Laser phase spectroscopy in closed-loop multilevel schemes

Year: 2016

Authors: Arimondo E.

Autors Affiliation: Univ Pisa, Dipartimento Fis E Fermi, Largo B Pontecorvo 3, I-56127 Pisa, Italy; INO CNR, Via G Moruzzi 1, I-56124 Pisa, Italy.

Abstract: Atomic/molecular systems with closed-loop configurations have singular features associated with the creation of multiple interconnected coherences. The resonant condition is determined by the full-loop detuning and the full-loop phase of the laser excitation. The main theoretical features and experimental tests published so far are reviewed. Perspectives of laser spectroscopy based on closed loops are discussed.

Journal/Review: APPLIED PHYSICS B-LASERS AND OPTICS

Volume: 122 (12)      Pages from: 293-1  to: 293-8

More Information: This work is in honour of Ted Hansch, a friend and a pioneer in the revolution of the atomic spectroscopy. We met for the first time at the Carberry Tower (Scotland) in July 1969 for the Summer School on Quantum Optics organized by the Scottish Universities, both of us looking for post-docs opportunity, finally Ted in USA and myself in England. Ten years later at Stanford, I was fascinated by Ted playing with a toy train along the hall of the Varian Physics building and setting up for a simple wavemeter. An Alexander von Humboldt Award generated my long visit to Munich in 2002 with a special admittance to Ted personal laboratory in Schelling Strasse. The author acknowledges the collaboration with Hema Ramachandran that stimulated the interest into closed-loop systems, and Thomas Udem for discussion on the phase determination.
KeyWords: Electromagnetically Induced Transparency; Pulse-propagation; Nobel Lecture; Resonance; Configuration; Frequency; Interference; Transitions; Coherence; Systems
DOI: 10.1007/s00340-016-6568-8

Citations: 3
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