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Conference on Lasers and Electro-Optics

Paired electromagnetically induced transparency with dual mode laser: a step towards EIT-Comb

S. M. Iftiquar

Published May 1, 2008• 0 citations
Publisher

Abstract

Coupled electromagnetically induced transparency (EIT) has been observed with a dual mode control laser. The technique can be used for generating EIT-comb from optical frequency comb.
DOI
10.1109/cleo.2008.4552065

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We measure the electromagnetically induced transparency (EIT) of a single-frequency comb mode interacting with laser-cooled Rb87 atoms. A Λ hyperfine level structure in a D2 transition is used in the configuration of co-propagated probe (frequency comb) and coupling (continuous-wave) laser fields. The signature of EIT in the transmission of a single comb mode as well as the radiation pressure force is experimentally detected. The results are satisfactorily reproduced by the developed theoretical models, where EIT is seen to occur due to coherent accumulation. Our results could find application in quantum computing and communication with optical frequency combs.
We suggest and analyze a new type of microscopic laser, which uses a highly dispersive mirror to achieve stable dual-mode lasing. The mirror-dispersion is implemented using electromagnetically induced transparency (EIT) between two coupled nanocavities and allows a beat note frequency that is dynamically tunable. In contrast, a conventional laser resonator of the same length cannot address this frequency range. Thus, the proposed laser has potential applications in photonic microwave generation, terahertz sensing, and all-optical clock recovery [1].
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