Research

My group uses atoms and molecules to develop new tools for precision measurements. Our current research projects involve optical atomic clocks and molecular ion spectroscopy.

I am involved in the EDM³ and PolyEDM collaborations.

Recent work

1. Improved estimate of the collisional frequency shift in Al+ optical clocks, arXiv (2019)
2. Magic polarization for light shift cancellation in two-photon optical clocks, arXiv (2018)
3. Doppler and collisional frequency shifts in trapped-atom clocks, arXiv (2018)
4. Orientation-dependent hyperfine structure of polar molecules in a rare-gas matrix, Phys. Rev. A (2018)
5. Laser frequency stabilization using a transfer interferometer, Rev. Sci. Intr. (2018)
6. Oriented polar molecules for electron EDM measurements, Atoms (2018)
7. Displacement operators: the classical face of their quantum phase, Eur. J. Phys. (2018)
8. A compact external-cavity diode laser, using feedback from an optical fiber, Rev. Sci. Instr. (2017)
9. Collisional frequency shift of a trapped-ion optical clock, Phys. Rev. A (2017)
10. Broadband low-noise photodetector for Pound-Drever-Hall laser stabilization, Rev. Sci. Instr. (2016)
11. Frequency-offset separated oscillatory fields, Phys. Rev. A (2015)
12. Optical frequency standards for gravitational wave detection using satellite Doppler velocimetry, New. J. Phys. (2015)

Designs

Code and hardware designs developed in my group are freely available at github.com/vuthalab.

Pythagon is an older Python blog that I update sporadically.

Diversions

Perhaps you are here for my list of content-free phrases?

Teaching

I teach the following courses at UofT:

• PHY 2205: Fundamental Physics using AMO Techniques

Previous courses:

• PHY 2204: Quantum Optics II
• PHY 405: Electronics Lab
• PHY 180: Mechanics for Engineers

Contact

MP 033 (lab), MP 1121 (office)
Department of Physics
University of Toronto
60 St. George Street
Toronto ON M5S 1A7, Canada

Phone: +1 416 946 8503
Email: amar.vutha Ͽ utoronto.ca

'MP' is the McLennan Physics building, located in UofT's downtown campus.

Support

• Sloan Research Fellowship
• Branco Weiss Fellowship
• Canada Research Chairs
• NSERC
• Canada Foundation for Innovation
• Ontario Research Fund

Team

• Shira Jackson
• Nishant Bhatt
• Mohit Verma
• Kristen Cote
• Henry Vu
• Dr. Kosuke Kato

Kosuke, Edward, Mohit, Kristen, Henry, Shira

Alumni

• Luca Talamo → U Colorado
• Jack Davis → U Waterloo
• Hiromitsu Sawaoka → Harvard
• Wesley Cassidy → U British Columbia
• Dr. Shreyas Potnis → Thalmic Labs
• Dr. Graham Edge → JW Player
• Jenny Wu → U Colorado