Titanium Nitride Films for Ultrasensitive Microresonator Detectors (2010)
Leduc, Henry G., Bumble, Bruce, Day, Peter K., Turner, Anthony D., Eom, Byeong Ho, Golwala, Sunil, ...
Titanium nitride (TiNx) films are ideal for use in superconducting microresonator detectors because: a) the critical temperature varies with composition (0 < Tc < 5 K); b) the normal-state...
Millimeter-Wave Lumped Element Superconducting Bandpass Filters for Multi-Color Imaging (2010)
Shwetank Kumar, Anastasios Vayonakis, Henry G. Leduc, Peter K. Day, Sunil Golwala, Jonas Zmuidzinas
Abstract—The opacity due to water vapor in the Earth’s atmosphere obscures portions of the sub-THz spectrum (mm/sub-mm wavelengths) to ground based astronomical observation. For maximum...
Millimeter-Wave Lumped Element Superconducting Bandpass Filters for Multi-Color Imaging (2009)
Kumar, Shwetank, Vayonakis, Anastasios, LeDuc, Henry G., Day, Peter K., Golwala, Sunil, Zmuidzinas, Jonas S.
The opacity due to water vapor in the Earth's atmosphere obscures portions of the sub-THz spectrum (mm/sub-mm wavelengths) to ground based astronomical observation. For maximum sensitivity,...
Distributed antenna-coupled TES for FIR detectors arrays (2009)
Day, Peter K., Leduc, Henry G., Dowell, C. Darren, Lee, Richard A., Zmuidzinas, Jonas
We describe a new architecture for a superconducting detector for the submillimeter and far-infrared. This detector uses a distributed hot-electron transition edge sensor (TES) to collect the power...
A semiempirical model for two-level system noise in superconducting microresonators (2008)
Gao, Jiansong, Daal, Miguel, Martinis, John M., Vayonakis, Anastasios, Zmuidzinas, Jonas, Sadoulet, Bernard, ...
We present measurements of the low-temperature excess frequency noise of four niobium superconducting coplanar waveguide microresonators, with center strip widths sr ranging from 3 to 20 µm. For a...
Gao, Jiansong, Daal, Miguel, Vayonakis, Anastasios, Kumar, Shwetank, Zmuidzinas, Jonas, Sadoulet, Bernard, ...
We present measurements of the temperature-dependent frequency shift of five niobium superconducting coplanar waveguide microresonators with center strip widths ranging from 3 to 50 µm, taken at...
A semi-empirical model for two-level system noise in superconducting microresonators (2008)
Gao, Jiansong, Daal, Miguel, Martinis, John M., Mazin, Benjamin A., Day, Peter K., Leduc, Henry G., ...
We present measurements of the low--temperature excess frequency noise of four niobium superconducting coplanar waveguide microresonators, with center strip widths $s_r$ ranging from 3 $\mu$m to 20...
Kumar, Shwetank, Gao, Jiansong, Zmuidzinas, Jonas, Mazin, Benjamin A., LeDuc, Henry G., Day, Peter K.
We present measurements of the temperature and power dependence of the resonance frequency and frequency noise of superconducting niobium thin-film coplanar waveguide resonators carried out at...
Kumar, Shwetank, Gao, Jiansong, Zmuidzinas, Jonas, Mazin, Benjamin A., LeDuc, Henry G., Day, Peter K.
We present measurements of the temperature and power dependence of the resonance frequency and frequency noise of superconducting niobium thin-film coplanar waveguide resonators, carried out at...
TRANSITION-EDGE SUPERCONDUCTING ANTENNA- COUPLED BOLOMETER (2007)
Cynthia L. Hunt, Andrew E. Lange, Anastasios Vayonakis, Jonas Zmuidzinas, James J. Bock, Peter K. Day, ...
We are developing a single pixel antenna coupled bolometric detector. Our device consists of a dual slot microstrip antenna coupled to an Al/Ti/Au voltage-biased transition edge superconducting...
Noise properties of superconducting coplanar waveguide microwave resonators (2007)
Gao, Jiansong, Zmuidzinas, Jonas, Mazin, Benjamin A., LeDuc, Henry G., Day, Peter K.
The authors have measured noise in thin-film superconducting coplanar waveguide resonators. This noise appears entirely as phase noise, equivalent to a jitter of the resonance frequency. In contrast,...
Position sensitive x-ray spectrophotometer using microwave kinetic inductance detectors (2006)
Mazin, Benjamin A., Bumble, Bruce, Day, Peter K., Eckart, Megan E., Golwala, Sunil, Zmuidzinas, Jonas, ...
The surface impedance of a superconductor changes when energy is absorbed and Cooper pairs are broken to produce single electron (quasiparticle) excitations. This change may be sensitively measured...
A Position Sensitive X-ray Spectrophotometer using Microwave Kinetic Inductance Detectors (2006)
Mazin, Benjamin A., Eckart, Megan E., Bumble, Bruce, Golwala, Sunil, Day, Peter K., Zmuidzinas, Jonas, ...
The surface impedance of a superconductor changes when energy is absorbed and Cooper pairs are broken to produce single electron (quasiparticle) excitations. This change may be sensitively measured...
Noise Properties of Superconducting Coplanar Waveguide Microwave Resonators (2006)
Gao, Jiansong, Mazin, Benjamin A., Day, Peter K., Zmuidzinas, Jonas, LeDuc, Henry G.
We have measured noise in thin-film superconducting coplanar waveguide resonators. This noise appears entirely as phase noise, equivalent to a jitter of the resonance frequency. In contrast,...
Distributed antenna-coupled transition edge sensors (2006)
Day, Peter K., LeDuc, Henry G., Lee, Richard A. M., Dowell, C. Darren, Zmuidzinas, Jonas
We describe progress toward realizing a new architecture for focal plane arrays for the Submillimeter and Far- Infrared (FIR) bands. This architecture is based on a detector design utilizing...
Fabrication of antenna coupled transition edge sensors for polarimeter applications (2005)
LeDuc, H. G., Kenyon, Matthew, Day, Peter K., Yun, Minhee, Bock, J. J.
In this poster we describe progress in the development polarization sensitive superconducting, bolometric detector arrays targeted at Cosmic Microwave Background (CMB) studies.