Pulse characteristics in a doubly Q-switched Nd:GGG laser with an acousto-optic modulator and a monolayer graphene saturable absorber
Sign Up to like & getrecommendations! Published in 2017 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2017.05.019
Abstract: Abstract A doubly Q-switched Nd:GGG laser emitting 1064 nm wavelength with an acousto-optic modulator (AOM) and a monolayer graphene saturable absorber (SA) is presented to study the pulse characteristics. In comparison with singly passive Q-switched laser… read more here.
Keywords: switched ggg; optic modulator; acousto optic; ggg laser ... See more keywords
Single-Nanowire Thermo-Optic Modulator Based on a Varshni Shift
Sign Up to like & getrecommendations! Published in 2020 at "ACS Photonics"
DOI: 10.1021/acsphotonics.0c00917
Abstract: The rapid development of nanotechnology has spurred great efforts in improving thermo-optic (TO) modulators with higher performances for optical signal processing and interconnects, in which reduci... read more here.
Keywords: optic modulator; thermo optic; single nanowire; nanowire thermo ... See more keywords
Stabilizing a laser frequency by the Pound-Drever-Hall technique with an acousto-optic modulator.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.415011
Abstract: We develop and demonstrate a method of optical phase modulation in the Pound-Drever-Hall (PDH) technique. The phase modulation in this paper is realized by an acousto-optic modulator (AOM) operating in the Bragg diffraction regime. In… read more here.
Keywords: pound drever; optic modulator; spectroscopy; acousto optic ... See more keywords
Analog stabilization of an electro-optic I/Q modulator with an auxiliary modulation tone.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.474118
Abstract: Proper operation of electro-optic I/Q modulators relies on precise adjustment and control of the relative phase biases between the modulator's internal interferometer arms. We present an all-analog phase bias locking scheme where error signals are… read more here.
Keywords: electro optic; optic modulator; stabilization electro; tone ... See more keywords
Reduction of laser intensity noise over 1 MHz band for single atom trapping.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.405002
Abstract: We reduce the intensity noise of laser light by using an electro-optic modulator and acousto-optic modulator in series. The electro-optic modulator reduces noise at high frequency (10 kHz to 1 MHz), while the acousto-optic modulator… read more here.
Keywords: intensity noise; noise; laser; optic modulator ... See more keywords
Passive quadrature demodulation of an ultrasonic fiber-optic interferometric sensor using a laser and an acousto-optic modulator
Sign Up to like & getrecommendations! Published in 2019 at "Optics Letters"
DOI: 10.1364/ol.44.002756
Abstract: We propose and demonstrate the use of a single-frequency laser and an acousto-optic modulator (AOM) for quadrature demodulation of fiber-optic ultrasonic sensors whose spectrum features sinusoidal fringes. The light from the laser is split into… read more here.
Keywords: optic modulator; acousto optic; laser acousto; quadrature demodulation ... See more keywords
Compact substrate-removed thin-film lithium niobate electro-optic modulator featuring polarization-insensitive operation.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.454277
Abstract: A compact polarization-insensitive electro-optic (EO) modulator, which allows the laser and modulator to be located at different locations while using a standard single-mode fiber to interconnect them, is highly desirable for 5G or future 6G… read more here.
Keywords: polarization insensitive; optic modulator; substrate removed; modulator ... See more keywords
Plasmonic electro-optic modulator based on degenerate semiconductor interfaces
Sign Up to like & getrecommendations! Published in 2020 at "Nanophotonics"
DOI: 10.1515/nanoph-2019-0518
Abstract: Abstract We present a semiconductor-based optoelectronic switch based on active modulation of surface plasmon polaritons (SPPs) at lattice-matched indium gallium arsenide (In0.53Ga0.47As) degenerately doped pn++ junctions. The experimental device, which we refer to as a… read more here.
Keywords: modulation; optic modulator; semiconductor; electro optic ... See more keywords
Multi-Parameter Optimization of an InP Electro-Optic Modulator
Sign Up to like & getrecommendations! Published in 2020 at "Symmetry"
DOI: 10.3390/sym12111920
Abstract: In this article, a method for indium phosphide (InP) electro-optic modulator (EOM) optimization is introduced. The method can be used for the design and analysis of an EOM based on the Mach-Zehnder interferometer (MZI) design.… read more here.
Keywords: optic modulator; inp electro; electro optic; optimization ... See more keywords