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saturable absorber mode-locking

Revealing the nature of morphological changes in carbon nanotube polymer saturable absorber under high power laser irradiation

Revealing the nature of morphological changes in carbon nanotube polymer saturable absorber under high power laser irradiation

... composites saturable absorption properties are apparently caused by the surface properties of the modified composite, which can lead to both additional reflection and scattering on ...

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Harmonic femtosecond fiber laser based on supercontinuum generation with carbon nanotubes saturable absorber

Harmonic femtosecond fiber laser based on supercontinuum generation with carbon nanotubes saturable absorber

... passive mode-locking is preferable compared to the active counterpart due to the compactness, simplicity, and reliability of a saturable absorber (SA) in the laser cavity ...semiconductor ...

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Size dependent saturable absorption and mode locking of dispersed black phosphorus nanosheets

Size dependent saturable absorption and mode locking of dispersed black phosphorus nanosheets

... band saturable absorber graphene, BP also exhibits better performance with lower saturable intensity ...ultrafast saturable absorber device in the mode-locking of a ...

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Stability Analysis of the Mode-Locking Dynamics in a Laser Cavity with a Passive Polarizer

Stability Analysis of the Mode-Locking Dynamics in a Laser Cavity with a Passive Polarizer

... robust mode- locking could be achieved using a passive polarizer as an effective saturable absorber in a laser cavity ...A mode-locked laser cavity with a passive polarizer is a prime ...

6

Optimizing the active region of interband cascade lasers for passive mode locking

Optimizing the active region of interband cascade lasers for passive mode locking

... Active mode locking is achieved by modulating one control parameter of the laser at a frequency resonant with the separation between longitudinal ...passive mode locking is commonly achieved ...

7

Ion implanted GaAs saturable absorbers for laser mode-locking-fundamentals and applications

Ion implanted GaAs saturable absorbers for laser mode-locking-fundamentals and applications

... the absorber when it is still partly bleached, therefore incurring less absorber loss than the first pulse, and possibly have larger ...total absorber loss octot seen by the two pulses per round trip ...

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Femtosecond Cr⁴⁺: forsterite laser for applications in telecommunications and biophotonics

Femtosecond Cr⁴⁺: forsterite laser for applications in telecommunications and biophotonics

... enables saturable absorber devices placed at M1 to become optically bleached, allowing mode locking to be ...the saturable absorber by translating the device, changing the ...

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Behaviour of Non-ideal Saturable Absorber Doped on Active Fiber

Behaviour of Non-ideal Saturable Absorber Doped on Active Fiber

... the saturable absorber is located as a bulk cell near the end of the fiber and the absorber is an ideal ...passive mode locking in the non-ideal saturable absorber is ...

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Algorithm based continuous pulse duration tuning and performance control of a mode locked laser diode

Algorithm based continuous pulse duration tuning and performance control of a mode locked laser diode

... hybrid mode locking has been implemented ...a mode-locked ...a mode- locked regime where the duration of the pulses can be selected by the ...controlled saturable absorber has ...

13

Q-switching of neodymium yttrium aluminium garnet laser via active and passive techniques

Q-switching of neodymium yttrium aluminium garnet laser via active and passive techniques

... Garnov S.V., Solokhin S.A., Obraztsova E.D., Lobach A.S., Obraztsov P.A., Chernov A.I., Bukin V.V., Sirotkin A.A., Zagumennyi Y.D., Zavartsev Y.D.,Kutovoi S.A. and Shcherbakov I.A. (2007). Passive ...

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Passively Mode-Locked Fiber Laser by Utilizing TTG film on a D-Shaped Fiber as a Saturable Absorber

Passively Mode-Locked Fiber Laser by Utilizing TTG film on a D-Shaped Fiber as a Saturable Absorber

... optical mode-locking system has become an interesting topic in on-going research due to its ability to generate ultrashort pulses in a very small focusing waveguide named as a single mode optical ...

5

Modelling and Simulation of P-I-n
 Quantum Dot Semiconductor Saturable Absorber Mirrors

Modelling and Simulation of P-I-n Quantum Dot Semiconductor Saturable Absorber Mirrors

... Semiconductor saturable absorber mirror (SESAM) is a highly reflecting device structure consisting of a semiconductor saturable absorber integrated with distributed Bragg reflector ...passively ...

15

Broadly tunable femtosecond Tm:Lu2O3 ceramic laser operating around 2070 nm

Broadly tunable femtosecond Tm:Lu2O3 ceramic laser operating around 2070 nm

... second mode waist on the saturable ...passive mode locking is based on an ion-implanted InGaAsSb quantum-well structure having an initial reflectivity of ...beam mode radii inside the ...

6

Bacterially synthesized tellurium nanostructures for broadband ultrafast nonlinear optical applications

Bacterially synthesized tellurium nanostructures for broadband ultrafast nonlinear optical applications

... In this work, we harvest elemental tellurium nanostructures formed by cultivating the anaerobic bacterium Bacillus selenitir- educens with Te(IV) as its electron acceptor 9,10,15 . Nonlinear optical properties of these ...

10

Light Bullet Mode-Locking In Waveguide Arrays

Light Bullet Mode-Locking In Waveguide Arrays

... aforementioned mode-locked light ...quantum saturable absorber for standard mode-locking of ultra-short (in time) pulses (See, for instance, [20] and references therein), the WGA slab ...

6

Modeling of Wavelength Conversion Using Switching Bistability in a Vertical Cavity Semiconductor Saturable Absorber

Modeling of Wavelength Conversion Using Switching Bistability in a Vertical Cavity Semiconductor Saturable Absorber

... Bistable switching between two optical signals, each at different wavelengths were studied first time using a Fabry-Perot semiconductor laser amplifier (FPSLA) working in transmission mode [15]. Later on some ...

6

Investigation of Effective Parameters on Pulsed Nd:YAG Passive Q-Switched Laser

Investigation of Effective Parameters on Pulsed Nd:YAG Passive Q-Switched Laser

... of saturable absorber, reflectivity of the output coupler, diameter of the rod, and optical length of the cavity theoretically and have obtained first and second condition to produce the giant ...the ...

8

Mode locking and mode competition in a nonequilibrium solid state condensate

Mode locking and mode competition in a nonequilibrium solid state condensate

... Figure 2 illustrates how the steady-state spectra develop with increasing pumping. The analysis above, applied to the two lowest states of this potential, predicts the two-mode steady state T. This is in agreement ...

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Computer modelling and numerical simulation of the solid state diode pumped Nd:YAG laser with intracavity saturable absorber

Computer modelling and numerical simulation of the solid state diode pumped Nd:YAG laser with intracavity saturable absorber

... fundamental mode in a Q-swithed regime, multimode operation without Q switch) and predict performance of a laser with long pump pulses (trains of laser Q- switched pulses with pule-to-pulse mode ...

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Ytterbium doped and co-doped Q-switched fiber lasers utilizing passive saturable absorbers

Ytterbium doped and co-doped Q-switched fiber lasers utilizing passive saturable absorbers

... A promising alternative to the conventional solid-state laser systems is the fiber laser with some advantages like compact size, high electrical efficiency, superior beam quality and reliability, great output power, ...

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