2D Mechanical Metamaterials with Widely Tunable Unusual Modes of Thermal Expansion.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201905405
Abstract: Most natural materials expand uniformly in all directions upon heating. Artificial, engineered systems offer opportunities to tune thermal expansion properties in interesting ways. Previous reports exploit diverse design principles and fabrication techniques to achieve a… read more here.
Keywords: expansion; metamaterials widely; widely tunable; mechanical metamaterials ... See more keywords
Widely Tunable Optical and Thermal Properties of Dirac Semimetal Cd3As2
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Optical Materials"
DOI: 10.1002/adom.201901192
Abstract: In this paper, a detailed analysis of the temperature‐dependent optical properties of epitaxially grown cadmium arsenide (Cd3As2), a newly discovered 3D Dirac semimetal is reported. Fermi level tuning—instigated from Pauli‐blocking in the linear Dirac cone—and… read more here.
Keywords: tunable optical; optical thermal; widely tunable; dirac semimetal ... See more keywords
Widely tunable 780 nm distributed feedback laser based on high-order surface isolation grooves
Sign Up to like & getrecommendations! Published in 2021 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2021.106920
Abstract: Abstract Widely tunable distributed feedback (DFB) lasers based on surface isolation grooves were developed using i-line lithography. Periodic p-electrodes on mesas enabled the realization of a great tunability. It is to be mentioned that, our… read more here.
Keywords: distributed feedback; widely tunable; surface isolation; isolation grooves ... See more keywords
Concept and numerical simulations of a widely tunable GaAs-based sampled-grating diode laser emitting at 976 nm
Sign Up to like & getrecommendations! Published in 2017 at "Iet Optoelectronics"
DOI: 10.1049/iet-opt.2016.0068
Abstract: Tunable diode lasers are essential components in various optical systems. The authors present a concept and simulations of a four-section, widely tunable GaAs-based sampled-grating (SG) distributed-Bragg reflector (DBR) laser emitting at 976 nm. This work… read more here.
Keywords: gaas based; laser; based sampled; widely tunable ... See more keywords
Ultra High Q and Widely Tunable Mie Resonance Nanofilter at Telecom Wavelengths
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2021.3087743
Abstract: Mie resonators offer a novel way for the subwavelength localization of light, showing large local field enhancement without metal optical absorption. In this paper, an ultra-high quality factor Q and widely tunable Mie resonance nanofilter… read more here.
Keywords: mie resonance; tunable mie; ultra high; widely tunable ... See more keywords
Widely Tunable Laser on an InP Photonic Integrated Circuit
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2019.2958711
Abstract: We present a widely tunable laser design based on three intra-cavity Mach-Zehnder interferometers. The laser has been fabricated in a multi-project wafer run and does not require high precision lithography, as needed for SGDBR lasers.… read more here.
Keywords: laser inp; tunable laser; photonic integrated; widely tunable ... See more keywords
Widely tunable bandpass filter based on resonant optical tunneling.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.023633
Abstract: We describe a tunable bandpass filter and polarizer based on resonant tunneling through an air gap between two hemi-cylindrical prisms coated with 4-layer a-Si/SiO2 matching stacks. Tuning is achieved by simultaneous variations in the incident… read more here.
Keywords: tunable bandpass; based resonant; bandpass filter; filter ... See more keywords
Up to 50 Gb/s modulation of an EAM integrated widely tunable DBR laser.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.408722
Abstract: An electro-absorption modulator (EAM) integrated widely tunable distributed Bragg reflector (DBR) laser working at 1.5 µm is reported. By utilizing the RF resonance between the bonding wire and the EAM, a 28 GHz modulation bandwidth is obtained.… read more here.
Keywords: eam integrated; eam; widely tunable; dbr laser ... See more keywords
Butterfly-packaged multi-channel interference widely tunable semiconductor laser with improved performance.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.414376
Abstract: A multi-channel interference (MCI) widely tunable semiconductor laser is described in detail with improved performance in this paper. The MCI laser without the common phase section was packaged into a standard 14-pin butterfly package. The… read more here.
Keywords: tunable semiconductor; widely tunable; laser; multi channel ... See more keywords
High energy widely tunable narrow-linewidth Ti:sapphire laser using combined-cavity configuration.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.453959
Abstract: A high-energy narrow-linewidth Ti:sapphire laser with widely tunable wavelength was investigated. The Littman cavity was seeded by an extended prism cavity, and they were coupled together by sharing a partial reflection mirror. The widely wavelength… read more here.
Keywords: cavity; high energy; laser; widely tunable ... See more keywords
Performance investigation of high-efficiency widely tunable subnanosecond optical parametric generator and amplifier based on MgO:PPLN.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.459826
Abstract: We report on experimental and theoretical studies of widely tunable high-efficiency subnanosecond optical parametric generator (OPG) and amplifier (OPA) based on a 2 cm long multigrating MgO-doped periodically-poled lithium niobate (MgO:PPLN) crystal pumped by a… read more here.
Keywords: parametric generator; high efficiency; subnanosecond optical; widely tunable ... See more keywords