Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Balram, Krishna C"'
Piezoelectric microresonators are indispensable in wireless communications, and underpin radio frequency filtering in mobile phones. These devices are usually analyzed in the quasi-(electro)static regime with the magnetic field effectively ignored. O
Externí odkaz:
http://arxiv.org/abs/2405.02212
To exploit the sub-nanometre dimensions of qubits for large-scale quantum information processing, corresponding control architectures require both energy and space efficiency, with the on-chip footprint of unit-cell electronics ideally micron-scale.
Externí odkaz:
http://arxiv.org/abs/2404.04075
Publikováno v:
Advanced Science 2024, 11, 2, 2304449
Developing practical quantum technologies will require the exquisite manipulation of fragile systems in a robust and repeatable way. As quantum technologies move towards real world applications, from biological sensing to communication in space, incr
Externí odkaz:
http://arxiv.org/abs/2305.17027
Autor:
Bicer, Mahmut, Balram, Krishna C
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2023
Guiding and manipulating GHz frequency acoustic waves in $\mu$m-scale waveguides and resonators opens up new degrees of freedom to manipulate radio frequency (RF) signals in chip-scale platforms. A critical requirement for enabling high-performance d
Externí odkaz:
http://arxiv.org/abs/2305.16961
Autor:
Weng, Hao-Cheng, Monroy-Ruz, Jorge, Matthews, Jonathan C. F., Rarity, John G., Balram, Krishna C., Smith, Joe A.
Publikováno v:
ACS Photonics 2023, 10, 9, 3302-3309
Diamond colour centres are promising optically-addressable solid state spins that can be matter-qubits, mediate deterministic interaction between photons and act as single photon emitters. Useful quantum computers will comprise millions of logical qu
Externí odkaz:
http://arxiv.org/abs/2304.10227
Publikováno v:
Optics Letters, Vol. 48 Issue 15, pp. 3861-3864, 2023
Understanding and mitigating optical loss is critical to the development of high-performance photonic integrated circuits (PICs). Especially in high refractive index contrast compound semiconductor (III-V) PICs, surface absorption and scattering can
Externí odkaz:
http://arxiv.org/abs/2303.17307
Autor:
Scott, John R., Balram, Krishna C.
Publikováno v:
Phys. Rev. Applied 20, 024019, 2023
Understanding the computational overheads imposed by classical control systems on quantum computing platforms becomes critically important as these quantum machines grow in scale and complexity. In this work, we calculate the overheads imposed by the
Externí odkaz:
http://arxiv.org/abs/2208.14938
Autor:
Mittal, Vinita, Balram, Krishna C.
Publikováno v:
Optics Express Vol. 30, Issue 18, pp. 33288-33301, 2022
While silicon photonics has leveraged the nanofabrication tools and techniques from the microelectronics industry, it has also inherited the metrological methods from the same. Photonics fabrication is inherently different from microelectronics in it
Externí odkaz:
http://arxiv.org/abs/2204.03591
Publikováno v:
Physical Review Applied 18, 054030, 2022
Piezoelectric optomechanical platforms present one of the most promising routes towards efficient transduction of signals from the microwave to the optical frequency domains. New device architectures need to be developed in order to achieve the strin
Externí odkaz:
http://arxiv.org/abs/2203.09328
Publikováno v:
Applied Physics Letters, June 2022
Achieving monolithic integration of passive acoustic wave devices, in particular RF filters, with active devices such as RF amplifiers and switches, is the optimal solution to meet the challenging communication requirements of mobile devices, especia
Externí odkaz:
http://arxiv.org/abs/2112.08870