JK
John Kovac
astro-ph.COastro-ph.IMastro-phastro-ph.GAhep-phhep-exphysics.ins-detgr-qcphysics.opticshep-th
On Valency
published · living versionsW_b4fk3m8c·v1 · currentpublished
CMB-S4 Science Book, First Edition
with Kevork N. Abazajian, Peter Adshead, Zeeshan Ahmed, Steven W. Allen +81
1 version
Preprints & journals
126 papers in the corpus · 1995–2026BICEP/Keck XXII: Analysis of the South Pole Atmosphere for CMB Observations2609.02090v1 · P. A. R. Ade, Z. Ahmed, M. Amiri et al.2026 · 0 citationsarXiv
Aliased noise characterization and mitigation in BICEP Array 150, 220 and 270 GHz time-division multiplexed detectors2608.25011v1 · S. Fatigoni, P. A. R. Ade, Z. Ahmed et al.2026 · 0 citationsarXiv
Optical characterization of the BICEP array 150 and 220/270GHz CMB polarimeters in the 2026 season2608.25012v1 · M. Izquierdo Poza, P. A. R. Ade, Z. Ahmed et al.2026 · 0 citationsarXiv
Advanced Time-Division Multiplexed Readout Chain for the BICEP Array 90/150 GHz Receiver2608.25013v1 · B. Cantrall, P. A. R. Ade, Z. Ahmed et al.2026 · 0 citationsarXiv
Optics and broadband anti-reflection coatings for the BA4-90/150 receiver2608.25014v1 · A. R. Polish, P. A. R. Ade, Z. Ahmed et al.2026 · 0 citationsarXiv
Status of BICEP Array and Integration of the 220/270 GHz Receiver2608.25015v2 · A. Steiger, P. A. R. Ade, Z. Ahmed et al.2026 · 0 citationsarXiv
Quantifying the systematic impact of differential beam response on the BICEP CMB polarization data from 2016 through 20242608.25016v1 · B. D. Elwood, P. A. R. Ade, Z. Ahmed et al.2026 · 0 citationsarXiv
Engineering of titanium transition edge sensor wafers for the BA4-90/150 receiver of BICEP Array2608.26202v1 · A.Patel, P. A. R. Ade, Z. Ahmed et al.2026 · 0 citationsarXiv
Overview and status of BICEP Array's BA4-90/150 CMB polarimeter2608.07817v1 · M. A. Petroff, P. A. R. Ade, Z. Ahmed et al.2026 · 0 citationsarXiv
Design and Performance of 220 and 270 GHz Bandpass Filters for BICEP Array2608.00324v1 · A. Steiger, P. A. R. Ade, Z. Ahmed et al.2026 · 0 citationsIEEE Transactions on Applied Superconductivity ( Volume: 36, Issue: 6, September 2026)
Controlling instrumental systematics for the BICEP inflation survey2606.13942v1 · C. Verges, P. A. R. Ade, Z. Ahmed et al.2026 · 0 citationsarXiv
BICEP/Keck XXI: Constraints on Early-Universe Parity Violation from Multipole-Dependent Birefringence2603.06812v2 · Zeeshan Ahmed, Mandana Amiri, Denis Barkats et al.2026 · 0 citationsarXiv
Improved Absolute Polarization Calibrator for BICEP CMB Polarimeters2510.13032v1 · A. R. Polish, P. A. R. Ade, Z. Ahmed et al.2025 · 0 citationsarXiv
BICEP/Keck XX: Component-separated maps of polarized CMB and thermal dust emission using Planck and BICEP/Keck Observations through the 2018 Observing Season2509.21648v2 · Z. Ahmed, M. Amiri, D. Barkats et al.2025 · 0 citationsarXiv
BICEP/Keck XIX: Extremely Thin Composite Polymer Vacuum Windows for BICEP and Other High Throughput Millimeter Wave Telescopes2411.10428v2 · Z. Ahmed, M. Amiri, D. Barkats et al.2024 · 0 citationsarXiv
Fabry-Pérot open resonant cavities for measuring the dielectric parameters of mm-wave optical materials2411.01058v1 · Brodi D. Elwood, Paul K. Grimes, John Kovac et al.2024 · 2 citationsProceedings Volume PC13102, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XII; PC1310220 (2024)
BICEP/Keck XVIII: Measurement of BICEP3 polarization angles and consequences for constraining cosmic birefringence and inflation2410.12089v3 · BICEP/Keck Collaboration, P. A. R. Ade, Z. Ahmed et al.2024 · 11 citationsarXiv
Calibration Measurements of the BICEP3 and BICEP Array CMB Polarimeters from 2017 to 20242409.16440v1 · Christos Giannakopoulos, Clara Verges, P. A. R. Ade et al.2024 · 0 citationsarXiv
Development of the 220/270 GHz Receiver of BICEP Array2409.02296v1 · The BICEP/Keck Collaboration: Y. Nakato, P. A. R. Ade, Z. Ahmed et al.2024 · 0 citationsarXiv
Multi-layer anti-reflection coats using ePTFE membrane for mm-wavelength plastic optics2407.17604v1 · Miranda Eiben, Keara Carter, Marion Dierickx et al.2024 · 3 citationsarXiv
The Precursor Small Aperture Telescope (PreSAT) CMB polarimeter2406.13587v3 · Matthew A. Petroff, Zeeshan Ahmed, James J. Bock et al.2024 · 1 citationProceedings of the SPIE, Volume 13102, id. 131022P 12 pp. (2024)
Constraining Inflation with the BICEP/Keck CMB Polarization Experiments2405.19469v2 · The BICEP/Keck Collaboration: P.A.R. Ade, Z. Ahmed, M. Amiri et al.2024 · 2 citationsarXiv
Results and Limits of Time Division Multiplexing for the BICEP Array High Frequency Receivers2310.10849v2 · S. Fatigoni, P.A.R. Ade, Z. Ahmed et al.2023 · 7 citationsJournal of Low Temperature Physics (2024)
BICEP / Keck XVII: Line of Sight Distortion Analysis: Estimates of Gravitational Lensing, Anisotropic Cosmic Birefringence, Patchy Reionization, and Systematic Errors2210.08038v2 · BICEP/Keck Collaboration: P.A.R. Ade, Z. Ahmed, M. Amiri et al.2022 · 36 citationsApJ (2023) 949 43
BICEP / Keck XVI: Characterizing Dust Polarization through Correlations with Neutral Hydrogen2210.05684v2 · BICEP/Keck Collaboration: P.A.R. Ade, Z. Ahmed, M. Amiri et al.2022 · 19 citationsApJ 945 72 (2023)
Thermal Testing for Cryogenic CMB Instrument Optical Design2208.02755v1 · D.C. Goldfinger, P.A.R. Ade, Z. Ahmed et al.2022 · 3 citationsarXiv
Conceptual Design of the Modular Detector and Readout System for the CMB-S4 survey experiment2208.02284v1 · D. R. Barron, Z. Ahmed, J. Aguilar et al.2022 · 18 citationsarXiv
2022 Upgrade and Improved Low Frequency Camera Sensitivity for CMB Observation at the South Pole2208.01080v1 · A. Soliman, P.A.R. Ade, Z. Ahmed et al.2022 · 0 citationsarXiv
Laminate polyethylene window development for large aperture millimeter receivers2208.01088v1 · Miranda Eiben, Denis Barkats, Aurelia Balkanski et al.2022 · 3 citationsarXiv
Improved Polarization Calibration of the BICEP3 CMB Polarimeter at the South Pole2207.14796v2 · J. Cornelison, C. Verges, P.A.R. Ade et al.2022 · 9 citationsarXiv
Review of Radio Frequency Interference and Potential Impacts on the CMB-S4 Cosmic Microwave Background Survey2207.13204v2 · Darcy R. Barron, Amy N. Bender, Ian E. Birdwell et al.2022 · 3 citationsarXiv
The Latest Constraints on Inflationary B-modes from the BICEP/Keck Telescopes2203.16556v1 · BICEP/Keck Collaboration: P.A.R. Ade, Z. Ahmed, M. Amiri et al.2022 · 13 citationsarXiv
Snowmass2021 Cosmic Frontier: Cosmic Microwave Background Measurements White Paper2203.07638v1 · Clarence L. Chang, Kevin M. Huffenberger, Bradford A. Benson et al.2022 · 12 citationsarXiv
Plastic Laminate Antireflective Coatings for Millimeter-wave Optics in BICEP Array2111.14751v1 · Marion Dierickx, P. A. R. Ade, Zeeshan Ahmed et al.2021 · 3 citationsarXiv
BICEP Array: 150 GHz detector module development2111.14785v1 · A. Schillaci, P. A. R. Ade, Z. Ahmed et al.2021 · 7 citationsarXiv
Improved Constraints on Primordial Gravitational Waves using Planck, WMAP, and BICEP/Keck Observations through the 2018 Observing Season.34678017 · Ade, P A R, Ahmed, Z, Amiri, M et al.2021 · 1,015 citationsPhysical review letters. 2021;127(15):151301
BICEP / Keck XV: The BICEP3 CMB Polarimeter and the First Three Year Data Set2110.00482v1 · BICEP/Keck Collaboration: P.A.R. Ade, Z. Ahmed, M. Amiri et al.2021 · 62 citationsThe Astrophysical Journal 927, 77 (2022)
BICEP / Keck XIV: Improved constraints on axion-like polarization oscillations in the cosmic microwave background2108.03316v2 · BICEP/Keck Collaboration: P. A. R. Ade, Z. Ahmed, M. Amiri et al.2021 · 26 citationsPhys. Rev. D 105, 022006 (2022)
Analysis of Temperature-to-Polarization Leakage in BICEP3 and Keck CMB Data from 2016 to 20182102.02386v1 · The BICEP/Keck Collaboration: T. St. Germaine, P. A. R. Ade, Z. Ahmed et al.2021 · 4 citationsProc. SPIE 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X, 114532E (15 December 2020)
Observing low elevation sky and the CMB Cold Spot with BICEP3 at the South Pole2012.09363v2 · J. Kang, P. A. R. Ade, Z. Ahmed et al.2020 · 1 citationProc. SPIE 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X, 114532D (13 December 2020)
Polarization Calibration of the BICEP3 CMB polarimeter at the South Pole2012.05934v1 · J. Cornelison, P. A. R. Ade, Z. Ahmed et al.2020 · 6 citationsarXiv
Receiver development for BICEP Array, a next-generation CMB polarimeter at the South Pole2012.04047v1 · L. Moncelsi, P. A. R. Ade, Z. Ahmed et al.2020 · 48 citationsarXiv
A Demonstration of Improved Constraints on Primordial Gravitational Waves with Delensing2011.08163v2 · BICEP/Keck, SPTpol Collaborations: P. A. R. Ade, Z. Ahmed et al.2020 · 43 citationsPhys. Rev. D 103, 022004 (2021)
BICEP / Keck XII: Constraints on axion-like polarization oscillations in the cosmic microwave background2011.03483v2 · BICEP/Keck Collaboration: P. A. R. Ade, Z. Ahmed, M. Amiri et al.2020 · 17 citationsPhys. Rev. D 103, 042002 (2021)
CMB-S4: Forecasting Constraints on Primordial Gravitational Waves2008.12619v1 · Kevork Abazajian, Graeme E. Addison, Peter Adshead et al.2020 · 258 citationsarXiv
Broadband, millimeter-wave antireflection coatings for large-format, cryogenic aluminum oxide optics.32400613 · Nadolski, A, Vieira, J D, Sobrin, J A et al.2020 · 13 citationsApplied optics. 2020;59(10):3285-3295
Optical characterization of the Keck Array and BICEP3 CMB Polarimeters from 2016 to 20192002.05197v1 · The BICEP/Keck Collaboration: T. St Germaine, P. A. R. Ade, Z. Ahmed et al.2020 · 11 citationsarXiv
Characterizing the Sensitivity of 40 GHz TES Bolometers for BICEP Array2002.05219v1 · C. Zhang, P. A. R. Ade, Z. Ahmed et al.2020 · 9 citationsarXiv
Design and performance of the first BICEP Array receiver2002.05228v1 · A. Schillaci, P. A. R. Ade, Z. Ahmed et al.2020 · 24 citationsarXiv
Optical Design and Characterization of 40-GHz Detector and Module for the BICEP Array2002.05254v1 · A. Soliman, P. A. R. Ade, Z. Ahmed et al.2020 · 6 citationsarXiv
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