We demonstrate a controllable depletion of the nitrogen buffer gas pressure in a micro-machined cesium (Cs) vapor cell from the dynamic heating of
We demonstrate a simple stacked scheme that enables absorption imaging through a hole in the surface of a grating magneto-optical trap (GMOT) chip,
Compact vacuum systems are key enabling components for cold atom technologies, facilitating extremely accurate sensing applications. There has been important progress toward a
This paper uses a parameter extraction method to investigate key parameters in GaN-based DFBs, as well as spectral linewidth measurements. Single-wavelength blue laser diodes are becoming a topic of significant research interest and gaining a better understanding of the device performance will allow improvements in design and ultimately improve their use in a number of commercial applications. To the authors’ knowledge this is the first reporting of these parameters in GaN devices.
We propose an approach for the characterization of scanning thermal microscopy (SThM) probe response using a sample with silicon dioxide steps. The chessboard-like
Abstract High-Q microring resonators have applications in gyroscopes, frequency comb generation, and feedback systems to control narrow linewidth integrated lasers [1-3]. This paper
A thermal conduction measurement device was fabricated, consisting of a silicon dioxide membrane with integrated thermal sensors (Pt resistance heater/thermometer and Pt–Au thermocouples)
Measurements of sidewall roughness by atomic force microscopy has been used to understand the waveguides losses of Ge-on-Si mid-infrared rib waveguides. Simulations indicate
This Innovate UK project is aimed at developing compact DFB lasers at 780.24 nm that are locked using a MEMS Rb cavity and
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