Photonic crystal (pc) slab acting as a low-loss microcavity and, more importantly, by synergistically combining their advantages to produce a much stronger local ﬁeld enhancement than that of. Type structures, 2-d photonic crystals can be exploited to realize microcavity lasers and linear waveguides to direct the electromagnetic wave towards specific regions, thus allowing high. Photonic crystals the periodic arrangement of ions on a lattice gives rise to the energy band structure in semiconductors energy bands control the motion of charge carriers through the crystal.
Optical trapping in a photonic crystal microcavity: chip based cavity qed hamed mirsadeghi and jeff young, dept of physics and astronomy, university of british columbia, vancouver, canada. Quasiperiodic photonic crystal microcavity lasers kengo nozaki and toshihiko babaa) yokohama national university, department of electrical and computer engineering, 79-5 tokiwadai,. Silicon on-chip bandpass filters for the multiplexing of high sensitivity photonic crystal microcavity biosensors hai yan,1,a) yi zou,1 swapnajit chakravarty,2,b) chun-ju yang,1 zheng wang,1,3. Monolithic single gan nanowire laser with photonic crystal microcavity on silicon junseok heo, wei guo, and pallab bhattacharyaa center for nanoscale photonics and spintronics, university of michigan, ann arbor,.
In practice, a 2-dimensional (2d) photonic crystal slab has emerged as one of the most important platforms to fabricate a high quality factor (q) optical microcavity, such as ln cavity , mode-gap cavity , and h0 nanocavity used in this paper recently, most of the reported 2d phc based microcavities are formed from periodic air hole-array. Photonic crystal waveguide fabricated in silicon-on-sapphire working in mid-ir regime at 343lm using a ﬁxed wavelength laser source, propagation characteristics of pc waveguides without microcavity are characterized as a function of lattice constant to determine the light line position,. Selvaraja s k et al fabrication of photonic wire and crystal circuits in silicon-on-insulator using 193-nm optical lithography ieee j lightwave tech 27 , 4076–4083 (2009) bogaerts w et al nanophotonic waveguides in silicon-on-insulator fabricated with cmos technology . Selective growth of an ingaas qw active layer in a photonic crystal optical microcavity conference proceedings - lasers and electro-optics society annual meeting-leos , 2 , 696-697 selective growth of an ingaas qw active layer in a photonic crystal optical microcavity.
Photonic crystals whose complete photonic bandgap overlaps with the mode frequency of the 2d slab optical components in this work, we demonstrate the enhance-ment of the q factor by using a simple but low-q 2d microcavity design—a 2d slab triangular lattice photonic crystal missing a single hole, ie, the so-called l1 cavity . The photonic crystal waveguide (pcw) is a hexagonal structure with a w1 line defect waveguide with uniform lattice constant a=400nm, where w1 denotes that width of the pcw is ¥ 3a silicon slab thickness and air hole diameter are. Dimensional photonic crystal microcavity in this report, i tried to present at best the work i did in the first part of my internship, i assisted mchiasera in the fabrication of a microcavity.
Design of the photonic crystal structure the 2d photonic crystal structure designed in this work consists of a triangular lattice of air holes etched in silicon slab the pc structure has a lattice constant a = 440 nm and a bulk air holes radius of 036a the refractive index of si is approximately 332 at a wavelength of 155 μm. A novel photonic crystal band-pass filter using degenerate modes of a point-defect microcavity for terahertz communication systems microcavity, the photonic band . A high quality factor photonic crystal channel-drop filter microcavity, a large proportion of the photons will flow back to the bus waveguide many researchers .
Yan h, zou y, chakravarty s, yang cj, wang z, tang n et al silicon on-chip bandpass filters for the multiplexing of high sensitivity photonic crystal microcavity biosensors applied physics letters 2015 mar 23106(12) 121103. A novel photonic crystal band-pass filter using degenerate modes of a point-defect microcavity for terahertz communication systems a point defect microcavity is . Photoluminescence from photonic crystal microcavity view the table of contents for this issue, or go to the journal homepage for more photonic crystals, are .
The unidirectional coupling of a microcavity mode to a ridge waveguide in a slab photonic crystal structure was investigated for the first time experimental observation of the coupling efficiency for the signal coupled out of the structure is in good agreement with the result of three-dimensional finite-difference time-domain simulations. 98 safia arafa et al: design of optical filter based on photonic crystal squared silicon nitride microcavity one another the aim of our study is to design a compact structure for. Reviewarticle review of design principles of 2d photonic crystal microcavity biosensors in silicon and their applications swapnajitchakravarty( )1,xiangningchen2,3,naimeitang2,wei-chenglai2,yi zou2,haiyan2,. A photonic crystal is a periodic optical nanostructure that affects the motion of photons in much the same way that ionic lattices affect electrons in solids photonic crystals occur in nature in the form of structural coloration and animal reflectors, and, in different forms, promise to be useful in a range of applications.
References motivations qw-based photonic crystal lasers qd-based photonic crystal lasers conclusions photonic crystal defect microcavity lasers. Summary form only given: amplification in rare-earth doped solid state planar optical structures has attracted a lot of interest in recent years due to the. In this paper, the non-markovian dynamics of a microcavity coupled to a waveguide in photonic crystals is studied based on a semi-finite tight binding model using the exact master equation, we solve analytically and numerically the general and exact solution of the non-markovain dynamics for the cavity coupled to the waveguide in different coupling regime.