Mitigating Water Absorption in Waveguides Made From Unannealed PECVD SiO2 [0.03%]
未退火PECVD二氧化硅波导的吸水性研究
Thomas Wall,Steven Hammon,Erik Hamilton et al.
Thomas Wall et al.
Water absorption was studied in two types of waveguides made from unannealed plasma enhanced chemical vapor deposition (PECVD) SiO2. Standard rib anti-resonant reflecting optical waveguides (ARROWs) were fabricated with thin films of differ...
Ghost reduction in CP-SSOCT having multiple references using Fourier-domain Shift and Sum [0.03%]
基于傅立叶域平移和求和的多参考CP-SS-OCT鬼影缩减方法
Gyeong Woo Cheon,Peter L Gehlbach,Jin U Kang
Gyeong Woo Cheon
We propose, test and validate a novel Fourier-domain based method for ghost image artifacts reduction in a common-path SSOCT system having multiple adjacent reference planes. Common-path probes with imaging systems containing high-index sap...
Gigacount/second Photon Detection Module Based on an 8 × 8 Single-Photon Avalanche Diode Array [0.03%]
一种基于8×8单光子雪崩二极管阵列的千兆计数率探测模块
Francesco Ceccarelli,Angelo Gulinatti,Ivan Labanca et al.
Francesco Ceccarelli et al.
In this letter we present a compact photon detection module, based on an 8×8 array of single-photon avalanche diodes (SPADs). The use of a dedicated silicon technology for the fabrication of the sensors allows us to combine large active ar...
Xiaomin Liu,Guillermo E Villanueva,Jesper Lægsgaard et al.
Xiaomin Liu et al.
We investigate the noise properties of a femtosecond all-fiber Cherenkov radiation source with emission wavelength 600 nm, based on an Yb-fiber laser and a highly nonlinear photonic crystal fiber. A relative intensity noise as low as 103 dB...
A Self-Synchronized Optoelectronic Oscillator based on an RTD Photo-Detector and a Laser Diode [0.03%]
一种基于雪崩光电二极管和半导体激光器的自同步光电子振荡器
Bruno Romeira,Kris Seunarine,Charles N Ironside et al.
Bruno Romeira et al.
We propose and demonstrate a simple and stable low-phase noise optoelectronic oscillator (OEO) that uses a laser diode, an optical fiber delay line and a resonant tunneling diode (RTD) free-running oscillator that is monolithic integrated w...
Characterization and Analysis of Relative Intensity Noise in Broadband Optical Sources for Optical Coherence Tomography [0.03%]
宽带光学相干层析成像光源的相对强度噪声的表征与分析
Sunghwan Shin,Utkarsh Sharma,Haohua Tu et al.
Sunghwan Shin et al.
Relative intensity noise (RIN) is one of the most significant factors limiting the sensitivity of an optical coherence tomography (OCT) system. The existing and prevalent theory being used for estimating RIN for various light sources in OCT...
Soliton Thulium-Doped Fiber Laser With Carbon Nanotube Saturable Absorber [0.03%]
石墨烯饱和吸收体固态掺铥孤子光纤激光器
K Kieu,F W Wise
K Kieu
We report stabilization of a thulium-holmium codoped fiber soliton laser with a saturable absorber based on carbon nanotubes. The laser generates transform-limited 750-fs pulses with 0.5-nJ energy.
Hollow ARROW Waveguides on Self-Aligned Pedestals for Improved Geometry and Transmission [0.03%]
自对准底座空心ARROW波导管，可改善几何结构和传输性能
Evan J Lunt,Bin Wu,Jared M Keeley et al.
Evan J Lunt et al.
Micrometer-sized hollow antiresonant reflecting optical waveguides on silicon substrates have been previously demonstrated with liquid and gas-filled cores. Previous designs have nonideal geometries, with nonuniform lateral layers around th...
Optofluidic Waveguides in Teflon AF-Coated PDMS Microfluidic Channels [0.03%]
聚二甲基硅氧烷微流控通道中经特氟龙AF包覆的光波导
Sung Hwan Cho,Jessica Godin,Yu-Hwa Lo
Sung Hwan Cho
We report a new method for fabricating an optofluidic waveguide that is compatible with polydimethylsiloxane (PDMS). The light path follows the microfluidic channels, an architecture that can maximize detection efficiency and make the most ...
Wide Tuning Range Wavelength-Swept Laser With Two Semiconductor Optical Amplifiers [0.03%]
具有两个半导体光放大器的宽调谐范围的分布式反馈激光器
W Y Oh,S H Yun,G J Tearney et al.
W Y Oh et al.
We demonstrate a wide tuning range high-speed wavelength-swept semiconductor laser based on a polygon scanning filter that is common to two laser cavities. Linear wavelength tuning was achieved over 145 nm around 1310 nm at a tuning repetit...