Optically nonlinear spatial and spectral processes in. He was educated at the university of cambridge where he was an undergraduate student of. Efficient design of coupled microcavities at optical frequencies. Optical processes in microcavities download pdfepub ebook. Labelfree, singlemolecule detection with optical microcavities. The former type is a standing wave cavity, and the latter is a traveling wave cavity.
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. Introduction to tubular microcavities miniaturization and integration are hot research topics in modern. Optically nonlinear spatial and spectral processes in semiconductor microcavities. Optical microcavities are expected to be used for research on such devices. Transferprinting of tunable porous silicon microcavities. The universal importance of these structures has made them indispensable to a wide range of fields. 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. Transferprinting of tunable porous silicon microcavities with embedded emitters hailong ning.
Thus, it is expected that the optical cavity can directly and efficiently interact with the monolayer. The effective mode area a effandthe effective refractive index of the microcavities are not changed by the presence of the ultrathin free method capable of observing enzymatic interactions and associated conformational changes on a singlemolecule level. Physics and device applications of optical microcavities. The editors have selected leading scientists who have made seminal contributions in different aspects of optical processes in 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. 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. Optical processes in microcavities advanced series in. The effective mode area a effandthe effective refractive index of the microcavities are not changed by the presence of the ultrathin optical emission. Optical processes of organic emitters in optical microcavity. It is found that the energies of the peaks observed in the angleresolved transmittance spectra of the coupled microcavity change with the incident angle of light, and show the anticrossing behaviors around. Optical resonances in rotating dielectric microcavities of deformed shape raktim sarma,1 li ge,2,3 and hui cao1, 1department of applied physics, yale university, new haven, connecticut 065208482, usa. Optical processes in microcavities advanced series in applied. Porous sisio2 uv microcavities are used to modulate a broad responsivity photodetector gvgrt10gd with a detection range from 300 to 510 nm.
To efficiently excite the whisperinggallery modes, tapered optical fibers are used and the coupling to ultrahighq modes studied. 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. We study theoretically and numerically the effect of rotation on resonant frequencies of microcavities in a rotating frame of reference. Photonic crystals and microcavities are extensively described, including nonlinear optical effects.
Polaritons are a mixture of photons and semiconductor excitons that display different properties from either the. Below the value, a region of rotation rate exists where there is no resulting the frequency shifts proportional to the. Optical processes in microcavities advanced series. 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. Watson laboratory of applied physics, california institute of technology, pasadena, california 91125, usa. By building semiconductor microcavities across which we can apply a voltage, polaritons can be polarised. Optical processes in microcavities advanced applied. Request pdf optical microcavities optical microcavities confine light to small. Lowthreshold parametric oscillation in organically. They are the basis of numerous applied and fundamental studies, such as cavity qed, photonics and sensing. Optical microcavities confine light at resonant frequencies for extended periods of. The design problem is formulated as an optimization problem with a unique global solution. Unlike traditional gas lasers, semiconductor lasers are invariably much smaller in dimensions, making optical confinement more critical than ever. Read optical processes in microcavities advanced series in applied physics for online ebook.
I articles physics and deviceapplications of optical microcavities h. Optical processes in microcavities advanced applied physics. Freespace excitation of microsphere whisperinggallery modes is extremely. Biosensing with optical microcavities spie digital library. Spatial structure of the macroscopically occupied polariton state in the microcavity optical parametric oscillator. It finds application in a wide range of different optical processes, ranging from elastic. 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. Apr 10, 20 we report the optical properties of the asymmetric coupled cucl microcavities, consisting of one optically active cuclcavity and one emptycavity, fabricated by vacuum deposition method. The dielectric microstructures act as ultrahigh q factors optical cavities, which modify the spontaneous emission rates and alter the spatial distributions of the. Optical microcavities storing light for a long time in a small volume microcavity characteristics. The dynamics of these qnasibosons are stndied using a range of optical spectroscopy techniques. Introduction to tubular microcavities miniaturization and integration are hot research topics in modern optics and related. The universal importance of these structureshas made them indispensable to a wide range of fields. Us20040150818a1 optical devices and methods employing.
Optical resonances in rotating dielectric microcavities of. Using total internal reflection from a dielectric interface or a photonic band gap in a periodic system, these photonic structures do not rely on conventional metalcoated mirrors to confine. Optical microcavities are structures that enable confinement of light to microscale volumes. Yokoyama optical microcavities are resonators that haveat least onedimension onthe order of a single optical wavelength. The emerging fields of semiconductor nanocrystals and. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. In article number 1900849, andrea fratalocchi and co. 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. 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. Optical processes in microcavities advanced series in applied physics free pdf d0wnl0ad, audio books. Efficient design of coupled microcavities at optical. This can make extremely fast electricallycontrolled optical amplifiers as well as spin switches.
Cavity rotation causes the shifts of the resonant frequencies proportional to the rotation rate if it is larger than a certain value. In the new configuration, a free space pump laser beam illuminates the pillar supporting the microcavity, which warms. The researchers have developed a tuning method for ultrahighq toroidal optical microcavities capable of rapid modulation and resonance position control. For example, in a simple optical waveguide sensor, the input light has only one opportunity to. Nonlinear optics in ultrahighq whisperinggallery optical. Studies of optical microresonators with dimensions between 0. The wgms of a circular resonator are straightforward to calculate exactly, because the helmholtz equation separates in cylinder coordinates r. 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. They can, for example, modify the spatial distribution ofradiation power. These structures enable oneto control the optical emission properties of materials placed inside them. Stokes soliton in optical microcavities request pdf. Optical microcavities confine light at resonant frequencies for extended. 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.
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. Aug 14, 2003 optical microcavities confine light to small volumes by resonant recirculation. Regarding to legality, in some countries it may perfectly legal to download files such as ebooks for personal use only with some. Optical microcavities confine light to small volumes by resonant recirculation. Optical microcavities confine light at resonant frequencies for extended periods of time and fundamentally alter the interaction of light with matter. Devices based on optical microcavities are already indispensable for a wide range of applications and studies.
About the editorkerry vahala is the ted and ginger jenkins professor of information science and technology and profes. Optical microcavities have attracted tremendous interest in both fundamental and applied research in the past few decades, thanks to their small footprint, easy integrability, and high quality factors. Optical microcavities are structures that enable confinement of lightto microscale volumes. The uv microcavity filters modified the responsivity at short wavelengths, while in the visible range the filters only attenuated the responsivity. Various efficient filter designs are obtained at both the drop and through ports. Spontaneous emission experimentswith optical microcavities. In this thesis the nonlinear optical phenomena which can occur in ultrahighq microcavities are investigated. Second order optical nonlinear processes as tools to probe. Minimizing energy consumption for signal processing using. This confinement allows photons trapped in the microcavity to strongly interact with matter, creating new quasiparticles called polaritons. Optical properties of asymmetric coupled cucl microcavities. May 08, 20 8 may 20 second order optical nonlinear processes as tools to probe anomalies inside high confinement microcavities. Microcavities are wavelengthsized optical cavities that trap light at specific wavelengths.
Spontaneous coherent phase transition of polaritons in cdte microcavities. It has been shown previously tlmat resonant injection of polaritons nsing a continuous wave laser allows the. Simple and efficient approaches for filter design at optical frequencies using a large number of coupled microcavities are proposed. Lowthreshold parametric oscillation in organically modified. Spatial properties and coherence of the high desnity phase in the microcavity optical parametric oscillator. If the address matches an existing account you will receive an email with instructions to reset your password. We monitor polymerasedna interactions via the strong nearfield enhancement provided by plasmonic nanorods resonantly coupled to whispering gallery modes in microcavities. Tuning optical properties of single emitters with microcavities. Our approaches are illustrated through a number of examples. Nanophotonicsis a comprehensive introduction to the emerging area concerned with controlling and shaping optical fields at a subwavelength scale.
In particular, for small cavities where the free spectral range is large and. Us20040150818a1 us10661,319 us661903a us2004150818a1 us 20040150818 a1 us20040150818 a1 us 20040150818a1 us 661903 a us661903 a us 661903a us 2004150818 a1 us2004150818 a1 us 2004150818a1 authority us united states prior art keywords medium microcavity optical method providing prior art date 19990517 legal status the legal status is an. Localprobe techniques are presented and are used to characterize plasmonic devices. Of all resonant geometries, surface tensioninduced microcavities, such as silica microspheres, exhibit the highest qfactor to date of. Emission intensity distribution patterns of electric dipoles directed along the y axis in b free space, c a2 cavity, and d 7a2 cavity.
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