Phase-controlled switching by interference between incoherent fields in a double-Λ system | Zendy

Hoonsoo Kang | Zendy; Bongjune Kim | Zendy; Young Ho Park | Zendy; ChaHwan Oh | Zendy; In Won Lee | Zendy

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Phase-controlled switching by interference between incoherent fields in a double-Λ system

Author(s) -

Hoonsoo Kang,

Bongjune Kim,

Young Ho Park,

ChaHwan Oh,

In Won Lee

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.004113

Subject(s) - rubidium , optics , interference (communication) , transmission (telecommunications) , phase (matter) , physics , laser , materials science , optoelectronics , telecommunications , channel (broadcasting) , potassium , quantum mechanics , computer science , metallurgy

We showed experimentally interference could be occurred between incoherent lights in a double-Λ lambda transition implemented with rubidium atomic vapor. Switching of probe transmission was controlled by the phases of two` independent probe lasers with low light intensity. More than 70% of the probe transmission could be switched by ultra-weak incoherent field. We suggested optically cryptic information could be delivered by the phase-controlled switching with incoherent fields in a double-Λ system.

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