Mode Locking
Broadly tunable femtosecond mode locking in a Tm:KYW laser near 2 mu m
... self-starting mode-locking was realized in the 1979-2074 nm spectral range ...of mode-locking in the Tm:KYW laser, 7 mm of fused silica prism glass was inserted into the cavity beam resulting ...
6
Stability Analysis of the Mode-Locking Dynamics in a Laser Cavity with a Passive Polarizer
... the mode-locking dynamics in a laser cavity with a passive ...the mode-locked state reduces to the nonlinear interaction of the amplitude, width and phase ...steady-state mode-locked state ...
6
A wide bandwidth free-electron laser with mode locking using current modulation
... that mode locking using current modulation improves spectral brightness of the source and purity of the series of short pulses, providing a clean sequence of pulses separated by the period of the electron ...
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Optimizing the active region of interband cascade lasers for passive mode locking
... towards mode-locked ICLs. In order to achieve mode locking, the carrier lifetime in the absorber segment has to be reduced below the round trip time of the light pulse in the laser resonator (where ...
7
Size dependent saturable absorption and mode locking of dispersed black phosphorus nanosheets
... The mode-locking operation was obtained and characterized. The output properties of the laser are summarized in Fig. 6. The optical spectrum shown in Fig. 6(a) has a center wavelength of 1555 nm and a 3-dB ...
10
Ion implanted GaAs saturable absorbers for laser mode-locking-fundamentals and applications
... the mode-locking build-up and Q-switching dynamics, it is the fast response that can stabilise the ultra-short pulses by creating a short enough net-gain window to prevent growth of dispersive radiation in ...
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Mode-Locking Intracavity Dynamics: Modeling Nonlinear Power and Energy Fluctuations
... ble mode-locking can be achieved by using the nonlinear mode-coupling in a waveguide array as the intensity dis- crimination (saturable absorption) element in a laser cav- ...nonlinear ...
10
I Mode Locking and Ultrashort Laser Pulses by a Refractive Index Nonlinearity II A Theoretical Study of Optical Wave Propagation Through a Random Medium and its Application to Optical Communication
... I MODE LOCKING AND ULTRASHORT LASER PULSES BY A REFRACTIVE INDEX NONLINEARITY II A THEORETICAL STUDY OF OPTICAL WAVE PROPAGATION THROUGH A RANDOM MEDIUM AND ITS APPLICATION TO OPTICAL COMMUNICATION Th[.] ...
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A Research Paper on the Performance Analysis of a Self-Mode Locking High Power Linearly Polarised Fiber Laser
... Two kinds of self-pulsing are mainly observed; sustained self-pulsing (SSP) and self-mode locking (SML) [14]. SSP is the emission of laser pulses at a repetition rate associated with relaxation oscillations ...
9
Light Bullet Mode-Locking In Waveguide Arrays
... The mode-locked light-bullets are transversely generated and stabilized versus localized time pulses in standard ...Coupled mode theory is applicable provided the coupling between slab waveguides remains ...
6
Ultrafast harmonic mode-locking of monolithic compound-cavity laser diodes incorporating photonic-bandgap reflectors
... harmonic mode-locked operation from a novel design of mono- lithic semiconductor laser comprising a compound cavity formed by a 1-D photonic-bandgap (PBG) ...mirror. Mode-locking (ML) is achieved at ...
12
Dynamic ordering and frustration of confined vortex rows studied by mode-locking experiments
... Using mode-locking experiments, we have investigated the dynamics of vortex arrays confined in disordered meso- scopic channels. The ML effect allows us to trace in detail structural transitions from n ⫺ 1 ...
10
Novel mode locking techniques for colour centre lasers
... One method to overcome this amplitude modulation, which has been reported by Sucha^^, is to pump the colour-centre crystal using cw radiation and operate the laser in the self-starting regime. However, this approach is ...
159
Ultra short laser pulses and coupled cavity mode locking in a KCI:TI colour centre laser
... the mode locking ...passively mode-locked dye lasers, where the pulse evolution process is fast and pulses shorter than 1 ps can be readily ...
345
Mode locking and mode competition in a nonequilibrium solid state condensate
... couple the phases of the condensed and uncondensed trap states, modifying the normal-mode frequencies of the latter. This can be understood as a renormalization of the quasipar- ticle spectrum by the condensate 共 ...
5
Nonlinear behaviour of the resistive tearing instability in plasmas : including: coalescence, regeneration, saturation, bifurcation, forced reconnection and mode-locking
... tearing mode evolution typically observed in previous numerical ...tearing mode states as a function of the various plasma ...tearing mode magnetic islands for which a detailed description of the ...
206
A study of active mode-locking of external cavity semiconductor lasers
... The fie ld o f sh o rt o p tica l pulse generation using sem iconductor lasers was created in the la te sixties and e a rly seventies to e x p lo it th e m a in advantages o f the sem iconductor m edium nam ely sm a ll ...
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Uniden_BC296D Trunk Tracker Scanner_Manual
... When the scanner receives a signal on a programmed channel, it stops on that channel and displays the channel information (text tag, channel number, trunk mode).. Locking/Unlocking Banks[r] ...
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Ultrashort pulse generation from quantum dot semiconductor diode lasers
... Increasing the reverse bias on the saturable absorber is a very convenient bias control to decrease the absorber recovery time, which plays a significant part in reducing the pulse duration. However, there are two main ...
141
Generation and propagation of ultrashort laser pulses using nonlinear waveguides
... CCM mode locked lasers, it was commonly accepted that the mechanism responsible for the mode locking process was mainly due to the pulse shortening resulting from the combined effect of self-phase- ...
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