Tunable Lasers and directly modulated laser
Theory of Optimal Mixing in Directly Modulated Laser Diodes
... in directly modulated semiconductor laser ...in laser diodes to the arbitrary accuracy and intermodulation index (m; ...the laser diode as needed in future communication ...
6
Nonlinear Dynamics in Directly Modulated Semiconductor Lasers with Optical Loop Mirror Feedback
... The investigation of the nonlinear dynamics of a semiconductor laser based on nonlinear optical loop mirror (NOLM) feedback using Ge doped optical fiber was carried out experimentally. Animations of compilations ...
5
Tunable femtosecond lasers with low pump thresholds
... the laser outputs are highly sensitive to the losses introduced by the insertion of extra intracavity ...frequency laser as the input source, and active stabilisation of the external cavity making the ...
177
Investigation of the Atmospheric Propagation of Alkali Lasers in a Maritime Environment Using Tunable Diode Laser Atmospheric Spectroscopy
... 6318 laser head was chosen for this experiment due to the presence of several strong H 2 0 lines in its operating ...the laser would tune to the second line, scanning it for one minute before returning to ...
85
Interaction of Semiconductor Laser Chirp with Fiber Dispersion: Impact on WDM Directly Modulated System Performance
... Figure 12. Estimated curve for optimum channel power V. CONCLUSIONS The performance of fibers relative to positive or negative dispersion characteristics is discussed for the case of directly modulated ...
6
Athermal operation of multi section slotted tunable lasers
... mode laser, achieving the same wavelength stability and temperature range as have been demonstrated for DS-DBR lasers but on lasers with a simpler ...the laser, while implementing such a ...
13
Discretely Tunable Semiconductor Lasers Suitable for Photonic Integration
... Fig. 4. Wavelength tuning map versus both mirror section injection currents. can be seen mainly because the front mirror current has been changed significantly in the scan in order to fully explore the tuning ...
6
Tuning behaviour of slotted vernier widely tunable lasers
... widely tunable vernier laser based on surface etched ...These lasers are very simple to fabricate and have a wide tuning over 50 nm, but SMSR and linewidth performance is not yet ...the ...
16
OSICS T100 TUNABLE LASER MODULE
... T100 laser modules are ideal laser sources for stepped optical component testing where high optical power and low optical noise are required to achieve high quality ...Band Laser can combine four ...
5
Frequency-tunable continuous-wave random lasers at terahertz frequencies
... the laser emission frequency coarsely by varying the surface pattern distribution, we also demonstrated a new route for fi ne control of the spectral properties of our RLs by placing a movable mirror over the top ...
13
A Bidirectional Directly Modulated Cable Pon Based on a Rsoa
... 3. EXPERIMENTAL RESULTS AND DISCUSSIONS Injection locking scheme is employed in system II, the injection locking has been taken place as the frequency of slave laser is locked nearly that of the master ...
9
Frequency modulated free electron laser
... over that of a typical FEL. It has been demonstrated that it is possible to seed the FM-FEL interaction via harmonic lasing schemes e.g. HGHG, EEHG, or other methods where the bunching spectra exhibits a plateaux of ...
8
Design and characterization of widely tunable semiconductor lasers based on etched slots
... first laser action was dem onstrated in m icrow ave region in 1954 by Charles Tow nes and his co-w ...“ laser” w as first created in 1957 by G ordon ...practical laser, the ruby laser, w as ...
215
Experiment 5. Lasers and laser mode structure
... 5. Digital data acquisition using the GPIB interface After you get the interferometer aligned and can observe a clean signal similar to that shown above, you should stop and figure out how to transfer data from the ...
5
Effects of Dispersion Fiber on CWDM Directly Modulated System Performance
... of directly modulated ...a directly modulated ...whereas laser transient chirp can be compensated using a negative dispersion ...
ULTRAFAST LASERS: Free electron lasers thrive from synergy with ultrafast laser systems
... the lasers are locked to the timing system of the facility, there is significant jitter between the RF pulses and the arrival of the final FEL output pulse, so this approach delivers timing stability of only ~1 ...
6
Tunable, Narrow Linewidth, High Repetition Frequency Ce:LiCAF Lasers Pumped by the Fourth Harmonic of a Diode-Pumped Nd:YLF Laser for Ozone DIAL Measurements
... Ce:LiCAF laser module All the optical components required for generating the tunable UV output, including the FH generator are housed in a single modular ...mono-block laser head machined from an ...
20
Tunable Erbium Doped Fiber Lasers Using Various Inline Fiber Filters
... of tunable fiber-filter-based EDF fiber lasers have been ...a tunable FBG-based fiber laser that employs one OC, two homemade ...and tunable FBG at either cavity end of fiber ...
9
Temperature effects on tunable CW Alexandrite lasers under diode end-pumping
... Alexandrite laser the characteristics of the medium itself must be ...level laser, with the additional effects of pump and laser .... Laser gain is through stimulated emission from level 1 to ...
15
Characterization and Development of an Extended Cavity Tunable Laser Diode
... diode laser, we have added parallel capacitance on the second stage input resistance and on the coupling resistor to the ...the lasers junction ...the laser by closing switch SW6 without appreciably ...
87