Now showing items 1-20 of 39

• #### Broadband Waveguide QED System on a Chip ﻿

(American Physical Society, 2009)
We demonstrate that a slot waveguide provides a broadband loss-free platform suitable for applications in quantum optics. We find that strong coupling between light quanta and a single quantum emitter placed in the waveguide ...
• #### Coherent Optical Transitions in Implanted Nitrogen Vacancy Centers ﻿

(American Chemical Society (ACS), 2014)
We report the observation of stable optical transitions in nitrogen-vacancy (NV) centers created by ion implantation. Using a combination of high temperature annealing and subsequent surface treatment, we reproducibly ...
• #### Continuously tunable microdroplet-laser in a microfluidic channel ﻿

(Optical Society of America (OSA), 2011)
This paper describes the generation and optical characterization of a series of dye-doped droplet-based optical microcavities with continuously decreasing radius in a microfluidic channel. A flow-focusing nozzle generated ...
• #### Coupling of NV Centers to Photonic Crystal Nanobeams in Diamond ﻿

(American Chemical Society (ACS), 2013)
The realization of efficient optical interfaces for solid-state atom-like systems is an important problem in quantum science with potential applications in quantum communications and quantum information processing. We ...
• #### Diamond optomechanical crystals ﻿

(The Optical Society, 2016)
Cavity-optomechanical systems realized in single-crystal diamond are poised to benefit from its extraordinary material properties, including low mechanical dissipation and wide optical transparency window. Diamond is also ...
• #### Engineering Plasmonic Waves in Two-Dimensional Electron Systems ﻿

(2015-05-08)
Plasmonic waves are waves of mobile charge carriers caused by their collective oscillations. They can be excited in solid-state conducting materials and behave distinctively in different numbers of dimensions. With fabrication ...
• #### The Forces from Coupled Surface Plasmon Polaritons in Planar Waveguides ﻿

(Optical Society of America, 2009)
• #### Free-Standing Mechanical and Photonic Nanostructures in Single-Crystal Diamond ﻿

(American Chemical Society (ACS), 2012)
A variety of nanoscale photonic, mechanical, electronic, and optoelectronic devices require scalable thin film fabrication. Typically, the device layer is defined by thin film deposition on a substrate of a different ...
• #### Free-Standing Nanomechanical and Nanophotonic Structures in Single-Crystal Diamond ﻿

(2016-01-21)
Realizing complex three-dimensional structures in a range of material systems is critical to a variety of emerging nanotechnologies. This is particularly true of nanomechanical and nanophotonic systems, both relying on ...
• #### High quality-factor optical nanocavities in bulk single-crystal diamond ﻿

(Nature Publishing Group, 2014)
Single-crystal diamond, with its unique optical, mechanical and thermal properties, has emerged as a promising material with applications in classical and quantum optics. However, the lack of heteroepitaxial growth and ...
• #### Integrated Diamond Networks for Quantum Nanophotonics ﻿

(American Chemical Society (ACS), 2012)
We demonstrate an integrated nanophotonic network in diamond, consisting of a ring resonator coupled to an optical waveguide with grating in- and outcouplers. Using a nitrogen-vacancy color center embedded inside the ring ...
• #### Integrated filters for the on-chip silicon photonics platform ﻿

(2013-10-15)
We investigate the properties of integrated dielectric filters for the purposes of on-chip routing of photons. We started with the use of high quality factor tunable photonic crystal nanobeam cavities and moving on to ...
• #### Magnetic Field Sensing with Nitrogen-Vacancy Color Centers in Diamond ﻿

(2013-09-18)
In recent years, the nitrogen-vacancy (NV) center has emerged as a promising magnetic sensor capable of measuring magnetic fields with high sensitivity and spatial resolution under ambient conditions. This combination of ...
• #### Manipulating Light on Wavelength Scale ﻿

(2013-09-18)
Light, at the length-scale on the order of its wavelength, does not simply behave as "light ray", but instead diffracts, scatters, and interferes with itself, as governed by Maxwell's equations. A profound understanding ...
• #### Metasurface-assisted phase-matching-free second harmonic generation in lithium niobate waveguides ﻿

(Springer Nature, 2017)
The phase-matching condition is a key aspect in nonlinear wavelength conversion processes, which requires the momenta of the photons involved in the processes to be conserved. Conventionally, nonlinear phase matching is ...
• #### Mid-Infrared Photonics in Silicon ﻿

(2013-09-18)
The mid-infrared wavelength region (2-20 µm) is of great utility for a number of applications, including chemical bond spectroscopy, trace gas sensing, and medical diagnostics. Despite this wealth of applications, the ...
• #### Nanobeam Cavities for Reconfigurable Photonics ﻿

(2012-11-19)
We investigate the design, fabrication, and experimental characterization of high quality factor photonic crystal nanobeam cavities, with theoretical quality factors of $1.4 × 10^7$ in silicon, operating at ~1550 nm. By ...
• #### Nanofabrication of Hybrid Optoelectronic Devices ﻿

(2015-04-24)
The material requirements for optoelectronic devices can vary dramatically depending on the application. Often disparate material systems need to be combined to allow for full device functionality. At the nanometer scale, ...
• #### Nanophotonic Structures for Coupling to Quantum Emitters in the Visible ﻿

(2013-09-04)
This thesis is about the design, fabrication, and characterization of nanophotonic elements in the visible that can enhance light-matter interaction for single quantum emitters. We focus on two material systems: single ...
• #### Nanophotonics in Diamond ﻿

(2013-08-21)
Diamond nanophotonics have evolved tremendously from the study of color centers in bulk single crystals and nanocrystals to their characterization in nanostructured environments. This development was facilitated by the ...