance cross-phase modulation, with the possibility of leading to few-photon-level optical nonlinearities. This enhancement grows as the transparency…

Atomic Physics · Physics 2016-01-27 Amir Feizpour , Greg Dmochowski , Aephraim M. Steinberg

We propose a triply-resonant electro-optic modulator architecture which maximizes modulation efficiency using simultaneous resonant enhancement of the RF drive signal, the optical pump, and the generated optical sideband. Optical…

Optics · Physics 2020-05-20 Hayk Gevorgyan , Anatol Khilo , Yossef Ehrlichman , Miloš Popović

Echoed conditional displacement (ECD) gates for bosonic systems have become the key element for real-time quantum error correction beyond the break-even point. These gates are characterized by a single complex parameter $\beta$, and can be…

Quantum Physics · Physics 2024-08-13 Maxime Lapointe-Major , Yongchao Tang , Mehmet Canturk , Pooya Ronagh

A novel concept of self-phasematched optical frequency conversion in dispersive dielectric microcavities is studied theoretically and experimentally. We develop a time-dependent model, incorporating the dispersion into the structure of the…

Optics · Physics 2009-11-13 Alex Hayat , Meir Orenstein

We introduce a family of hybrid discretisations for the numerical approximation of optimal control problems governed by the equations of immiscible displacement in porous media. The proposed schemes are based on mixed and discontinuous…

Numerical Analysis · Mathematics 2019-05-02 S. Kumar , R. Ruiz Baier , R. Sandilya

This paper presents the harmonic state space (HSS) modeling of a three-phase modular multilevel converter (MMC). MMC is a converter system with a typical multi-frequency response due to its significant harmonics in the arm currents,…

Systems and Control · Computer Science 2017-07-03 Jing Lyu , Marta Molinas , Xu Cai

We studied generation and dynamics of solitonic pulses, platicons, at normal group velocity dispersion due to the pump amplitude modulation. We proposed, that if the required frequency of amplitude modulation is too large for available…

This paper explores the design of constant modulus Matched-Illumination (MI) waveforms using the Multi-Tone Sinusoidal Frequency Modulation (MTSFM) waveform model. MI waveforms are optimized for detecting targets in known noise and clutter…

Signal Processing · Electrical Eng. & Systems 2021-05-26 Kaushallya Adhikari , David A. Hague

We present a framework for designing optimal optical pulses for the matter-wave splitting of a Bose-Einstein Condensate (BEC) under the influence of experimental inhomogeneities, so that the sample is transferred from an initial rest…

Optimization and Control · Mathematics 2024-03-01 Andre Luiz P. de Lima , Andrew K. Harter , Michael J. Martin , Anatoly Zlotnik

Single epitaxially-grown semiconductor quantum dots have great potential as single photon sources for photonic quantum technologies, though in practice devices often exhibit non-ideal behavior. Here, we demonstrate that amplitude modulation…

Quantum Physics · Physics 2013-03-08 Serkan Ates , Imad Agha , Angelo Gulinatti , Ivan Rech , Antonio Badolato , Kartik Srinivasan

Internal oscillations in switched antenna transmitters cause undesirable fluctuations of the stored energy in the system, reducing the effectiveness of time-varying broadbanding methods, such as energy-synchronous direct antenna modulation.…

Signal Processing · Electrical Eng. & Systems 2021-08-23 Danyang Huang , Kurt Schab , Joseph Dusenbury , Brandon Sluss , Jacob Adams

Unbalance issues in low-voltage distribution networks (LVDN) can be worsened by increasing penetration of residential PV generation if unevenly distributed among three phases. To address this issue, the phase-switching device (PSD) provides…

Optimization and Control · Mathematics 2022-02-15 Bin Liu , Frederik Geth , Nariman Mahdavi , Jiangxia Zhong

In this article, the optimal control problem for a harmonic oscillator with an inequality constraint is considered. The applied energy of the oscillator during a fixed final time period is used as the performance criterion. The analytical…

Systems and Control · Electrical Eng. & Systems 2023-10-02 Mi Zhou , Erik I Verriest , Chaouki Abdallah

Voltage regulation under conventional grid-forming controllers is tightly coupled to power sharing and dc-link dynamics. Consequently, its tracking accuracy deteriorates during grid faults, sudden power sharing changes, or dc-bus voltage…

Systems and Control · Electrical Eng. & Systems 2025-07-02 Qianxi Tang , Li Peng , Xuefeng Wang , Xinchen Yao

In this work we have tried to study the interesting dynamics of Airy pulse under phase modulation. We investigate the role of linear, quadratic and cubic phase modulation on Airy pulse dynamics in pure linear regime. As a specific example,…

Optics · Physics 2018-03-20 Aritra Banerjee , Samudra Roy

Symplectic integration algorithms have become popular in recent years in long-term orbital integrations because these algorithms enforce certain conservation laws that are intrinsic to Hamiltonian systems. For problems with large variations…

Astrophysics · Physics 2007-05-23 Man Hoi Lee , Martin J. Duncan , Harold F. Levison

We analyze the simultaneous time-optimal control of two-spin systems. The two non coupled spins which differ in the value of their chemical offsets are controlled by the same magnetic fields. Using an appropriate rotating frame, we restrict…

Quantum Physics · Physics 2015-05-19 E. Assemat , M. Lapert , Y. Zhang , M. Braun , S. J. Glaser , D. Sugny

We address the Selective Harmonic Modulation (SHM) problem in power electronic engineering, consisting in designing a multilevel staircase control signal with some prescribed frequencies to improve the performances of a converter. In this…

Optimization and Control · Mathematics 2021-12-21 Umberto Biccari , Enrique Zuazua

The performance of Zak-OTFS modulation is critically dependent on the choice of the delay-Doppler (DD) domain pulse shaping filter. The design of pulses for $L^2(\mathbb{R})$ is constrained by the Balian-Low Theorem, which imposes an…

Information Theory · Computer Science 2025-10-21 Fathima Jesbin , Ananthanarayanan Chockalingam