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Type of laser diode
A distributed-feedback laser (DFB) is a type of laser diode, quantum-cascade laser or optical-fiber laser where the active region of the device contains
Distributed-feedback_laser
Semiconductor laser
extended-cavity diode lasers and volume Bragg grating lasers, but these are not properly called DBR lasers. A distributed-feedback laser (DFB) is a type of
Laser_diode
A distributed Bragg reflector laser (DBR) is a type of single frequency laser diode. Other practical types of single frequency laser diodes include DFB
Distributed Bragg reflector laser
Distributed_Bragg_reflector_laser
Laser that uses a carbon-based material as the gain medium
tandem OLED devices. Organic lasers are also available in distributed feedback configurations and distributed feedback waveguides. Nanoparticle Organic
Organic_laser
Laser whose optical feedback occurs from scattering
in contrast to Fabry–Pérot cavities and distributed feedback lasers, neither reflective surfaces nor distributed periodic structures are used in RLs, as
Random_laser
Topics referred to by the same term
beamforming, in radar, sonar, audio, and other sensor arrays Distributed-feedback laser, a type of a laser Edopi language Search for "d-b-f" or "dbf" on Wikipedia
DBF
Laser with a dye-doped organic matrix
dye lasers were demonstrated with the introduction of distributed feedback laser designs in 1999 and distributed feedback waveguides in 2002. Laser linewidth
Solid-state_dye_laser
American physicist and engineer
integrated optical devices. His innovation was the beginning of the "distributed feedback laser." He also contributed the development of wavelength-division multiplexing
Herwig_Kogelnik
Device used for modulating a laser beam
communication. A convenient feature is that an EAM can be integrated with distributed feedback laser diode on a single chip to form a data transmitter in the form
Electro-absorption_modulator
Optical instrument
of the QC device. A distributed feedback (DFB) quantum cascade laser is similar to a Fabry–Pérot laser, except for a distributed Bragg reflector (DBR)
Quantum-cascade_laser
Topics referred to by the same term
Köppen climate classification for a humid continental climate Distributed-feedback laser Deerfield Beach, Florida, a city in the United States This disambiguation
DFB
Microchip manipulating light instead of electricity
communication systems is the externally modulated laser (EML) which combines a distributed feedback laser diode with an electro-absorption modulator. The
Photonic_integrated_circuit
Taiwanese electronics company
Manufacturing Execution System (MES) VCSEL Testing Fabry–Pérot laser and Distributed Feedback Laser Testing Solar Cell Testing PIN photodiode and Avalanche photodiode
Chroma_ATE
– distributed Bragg reflector DCM – dispersion-compensation module [citation needed] or double-chirped mirror DFB laser – distributed feedback laser DFG
Laser_acronyms
Laser using an optical fiber as the active gain medium
provide optical feedback. They may also be designed for single longitudinal mode operation of ultra-narrow distributed feedback lasers (DFB) where a phase-shifted
Fiber_laser
tunable lasers for metro and long-haul dense wavelength-division multiplexing (WDM) systems. The company had a patented a Distributed Feedback Laser (DFB)-array
Santur_Corporation
However, certain digital transmitters such as those employing a Distributed Feedback Laser may be affected by back reflection and then fall outside specifications
Index-matching_material
Transmitting information over optical fiber
semiconductor laser transmitters used in fiber optics include VCSEL, Fabry–Pérot and distributed-feedback laser. A semiconductor laser emits light through
Fiber-optic_communication
Standards for Ethernet at ten times the speed of Gigabit Ethernet
10GBASE-LR transmitter is implemented with a Fabry–Pérot or distributed feedback laser (DFB). DFB lasers are more expensive than VCSELs, but their high power
10_Gigabit_Ethernet
British semiconductor laser physicist
emission and distributed-feedback laser modelling. In 1992 he received the J. J. Thomson Medal for Electronics for his work on semiconductor lasers and optical
George_Horace_Brooke_Thompson
wavelength distributed feedback lasers on silicon Short pulse mode locked lasers on silicon Quantum cascade lasers on silicon Interband cascade lasers on silicon
Hybrid_silicon_laser
Device that emits light via optical amplification
technologies. A laser consists of a gain medium, a mechanism to energize the gain medium, and something to provide optical feedback. The gain medium
Laser
Japanese engineer
2015 for contributions to vertical-cavity surface-emitting and distributed-feedback lasers. "2015 elevated fellow" (PDF). IEEE Fellows Directory. Archived
Haruhisa_Soda
Dispersive prism Distributed Bragg reflector Distributed acoustic sensing Distributed feedback laser Distributed temperature sensing Dopant Doppler cooling
List_of_laser_articles
Structure used in waveguides
narrow-linewidth laser diodes such as distributed feedback (DFB) lasers and distributed bragg reflector (DBR) lasers. They are also used to form the cavity
Distributed_Bragg_reflector
Laboratory in Delhi
technology. Characterization of Vertical-Cavity Surface-Emitting Lasers and Distributed Feedback Lasers; Test-beds for assessing single-photon sources; Micro Fabricated
Solid State Physics Laboratory
Solid_State_Physics_Laboratory
Prominent examples are: Distributed-feedback lasers (DFB lasers) as well as distributed-Bragg-reflector lasers (DBR lasers), where the wavelength selectivity
Volume_hologram
Nontraditional laser theory of Fabry-Perot semiconductor lasers
semiconductor lasers has been developed, it follows that refractive index n in FP lasers and effective refractive index nef in Distributed FeedBack (DFB) lasers are
Nonlinear theory of semiconductor lasers
Nonlinear_theory_of_semiconductor_lasers
Instrument for the measurement of carbon dioxide gas
a sample to pulses of electromagnetic energy (such as from a distributed feedback laser) that is tuned specifically to the absorption wavelength of CO2
Carbon_dioxide_sensor
Japanese scientist
transmission performance of fiber has increased exponentially yearly. Distributed-feedback laser Charles K. Kao Nakata, Y.; Asada, M.; Suematsu, Y. (September
Yasuharu_Suematsu
obtained. With ICLs, this can be done by making distributed feedback lasers. A distributed-feedback ICL, designed for the excitation of methane gas,
Interband_cascade_laser
Israeli-American professor
highlight of his group's work was the invention of the semiconductor distributed feedback laser, a device widely used in the Internet's fiber-optic communications
Amnon_Yariv
Laser with a variable wavelength
lasers, the laser's cavity length can be modified, and thus they can be continuously tuned over a significant wavelength range. Distributed feedback (DFB)
Tunable_laser
Type of laser
absorption feature. To date, high power diode laser locking schemes such as internal distributed feedback Bragg gratings and externally aligned volume
Diode-pumped solid-state laser
Diode-pumped_solid-state_laser
communications links, it is desirable to use a laser with a very narrow linewidth. Distributed Feedback Lasers (DFB) are popular for communications because
Intramodal_dispersion
10,000 hours), most practical laser-based absorption spectroscopy is performed today by distributed feedback diode lasers emitting in the 760 nm – 16 μm
Laser_absorption_spectrometry
German physicist and materials scientist
et al. (2016). "Structured Organic–Inorganic Perovskite toward a Distributed Feedback Laser". Advanced Materials. 28 (5): 923–929. Bibcode:2016AdM....28.
Michael_Saliba
American physicist (born 1943)
its techniques and technologies, and laser communications, and is the co-inventor of the distributed feedback laser. He studied the femtochemistry of rhodopsin
Charles_V._Shank
Spectral linewidth of a laser beam
semiconductor-based distributed-feedback lasers have typical linewidths on the order of 1 kHz. The laser linewidth from stabilized low-power continuous-wave lasers can
Laser_linewidth
German physicist
et al. (2002). "Corrugated neat thin-film conjugated polymer distributed-feedback lasers". Applied Physics B. 74 (4–5): 333–342. doi:10.1007/s003400200821
Alfons_Penzkofer
(optics) Distortion free energy density Distributed Bragg reflector Distributed acoustic sensing Distributed feedback laser Distribution function Divergence
Index_of_physics_articles_(D)
Smith chart Haruhisa Soda Vertical-cavity surface-emitting and distributed-feedback lasers Mehmet Soyuer Design of high-frequency integrated circuits Percy
List_of_electrical_engineers
Device that emites acoustic radiation
feedback-built wave of electromagnetic radiation (i.e., a laser beam), a SASER delivers a sound wave. SASER may also be referred to as phonon laser,
Sound amplification by stimulated emission of radiation
Sound_amplification_by_stimulated_emission_of_radiation
Optical instrument for non-contact measurement of angles
times more resolution. Visual autocollimators are often used for aligning laser rod ends and checking the face parallelism of optical windows and wedges
Autocollimator
Type of semiconductor laser diode
The vertical-cavity surface-emitting laser (VCSEL /ˈvɪksəl/) is a type of semiconductor laser diode with laser beam emission perpendicular from the top
Vertical-cavity surface-emitting laser
Vertical-cavity_surface-emitting_laser
Danish physicist (born 1940)
theoretical models for complex semiconductor laser structures such as external laser cavities and distributed feedback lasers in the beginning of the 1980s. Computer
Bjarne_Tromborg
Optoelectronics component
spontaneous emission generated along the waveguide but, unlike laser diodes, insufficient feedback to achieve lasing action. This is achieved through the joint
Superluminescent_diode
Type of laser
issued in 1973 described a liquid-crystal laser that uses "a liquid lasing medium having internal distributed feedback by virtue of the molecular structure
Liquid-crystal_laser
Russian-born American inventor
extended visit in 1992 to conduct research on InAlGaAs/InGaAs distributed feedback lasers at Dieter Bimberg’s laboratory at Technische Universität Berlin
Dmitri_Z._Garbuzov
Device that amplifies an optical signal
An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from the cavity is suppressed. Optical amplifiers
Optical_amplifier
American entrepreneur
collect solar energy in space and beam it back to Earth using infrared lasers, distributing energy to remote regions of the world where delivering power is expensive
Baiju_Bhatt
Corp. has distributed the PASCAL system since 2008, and acquired OptiMedica's retina and glaucoma technology in August 2010. Most ophthalmic laser delivery
Pascal_Photocoagulator
Control loop feedback mechanism
F Greg (2004), The power of external-reset feedback (PDF), Control Global Neuhaus, Rudolf. "Diode Laser Locking and Linewidth Narrowing" (PDF). Retrieved
PID_controller
Hungarian Physicist
Retrieved 2021-09-27. Hebling, J. (1987-12-15). "Excimer laser pumped distributed feedback dye laser". Optics Communications. 64 (6): 539–543. Bibcode:1987OptCo
János_Hebling
Type of distributed Bragg reflector constructed in a short segment of optical fiber
[citation needed] This supported the development of the first distributed feedback (DFB) fiber lasers, and also laid the groundwork for most complex gratings
Fiber_Bragg_grating
Technique for creating microscopic structures
Multiphoton lithography (also known as direct laser lithography or direct laser writing) is similar to standard photolithography techniques; structuring
Multiphoton_lithography
2026 film by Phil Lord and Christopher Miller
aspect ratio is used—1.43:1 for IMAX 15/70 mm or Dual Laser, 1.85:1 for Xenon or Single Laser, and 2.00:1 for non-IMAX presentations. For scenes in the
Project_Hail_Mary_(film)
Lithography using 13.5 nm UV light
synchronization with any modulation laser. High-current operation also creates challenges for vacuum systems, beam diagnostics, feedback control, and component lifetime
EUV_lithography
Electronic device/component that increases the strength of a signal
electronic devices used vacuum tubes. Early tube amplifiers often had positive feedback (regeneration), which could increase gain but also make the amplifier unstable
Amplifier
Weather phenomenon involving electrostatic discharge
Predictions of this feedback can vary, resulting in either no change (net zero feedback), or a warming effect (positive feedback), depending on the method
Lightning
American home video distribution company
tracks. Criterion has produced and distributed more than 1,500 special editions of its films in VHS, Betamax, LaserDisc, DVD, Blu-ray, and Ultra HD Blu-ray
The_Criterion_Collection
American control theorist
swapping, passivity-based identifiers, adaptive CLFs and ISS-CLFs, and output-feedback adaptive nonlinear and linear controllers based on backstepping. STOCHASTIC
Miroslav_Krstić
Overview of and topical guide to electrical engineering
Input-to-state (ISS) stability Controllability Observability Negative feedback Positive feedback System modeling and analysis: System identification State observer
Outline of electrical engineering
Outline_of_electrical_engineering
Austrian electrical engineer
and Alfred Y. Cho. Single-mode, Tunable Distributed-Feedback and Multiple-Wavelength Quantum Cascade Lasers. IEEE J. Quantum Electron. 38, 569 - 581
Claire_F._Gmachl
Technological innovations that have historically increased productivity
replace individual controllers. By the late 1930s feedback control was gaining widespread use. Feedback control was an important technology for continuous
Productivity-improving technologies
Productivity-improving_technologies
of the light source, typically a laser diode with one or two cavity designs such as Fabry-Perot or distributed feedback (DFB). At the receiver end, direct
Intensity_modulation
Software infrastructure for building distributed control systems
often feature large numbers of networked computers delivering control and feedback. They also provide SCADA capabilities. EPICS was initially developed as
EPICS
Device that converts sound into an electrical signal
tabletop experiment; the latter requires an extremely stable laser and precise optics. Laser microphones have been studied for their ability to detect sound
Microphone
1983 video game
Astron Belt (アストロンベルト) is a LaserDisc video game in the form of a third-person, space combat rail shooter, released in arcades in 1983 by Sega in Japan
Astron_Belt
Concept in optics
supercontinuum pumped by a fibre-based laser was reported by Chernikov et al. in 1997. They made use of distributed backscattering to achieve passive Q-switching
Supercontinuum
2026 multiplayer video game
named Feint posted a report on Medium about a Steam Workshop map named "Laser Tag Neon", which contained a Remote Access Trojan. According to Feint, the
Meccha_Chameleon
Device for monitoring particle contamination
light source (a laser), a controlled media flow (air, gas or liquid) and highly sensitive light-gathering detectors (a photo detector). Laser optical particle
Particle_counter
these functions correspond to system analysis by means of external feedback (feedback control). Until recently no creative interaction of physics and control
Cybernetical_physics
Ghanaian-American engineering professor (born 1952)
coherently coupled laser arrays; the physics of quantum tunneling time; polarization instabilities and distributed-feedback fiber Raman lasers." A close colleague
Herbert_Winful
Clock that monitors the resonant frequency of atoms
Technological developments such as lasers and optical frequency combs in the 1990s led to increasing accuracy of atomic clocks. Lasers enable the possibility of
Atomic_clock
Brazilian assault rifle
sights and precision optical equipment ineffective as the zero of sights and lasers is not maintained consistently while firing. This greatly limits the rifle's
IMBEL_IA2
Skin condition where patches lose pigment
transcription proteins (STATs), being triggered by T cells and creating a positive feedback loop with interferon-gamma (IFN-γ) chemokines (a form of cytokine signaling
Vitiligo
British physicist
countries. Silver began his academic career in the Department of Atomic and Laser Physics at the University of Oxford, ultimately leading a research group
Joshua_Silver
Method to measure velocities in fluid
laser sources, cameras, and image analysis techniques. Advances in laser technology have led to the use of high-power lasers, such as Nd:YAG lasers and
Particle_image_velocimetry
Sensor that uses optical fiber
km) remote interrogation sensor network based on a random distributed feedback fiber laser". Optics Express. 26 (21): 27189–27200. Bibcode:2018OExpr.
Fiber-optic_sensor
Process of forming order by local interactions
random fluctuations, amplified by positive feedback. The resulting organization is wholly decentralized, distributed over all the components of the system
Self-organization
2012 single by Porno Graffitti
for this work is the first in a Japanese music video to use topic lights (laser lighting), and the lighting effects are completely computer-generated, making
2012_Spark
Calendar invites a user to clear their schedule, one meeting at a time, with laser-sharp precision. Click the Gear icon, then select Play a game (alternatively
List of Google April Fools' Day jokes
List_of_Google_April_Fools'_Day_jokes
Disc-shaped analog sound storage medium
creating 3D topographic audio data files. The software provides a map for laser-engraving for HD Vinyl stampers. The audio engineering software was created
Phonograph_record
Country in Northern Europe
nanotechnology. The Vilnius University Laser Research Center has developed one of the most powerful femtosecond lasers in the world dedicated primarily to
Lithuania
Live weapons training simulator
Action Review (AAR) feedback. Designed and manufactured by Aerotech,"The SMODIM was fully compatible with the multiple integrated laser engagement system
Smart onboard data interface module
Smart_onboard_data_interface_module
Study of hardware and software systems that have a "real-time constraint"
deposited at the correct time as the printhead crosses the page), laser printers (the laser must be activated at the right time as the beam scans across the
Real-time_computing
American second generation main battle tank
an AN/VVG-2 laser rangefinder, a Nd:YAG laser emitter was installed on the roof and the M35 gunner's sight was modified to include a laser visual unit
M60_tank
Bearings with pressurized gas for low friction
drives or high-frequency spindles, this may cause serious disadvantages. Laser-drilled micro-nozzle aerostatic bearings make use of computerized manufacturing
Air_bearing
Free online crowdsourced encyclopedia
a Nobel Prize in Physics "for groundbreaking inventions in the field of laser physics", becoming the third woman to ever receive the award. Prior to winning
Wikipedia
1988 American animated film
released on home video in North America on September 24, 1996, on VHS and LaserDisc. A DVD edition followed on May 14, 2002, as a special edition. Oliver
Oliver_&_Company
Additive process used to make a 3D object
metal sintering or melting (such as selective laser sintering, direct metal laser sintering, and selective laser melting) usually went by their own individual
3D_printing
2011 video game
the moving energy balls of Portal were replaced with lasers, which provide immediate feedback. To evoke a sense of nostalgia and time having passed between
Portal_2
Instrument for measuring, keeping or indicating time
they are exposed to microwaves. A laser measures how many atoms have absorbed the microwaves, and an electronic feedback control system called a phase-locked
Clock
Bullpup grenade launcher
mm grenades that are set to explode in mid-air at or near the target. A laser rangefinder in the weapon is used to determine the distance to the target
XM25_CDTE
1997 film by Jan de Bont
seeing that the film was unsuccessful. The film did receive some positive feedback. Roger Ebert of the Chicago Sun Times and Gene Siskel of the Chicago Tribune
Speed_2:_Cruise_Control
American teen comedy-drama television series (1999–2000)
company's live-action film and television assets. The show has since been distributed by Paramount Pictures and its related television divisions. In June 2010
Freaks_and_Geeks
Semiconductor diode
(ESD) protection of sensitive devices such as III-V-semiconductor devices, laser diodes and, to a lesser extent, exposed lines of CMOS circuitry. Schottky
Schottky_diode
Property that an increasing voltage results in a decreasing current
containing amplifying devices such as transistors and op amps with positive feedback can have negative differential resistance. These are used in oscillators
Negative_resistance
DC Studios film by James Gunn
2025). "New 'Superman' Trailer Finally Showcases David Corenswet's Hero Laser-Blasting His Way Through Villains". MovieWeb. Archived from the original
Superman_(2025_film)
travel, tourism, insurance
DISTRIBUTED FEEDBACK-LASER
DISTRIBUTED FEEDBACK-LASER
Boy/Male
Tamil
Hitarth | ஹிதாரà¯à®¤Â
Distribute Love, Well wisher
Hitarth | ஹிதாரà¯à®¤Â
Girl/Female
Indian
Beautiful woman, Distributor, Divider
Surname or Lastname
English
English : patronymic from Thomas. Thompson is widely distributed throughout Britain, but is most common in northern England and northern Ireland.Americanized form of Thomsen.
Girl/Female
Arabic
Distributor
Boy/Male
Muslim
Distributor, Divider
Girl/Female
Muslim
Beautiful woman, Distributor, Divider
Girl/Female
Indian
Beautiful woman, Distributor, Divider
Boy/Male
Indian, Modern
Distribute the Knowledge
Boy/Male
Hindu
Distribute Love, Well wisher
Biblical
Jahziel, God hasteth, or divideth;God apportions or distributes;
Boy/Male
Tamil
Hetarth | ஹேதாரà¯à®¤Â
Distribute Love, Well wisher
Hetarth | ஹேதாரà¯à®¤Â
Boy/Male
Indian
Distributor, Divider
Boy/Male
Muslim/Islamic
Divider distributor
Girl/Female
Muslim
Beautiful woman, Distributor, Divider
Boy/Male
Hindu, Indian
Distribute Love
Boy/Male
Indian
Distributor, Divider
Boy/Male
Muslim
Distributor, Divider
Boy/Male
Arabic, Muslim
One who Distributes
Boy/Male
Hindu
Distribute Love, Well wisher
Boy/Male
Afghan, Arabic, German, Gujarati, Hindu, Indian, Kannada, Muslim, Pashtun, Sindhi
Divider; One who Divides; Distributor
DISTRIBUTED FEEDBACK-LASER
DISTRIBUTED FEEDBACK-LASER
DISTRIBUTED FEEDBACK-LASER
DISTRIBUTED FEEDBACK-LASER
DISTRIBUTED FEEDBACK-LASER
DISTRIBUTED FEEDBACK-LASER
DISTRIBUTED FEEDBACK-LASER
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