Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Alex Cramer"'
Autor:
Richard DeSalvo, Micah H. Jenkins, Moritz Merklein, Stephen J. Madden, Amol Choudhary, Andrew Chilton, Alex Cramer, Charles Middleton, Khu Vu, Yang Liu, Benjamin J. Eggleton, Pan Ma, Duk-Yong Choi, Joseph Devenport, Luke McKay
Publikováno v:
Journal of Lightwave Technology. 38:3624-3636
Microwave photonic phase shifters based on stimulated Brillouin scattering (SBS) offer tunable and broadband, optically controllable phase shifts. However, achieving a 360° phase shift requires a large amount of SBS gain which often exceeds the avai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::879173eef8c2db2f9843e51add8ad555
https://doi.org/10.1109/jlt.2020.2980308
https://doi.org/10.1109/jlt.2020.2980308
Autor:
Benjamin J. Eggleton, Moritz Merklein, Jordan Maksymow, Richard DeSalvo, Andrew Chilton, Alex Cramer, Pan Ma, Duk-Yong Choi, Yang Liu, Luke McKay, Khu Vu, Stephen J. Madden
Publikováno v:
14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020).
We experimentally demonstrate a chip-based continuously tunable microwave photonic true-time delay (TTD) using Brillouin scattering and phase amplification enhancement, achieving delays of 4-ns over a bandwidth of 150-MHz utilizing approximately 10dB
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a88ea44bebc1ef0d172bfbf8f93d5b6
https://doi.org/10.1364/cleopr.2020.c8d_2
https://doi.org/10.1364/cleopr.2020.c8d_2
Autor:
Luke McKay, Moritz Merklein, Alvaro Casas Bedoya, Amol Choudhary, Yang Liu, Micah Jenkins, Charles Middleton, Alex Cramer, Joseph Devenport, Anthony Klee, Richard DeSalvo, Benjamin J. Eggleton
Publikováno v:
Conference on Lasers and Electro-Optics.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e29f83e86a628c547869f94a0b1a81a8
https://doi.org/10.1364/cleo_si.2019.sm4o.4
https://doi.org/10.1364/cleo_si.2019.sm4o.4
Autor:
Richard DeSalvo, Stephen J. Madden, Duk-Yong Choi, Alex Cramer, Benjamin J. Eggleton, Jordan Maksymow, Andrew Chilton, Moritz Merklein, Kunlun Yan, Yang Liu, Luke McKay
Publikováno v:
Optics Express. 28:36020
True-time delays are important building blocks in modern radio frequency systems that can be implemented using integrated microwave photonics, enabling higher carrier frequencies, improved bandwidths, and a reduction in size, weight, and power. Stimu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::451139a26d7a902774dfc4a4ab799828
https://doi.org/10.1364/oe.408617
https://doi.org/10.1364/oe.408617
Autor:
Charles Middleton, Alex Cramer, Micah H. Jenkins, Pan Ma, Khu Vu, Joseph Devenport, Anthony Klee, Amol Choudhary, Duk-Yong Choi, Luke McKay, Yang Liu, Benjamin J. Eggleton, Stephen J. Madden, Moritz Merklein, Richard DeSalvo
Publikováno v:
2018 International Topical Meeting on Microwave Photonics (MWP).
Phase shifters are an important building block of modern RF communications and RADAR systems, with an ever increasing demand to improve the operating bandwidth and to reduce power consumption and footprint. Microwave photonic phase shifters based on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2caf635c4deee4fb13777d51f06d7e95
https://doi.org/10.1109/mwp.2018.8552900
https://doi.org/10.1109/mwp.2018.8552900
Autor:
George W. Miles, Elliott Grafer, Alex Cramer, Anthony Klee, Richard DeSalvo, Charles Middleton
Publikováno v:
MILCOM
We present a wideband and arbitrarily reconfigurable photonic solution to RF equalization using the nonlinear optical phenomenon of stimulated Brillouin scattering (SBS). In this work, we equalize an RF photonic downconverter with optical signal proc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be2b235d321349cd7595cfd7c4e84eaf
https://doi.org/10.1109/milcom.2018.8599717
https://doi.org/10.1109/milcom.2018.8599717
Autor:
Anthony Klee, Joseph Devenport, Micah H. Jenkins, Charles Middleton, Elliott Grafer, Richard DeSalvo, Alex Cramer
Publikováno v:
2018 IEEE Research and Applications of Photonics In Defense Conference (RAPID).
We review recent progress in applying stimulated Brillouin scattering to microwave photonic links in multiple signal processing contexts. Dynamic bandpass filters, high selectivity notch filters, and wideband phase shifters are demonstrated. These de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a70fe5a708cffccde4290bac1f807ec1
https://doi.org/10.1109/rapid.2018.8508912
https://doi.org/10.1109/rapid.2018.8508912
Autor:
Anthony Klee, Alex Cramer, Richard DeSalvo, Kristina Bagnell, Charles Middleton, Elliott Grafer
Publikováno v:
2018 IEEE Research and Applications of Photonics In Defense Conference (RAPID).
We review recent advances in microwave photonic processors for full spectrum awareness and frequency translation. Hybrid integration progress for these systems is shown along with the latest waveguide and chip-scale technologies to reduce SWaP and im
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82992ad773ae9503913c018ba981cd87
https://doi.org/10.1109/rapid.2018.8508909
https://doi.org/10.1109/rapid.2018.8508909
Autor:
Alex Cramer, Elliott Grafer, Anthony Klee, Richard DeSalvo, Charles Middleton, Kristina Bagnell
Publikováno v:
Conference on Lasers and Electro-Optics.
We review recent advances in microwave photonic systems for wideband spectral awareness and down-conversion. Progress is shown toward hybrid integration of these systems with the latest chip-scale technologies to reduce SWaP and improve performance.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6ba35c93e5a1bf789bd62e7b5880916
https://doi.org/10.1364/cleo_at.2018.jth3d.1
https://doi.org/10.1364/cleo_at.2018.jth3d.1
Publikováno v:
2017 IEEE Avionics and Vehicle Fiber-Optics and Photonics Conference (AVFOP).
Satellite communications are providing higher data rates through the use of higher frequency bands and higher order modulation schemes [1]. There may be a need to distribute antennas over hundreds of meters to kilometers, for example in a goniometric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76a0be3ff8a7a789d0fd1e562be16418
https://doi.org/10.1109/avfop.2017.8169762
https://doi.org/10.1109/avfop.2017.8169762