Photonic crystal modulator
WebWe report a novel photonic scheme to generate background-free phase-coded microwave pulses with elimination of power fading by cascading a dual-polarization dual-parallel Mach–Zehnder modulator (DP-DPMZM) and a polarization modulator (PolM). The DP-DPMZM is driven by a radio frequency (RF) signal to generate two first-order optical … WebWe present an agile optically controlled switch or modulator of terahertz (THz) radiation. The element is based on a one-dimensional photonic crystal with a GaAs wafer inserted …
Photonic crystal modulator
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WebJan 7, 2024 · Graphene-Assisted Tunable D-Shaped Photonic Crystal Fiber Sensor in Visible and IR Regions. ... Additionally, EAM provides a single optical power source for numerous data-carrying beams. EAM is a ... WebOct 30, 2024 · We have proposed and designed a high-speed and high-performance optically controlled terahertz (THz) intensity modulator based on the free carrier modulation of a GaAs semiconductor. The device comprises a photonic crystal cavity–waveguide coupling structure for operation in the THz region. This modulator benefits from the strong …
Webphotonic crystal hybrid structures was first investigated by introducing one or more PMMA defects in the periodic 1D structure as illustrated schematically in Figure 1A. A typical photoluminescence (PL) image18 recorded from a CdS nanowire photonic crystal structure with a single defect consisting of the removal of 5 grating periods is shown in ...
WebJun 18, 2024 · Neural networks based on optoelectronics could be more than a million times as fast as electronic implementations, opening uncharted regimes of information … WebMar 1, 2009 · A high-speed compact silicon modulator based on the lateral capacitor configuration is experimentally demonstrated with low-power consumption and 3 dB modulation depth and provides a V(pi)L figure of merit of 0.18 Vcm at the wavelength of 1548 nm. A high-speed compact silicon modulator based on the lateral capacitor …
WebMar 15, 2007 · We present an agile optically controlled switch or modulator of terahertz (THz) radiation. The element is based on a one-dimensional photonic crystal with a GaAs …
WebGraphene has been widely used in silicon-based optical modulators for its ultra-broadband light absorption and ultrafast optoelectronic response. By incorporating graphene and slow-light silicon photonic crystal waveguide (PhCW), here we propose and experimentally demonstrate a unique double-layer graphene electro-absorption modulator in … highland 700WebJan 1, 2024 · A side-coupled photonic crystal cavity modulator with the EO bandwidth of 2.8 GHz (limited by the large resistance) and 5 Gb/s modulation is presented [160]. The highest speed photonic crystal ... highland 6969 hollister st houston tx 77040Web2 days ago · It will also be imperative to investigate the integration of the NDR diode in other modulator and nanophotonic devices such as Mach-Zehnder modulators and study potential applications in ... The dimensions of the device can be further reduced by using other types of resonators, such as 1D photonic crystal, and perhaps even plasmonic resonators. ... how is attrition calculatedWebWe report LiNbO3 photonic-crystal electro-optic modulators (EOMs) with a modulation efficiency up to 11 pm/V and a bandwidth up to 17.5 GHz, the smallest LiNbO3 EOM ever … highland 74 pdsWebin Fig. 1(a). The hexagonal lattice photonic crystal slab waveguide, with a thickness of t ¼ 230nm, has a lattice constant of a ¼ 425nm and a hole diameter of d ¼ 297nm. A W1.3 waveguide (the air hole spacing outside the slot is W ¼ 1:3 ffiffiffi 3 p a) is chosen, with a total photonic crystal length of 340μm. The silicon photonic crystal re- how is attr diagnosedWebJun 1, 2010 · A novel Mach–Zehnder interferometer (MZI) modulator based on a lithium niobate photonic crystal waveguide is proposed. For an optimized design of photonic crystal structure with low group velocity dispersion and low transmission loss, we realize an optimized modulator with a length of only 42.6 µm, a small driver voltage 1.25 V and a … highland 74-arWebApr 14, 2024 · In addition, the slotted waveguide structure minimizes the length of the modulator, allowing photonic devices to be integrated on the chip with relative ease. ... Electro-optic polymer infiltrated silicon photonic crystal slot waveguide modulator with 23 dB slow light enhancement. Appl. Phys. Lett., 97 (2010), Article 093304. Google Scholar [6] highland 75 corporate/industrial park