146 citations · 399 across the 14 of their papers we have counts for
15 papers
Hysteresis Compensation in Temperature Response of Fiber Bragg Grating Thermometers Using Dynamic Regression
Zeeshan Ahmed
In recent years there has been considerable interest in using photonic thermometers such as Fiber Bragg grating (FBG) and silicon ring resonators as an alternative technology to re…
Dual electro-optic frequency comb photonic thermometry
Adam J. Fleisher, Zeeshan Ahmed, Tobias Herman +1
We report a precision realization of photonic thermometry using dual-comb spectroscopy to interrogate a -phase-shifted fiber Bragg grating. We achieve read-out stability of 7.5…
Phase Drift Monitoring for Tone Tracking Readout of Superconducting Microwave Resonators
Max Silva-Feaver, Zeeshan Ahmed, Kam Arnold +5
A number of modern millimeter, sub-millimeter, and far-infrared detectors are read out using superconducting microwave (1-10GHz) resonators. The main detector technologies are Tran…
Quantum-based vacuum metrology at NIST
Julia Scherschligt, James A. Fedchak, Zeeshan Ahmed +10
The measurement science in realizing and disseminating the unit for pressure in the International System of Units (SI), the pascal (Pa), has been the subject of much interest at th…
Quantum Sensing for High Energy Physics
Zeeshan Ahmed, Yuri Alexeev, Giorgio Apollinari +113
Report of the first workshop to identify approaches and techniques in the domain of quantum sensing that can be utilized by future High Energy Physics applications to further the s…
Thermal Control of Transmission Spectral Characteristics in a Ring Resonator
Nikolai N. Klimov, Mario C. M. M. Souza, Zeeshan Ahmed
We report on our observation of thermal control of transmission spectra of a micro-ring resonator coupled to a low finesse etalon. Thermal tuning of the device changes the coupling…
Radiation Hardness of Fiber Bragg Grating Thermometers
Lonnie T. Cumberland, Ryan Fitzgerald, Nikolai N. Klimov +3
Photonics sensing has long been valued for its tolerance to harsh environments where traditional sensing technologies fail. As photonic components continue to evolve and find new a…
Towards Replacing Resistance Thermometry with Photonic Thermometry
Nikolai Klimov, Thomas Purdy, Zeeshan Ahmed
Resistance thermometry provides a time-tested method for taking temperature measurements that has been painstakingly developed over the last century. However, fundamental limits to…
Optofluidic Temperature and Pressure Measurements with Fiber Bragg Gratings Embedded in Microfluidic Devices
Gregory A. Cooksey, Zeeshan Ahmed
The integration of photonic sensors into microfluidic devices provides opportunities for dynamic measurement of chemical and physical properties of fluids in very small volumes. We…
Towards Photonics Enabled Quantum Metrology of Temperature, Pressure and Vacuum
Zeeshan Ahmed, Nikolai N. Klimov, Kevin Douglass +5
This chapter presents a brief overview of photonic sensor and standards development that is currently undergoing in the thermodynamic metrology group at NIST in the areas of temper…
Fiber Bragg Grating Based Thermometry
Zeeshan Ahmed, James Filla, William Guthrie +1
In recent years there has been considerable interest in developing photonic temperature sensors such as the Fiber Bragg gratings (FBG) as an alternative to resistance thermometry.…
Developing Microwave Photonic Temperature Sensors
Arec Jamgochian, John Quintavalle, Alejandra Torres-Diaz +3
In recent years there has been considerable interest in exploiting the temperature dependence of sapphire whispering gallery mode frequency to develop a mechanically stable, high a…
Fabrication and Characterization of On-Chip Integrated Silicon Photonic Bragg Grating and Photonic Crystal Cavity Thermometers
Nikolai N. Klimov, Thomas Purdy, Zeeshan Ahmed
We report on the fabrication and characterization of photonic-based nanothermometers, a silicon photonic Bragg grating and photonic crystal cavity. When cladded with silicon dioxid…
On-Chip Silicon Waveguide Bragg Grating Photonic Temperature Sensor
Nikolai N. Klimov, Sunil Mittal, Michaela Berger +1
Resistance thermometry is a time-tested method for taking temperature measurements. In recent years fundamental limits to resistance-based approaches spurred considerable interest…
Ultra-Sensitive Chip-Based Photonic Temperature Sensor Using Ring Resonator Structures
Haitan Xu, Mohammad Hafezi, J. Fan +3
Resistance thermometry provides a time-tested method for taking temperature measurements. However, fundamental limits to resistance-based approaches has produced considerable inter…