ABSTRACT
Recent years have witnessed a series of developments at the intersection of two, previously distinct subjects. Optical (micro) cavities [2] and micro (nano) mechanical resonators [3], each a subject in their own right with a rich scientic and technological history, have, in a
sense, become entangled experimentally by the underlying mechanism of optical, radiation pressure forces. These forces and their related physics have been of major interest in the eld of atomic physics [4-7] for over ve decades and the emerging opto-mechanical context has many parallels with this eld.
