Cavity-Mediated Strong Matter Wave Bistability in a Spin-1 Condensate
Lu Zhou, Han Pu, Hong Y. Ling, and Weiping Zhang
TL;DR
This paper demonstrates how a spin-1 Bose-Einstein condensate coupled to a ring cavity can exhibit strong matter wave bistability due to the interplay of atomic spin mixing and cavity light fields, enabling nonlinear quantum control.
Contribution
It introduces a novel mechanism for matter wave bistability mediated by cavity light fields in a spinor condensate, highlighting the potential for single-photon level nonlinearities.
Findings
Matter wave bistability is achievable in a spin-1 condensate-cavity system.
The interplay of spin exchange and cavity fields induces strong nonlinearity.
Single-photon level matter wave control is possible.
Abstract
We study matter wave bistability in a spin-1 Bose-Einstein condensate dispersively coupled to a unidirectional ring cavity. A unique feature is that the population exchange among different modes of matter fields are accomplished via the spin-exchange collisions. We show that the interplay between the atomic spin mixing and the cavity light field can lead to a strong matter wave nonlinearity, making matter wave bistability in a cavity at the single-photon level achievable.
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