Microchip-Based Trapped-Atom Clocks

TL;DR

This chapter reviews the principles, types, and recent experimental advances in microchip-based trapped-atom clocks, highlighting their potential for compact, high-precision timekeeping.

Contribution

It provides a comprehensive overview of the fundamental concepts, experimental demonstrations, and recent developments in microchip-based trapped-atom clocks.

Findings

Comparison of atomic-fountain and trapped-atom clocks

Experimental demonstrations of magnetically trapped atom clocks

Discussion of spin squeezing techniques

Abstract

This is a chapter of a recently published book entitled Atom Chips, edited by Jakob Reichel and Vladan Vuletic. The contents of this chapter include: Basic Principles; Atomic-Fountain versus Trapped-Atom Clocks; Optical-Transition Clocks versus Microwave Clocks; Clocks with Magnetically Trapped Atoms--Fundamental Limits and Experimental Demonstrations; Readout in Trapped-Atom Clocks; and Spin Squeezing.