Watson laboratory of applied physics, california institute of technology, pasadena, california 91125, usa. Minimizing energy consumption for signal processing using. Scattering processes in an optical microcavity are investigated for the case of silicon nanocrystals embedded in an ultrahigh q toroid microcavity. Optical processes in microcavities advanced series in.
Aug 14, 2003 optical microcavities confine light to small volumes by resonant recirculation. Timeresolved simulation of the dynamics of a pulse illuminating a microcavity. Nanophotonicsis a comprehensive introduction to the emerging area concerned with controlling and shaping optical fields at a subwavelength scale. This is due to a new dynamical scenario, where a stationary turing pattern controls the propagation of waves in an excitable medium, thus bringing together the two. Localprobe techniques are presented and are used to characterize plasmonic devices. The design problem is formulated as an optimization problem with a unique global solution. Microcavities elaborated by solgel process, proceedings of.
Simple and efficient approaches for filter design at optical frequencies using a large number of coupled microcavities are proposed. The significant qspoiling observed is in part due to the refractive loss in the contact area between the qw sample and the sphere since the qw sample has an index of refraction greater than that of the fused silica microsphere and is also in part due to the scattering loss occurring in the contact area. Yong zhang, and min xiao, optics express 27, 2327 2019. They are the basis of numerous applied and fundamental studies, such as cavity qed, photonics and sensing. Several of these nonlinear processes themselves lead to the generation of. He was educated at the university of cambridge where he was an undergraduate student of.
Wildgen submitted to the graduate degree program in chemistry and the graduate faculty of the university of kansas in partial fulfillment of the requirements for the degree of doctor of philosophy. Efficient design of coupled microcavities at optical frequencies. Click and collect from your local waterstones or get free uk delivery on orders over. Optical processes in microcavities advanced series in applied. Microcavities elaborated by solgel process microcavities elaborated by solgel process bellessa, joel 20030407 00. The emerging fields of semiconductor nanocrystals and. The calculated mode spacing agrees very well with the observations. Biosensing with optical microcavities spie digital library. Xef2 etching, and co2 laser reflow process, as was done in ref. Efficient design of coupled microcavities at optical.
The editors have selected leading scientists who have made seminal contributions in different aspects of optical processes in microcavities. Optical microcavities confine light at resonant frequencies for extended periods of time and fundamentally alter the interaction of light with matter. Our approaches are illustrated through a number of examples. If the address matches an existing account you will receive an email with instructions to reset your password. Second, in a single microcavity, alloptical eit is created when interference happens between two. Propagating, directionally dependent, polarized spincurrents are created in an anisotropic planar semiconductor microcavity, via rayleigh scattering of optically injected polaritons in the optical spin hall regime. Cavity rotation causes the shifts of the resonant frequencies proportional to the rotation rate if it is larger than a certain value. The universal importance of these structureshas made them indispensable to a wide range of fields. Optical processes in microcavities download pdfepub ebook. Optical processes in highq semiconductor microcavities. This content was uploaded by our users and we assume good faith they have the permission to share this book. Electromagnetically induced transparency in optical microcavities in.
This research program has lead to new understanding on nonlinear optical processes in the nonperturbative regime in semiconductor microcavities and to the development of a novel microcavity that. Optical microcavities are structures that enable confinement of lightto microscale volumes. Purcell factor enhanced scattering efficiency in optical microcavities. Optical microcavities storing light for a long time in a small volume microcavity characteristics. The interaction of two localized optical states in a structure consisting of a system of two coupled vertical microcavities is studied. Various efficient filter designs are obtained at both the drop and through ports. Time resolved simulation of the dynamics of a pulse illuminating a microcavity. Unlike traditional gas lasers, semiconductor lasers are invariably much smaller in dimensions, making optical confinement more critical than ever. We measure shifts in the resonance wavelength due to the presence and pressure of acetylene gas and resolve differences in the refractive index as small as 104 in the nearir. Jeremy john baumberg, frs, finstp born 14 march 1967 is professor of nanoscience in the cavendish laboratory at the university of cambridge, a fellow of jesus college, cambridge and director of the nanophotonics centre. Optical microcavities have been proposed as a powerful method to achieve label free detection of single molecules because the resonant recirculation of light within a microcavity allows the light to sample target molecules many more times 1821.
It was shown that a single pyramidal cavity can support several different types of optical resonance modes. By building semiconductor microcavities across which we can apply a voltage, polaritons can be polarised. With a variety of optical design software on the market, choosing the right package for your application can be difficult. Nonlinear optics in ultrahighq whisperinggallery optical. For example, in a simple optical waveguide sensor, the input light has only one opportunity to. Optical processes in microcavities pdf download, read optical processes in microcavities file also in epub format, optical processes in microcavities available in other standard ebook format also. The light emitting apparatus can be used for wavelength translation, amplification, optical parametric oscillation, light detection and ranging, increased sensitivity, high. Click and collect from your local waterstones or get free.
Quantum tomography of the photonplasmon conversion process in a metal hole array. Optical resonance modes in gan pyramid microcavities. This means that the electron and hole pairs which make them up are separated to opposite sides of the thin layers in which they are formed. Analytical development and application of optical microcavities. Us6608716b1 optical enhancement with nanoparticles and. To efficiently excite the whisperinggallery modes, tapered optical fibers are used and the coupling to ultrahighq modes studied.
Excitable optical waves in semiconductor microcavities. Optical microcavities, which confine light to small volumes by resonant circulation in a dielectric medium, play an indispensable role in a wide range of applications and fundamental studies 20. Optical mode properties of 2d deformed microcavities intechopen. Propagating, directionally dependent, polarized spincurrents are created in an anisotropic planar semiconductor microcavity, via rayleigh scattering of optically injected polaritons in. Aug 19, 2003 the invention is not limited to cylindrical microcavities, and alternative geometries and sizes are also possible, for example cylindrical microcavities, spherical microcavities, spheroidal microcavities, polyhedral microcavities, and optical wave guide microcavities can be used in accordance with the invention. Below the value, a region of rotation rate exists where there is no resulting the frequency shifts proportional to the. A festschrift dedicated to richard kounai chang on his retirement from yale university advanced series in applied physics on free shipping on qualified orders. Optical processes in microcavities advanced applied physics chang, richard k, campillo, a j on. Optical microcavities confine light to small volumes by resonant recirculation. The former type is a standing wave cavity, and the latter is a traveling wave cavity. Download pdf theoretical studies of the optical properties. The dielectric microstructures act as ultrahigh q factors optical cavities, which modify the spontaneous emission rates and alter the spatial distributions of the input and output radiation. We study theoretically and numerically the effect of rotation on resonant frequencies of microcavities in a rotating frame of reference.
In this thesis the nonlinear optical phenomena which can occur in ultrahighq microcavities are investigated. The observed sensitivity of this device enhanced due to the. May 21, 2001 the artificial resonances of dielectric optical microcavities can be used to enhance the detection sensitivity of evanescentwave optical fluorescence biosensors to the binding of a labeled analyte to a biospecific monolayer. Buy optical processes in microparticles and nanostructures.
Optical processes in microcavities advanced applied physics. Optical processes in microparticles and nanostructures. Secondorder quantum nonlinear optical processes in single. Devices based on optical microcavities are already indispensable for a wide range of applications and studies. Nanoscale lasers with optical microcavities by junseok heo a dissertation submitted in partial fulfillment of the requirements for the degree of doctor of philosophy electrical engineering in the university of michigan 2011 doctoral committee. The light emitting apparatus can be used for wavelength translation, amplification, optical parametric oscillation, light detection and ranging, increased sensitivity, high density optical data storage, and nearfield optical spectroscopy. An optical sensing enhancing material and corresponding method of making comprising. An optical ray tracing method has been developed for calculating the optical resonance modes inside the pyramid microcavities. The artificial resonances of dielectric optical microcavities can be used to enhance the detection sensitivity of evanescentwave optical fluorescence biosensors to the binding of a labeled analyte to a biospecific monolayer. Analytical development and application of optical microcavities by sarah m. Optical processes in microcavities a new generation of optical microresonators is making possible the exploration of quantum electrodynamic phenomena in condensed matter systems and providing microlasers with a wide range of potential applications. Devices based on optical microcavities are already indispensable.
Analogies between optical propagation and heat diffusion. The nanoparticles and microcavity exhibit enhanced linear and nonlinear optical emission. Click download or read online button to theoretical studies of the optical properties of photonic crystal and microcavity based structures book pdf for free now. Nonlinear optical processes of excitons in semiconductor. Introduction optical processes in semiconductor optical microcavities have attracted much interests since efficient optical devices such as thresholdless lasers and nonlinear optical switching devices with ultra low operating power level can be realized 1,2. An optical microcavity or microresonator is a structure formed by reflecting faces on the two sides of a spacer layer or optical medium, or by wrapping a waveguide in a circular fashion to form a ring. The dielectric microstructures act as ultrahigh q factors optical cavities, which modify the spontaneous emission rates and alter the spatial distributions of the. Nonlinear photoniccrystal microresonators offer unique fun. Optical enhancement with nanoparticles and microcavities. It is shown that the interaction of two localized optical modes in coupled microcavities cause the modes to split. Optical modes in deformed microcavities do not have good modequantum numbers due to absence of rotational. The optical properties of a system of coupled microcavities and the dispersion relations for the characteristic optical modes of the system are. Until now, multilayers were excited with a source in free space in the superstrate. Us20040150818a1 optical devices and methods employing.
We demonstrate a chipscale photonic system for the roomtemperature detection of gas composition and pressure using a slotted silicon microring resonator. Studies of optical microresonators with dimensions between 0. From the above derivations, we find that eit in optical microcavities exactly matches that in atomic systems. The invention is not limited to cylindrical microcavities, and alternative geometries and sizes are also possible, for example cylindrical microcavities, spherical microcavities, spheroidal microcavities, polyhedral microcavities, and optical wave guide microcavities can be used in accordance with the invention. Aug 10, 2007 optical microcavities have been proposed as a powerful method to achieve label free detection of single molecules because the resonant recirculation of light within a microcavity allows the light to sample target molecules many more times 1821. Enhanced nonlinear optics in photoniccrystal microcavities. Download theoretical studies of the optical properties of photonic crystal and microcavity based structures ebook pdf or read online books in pdf, epub, and mobi format. By opposition with this far field geometry, the same devices are known as microcavities when they support the sources in their bulks. Osa onchip gas detection in silicon optical microcavities.
Secondorder quantum nonlinear optical processes in single graphene nanostructures and arrays. Electromagnetically induced transparency in optical microcavities. Handbook of optical microcavities crc press book an optical cavity confines light within its structure and constitutes an integral part of a laser device. Minimizing energy consumption for signal processing using optical microcavities. An optical microcavity or microresonator is a structure formed by reflecting faces on the two. This can make extremely fast electricallycontrolled optical amplifiers as well as spin switches. Buy optical processes in microcavities by richard k. Cavityfree optical isolators and circulators using a chiral crosskerr.
Optical formalisms developed for luminescent microcavities also remain valid for heat conduction. Of all resonant geometries, surface tensioninduced microcavities, such as silica microspheres, exhibit the highest qfactor to date of. Photonic crystals and microcavities are extensively described, including nonlinear optical effects. The interest toward strong electromagnetic confinement structures through the use of microcavities is of great interest, from both the fundamental understanding and the technological application sides. Theory of pseudomodes in quantum optical processes b. Garraway1 1sussex centre for optical and atomic physics, university of sussex, brighton bn1 9qh, united kingdom 2department of physics, university of queensland, st lucia, queensland 4072, australia.
Here, we focus our attention to second order nonlinear processes inside such structures. Optical properties of a system of two coupled vertical. Labelfree, singlemolecule detection with optical microcavities. Second order optical nonlinear processes as tools to probe. Michael stevenson breaks down the options and lists important questions to consider when searching for the software that suits your needs. Optical microcavities are expected to be used for research on such devices. Enhanced nonlinear optics in photoniccrystal microcavities jorge bravoabad, alejandro rodriguez, peter bermel, steven g. May 08, 20 8 may 20 second order optical nonlinear processes as tools to probe anomalies inside high confinement microcavities. Physics department and research laboratory of electronics, mit, cambridge, ma 029, usa abstract. This research program has lead to new understanding on nonlinear optical processes in the nonperturbative regime in semiconductor microcavities and to. Although similar to those observed in biological and chemical systems, these excitable optical waves are selfcon.
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