Switching, Amplifying, and Chirping Diode Lasers with Current Pulses
Fast rf pulses are applied directly to a laser diode to shift its emission frequency by up to 300 MHz in either direction and at a
Switching frequency of laser diodes
Laser Diode Characteristics, Precautions for Use and Drive Circuit
Laser diodes (LD) are semiconductor devices that convert electrical energy into high-power optical energy. These
Ultrafast switch-on dynamics of frequency-tuneable semiconductor lasers
Although the steady-state frequency tuning characteristics of such tuneable lasers are well reported, there has been no experimental
Laser Diode Tutorial
The purpose of this laser diode tutorial is to provide the information necessary to create a long lifetime, stable laser diode system.
LASER DIODE DRIVER BASICS – Wavelength Electronics
Laser Diode Current Source: One key section of a laser diode driver is the Adjustable Current Source. It can also be known as the
AN-LD19: Modulation Basics
When ultra-high output powers are not needed from pulsed lasers, as in the case of spectroscopy, modulated lasers can provide fast
Modes of Laser Operation – continuous-wave, Q-switching, mode
Lasers can be used in distinct modes of operation, the most important of which are: Continuous-wave operation (cw operation): The
Gain Switching – gain-switched lasers, pulse
Gain switching is a technique for generating short optical pulses in a laser by modulating the laser gain. It
Optical frequency comb generation via pulsed gain-switching in
Abstract We report on the experimental generation of high-quality Optical Frequency Combs (OFCs) at low repetition
Effect of gain switching frequency on ultrashort pulse
In this work, the effects of gain switching frequency on ultrashort pulse generation are investigated using a model based on the multi
Ultrafast switch-on dynamics of frequency-tuneable semiconductor lasers
Single-mode, tuneable monolithic semiconductor lasers are important light sources for integrated photonics. Here,
Effect of gain switching frequency on ultrashort pulse generation from
Effects of some laser diode parameters, and d.c. and RF drive conditions on the full width at half-maximum (FWHM) of gain switched
Spontaneous emission rate and phase diffusion in gain-switched laser
We have discussed three different expressions for the linear dependence of the spontaneous emission rate because
Picosecond Diode Lasers – mode-locked, gain switching, pulse
Diode lasers generate picosecond pulses with mode-locking or gain-switching, suitable for high repetition rate pulse trains or pulses
Switching, Amplifying, and Chirping Diode Lasers with Current Pulses
A series of simple and low-cost devices for switching, amplifying, and chirping diode lasers based on current modu-lation are
Pulse Generation – ultrashort pulses, pulsed lasers, Q-switching,
For very high pulse repetition rates, a beat signal can be generated by superimposing the outputs e.g. of two single-frequency laser
6_Q-switching
Actively Q-switched microchip laser J. J. Zayhowski et al., Opt. Lett. 20, 716, 1995 Tunable etalon (i.e. Fabry-Perot) Active Q
Phase and Frequency Locking of Diode Lasers
These optical methods of frequency selection already lead to very narrow spectral features. However, a closer look reveals that
Q-switched Lasers – Q-switching, light pulses, design
Q-switched lasers are lasers which emit optical pulses, using the method of Q-switching. Typically, they produce pulses with
Lecture4_228B_S09_Final.ppt
Laser Chirp Another important parameter is the laser frequency chirp (frequency shift) Chirp will limit the bit-rate-distance product
DESIGN OF A HIGH FREQUENCY SMPS POWERING LASER DIODE
This paper describes the design of a high frequency SMPS capable of driving semiconductor laser diodes upto 120 W rating in CW
High-repetition-frequency high-power pulsed laser diode driver
Here we propose a high-repetition-frequency high-power pulse power supply for laser diode driving by using frequency
Towards ultra fast pulse generation by gain-switching of diode pumped
Here, we will give some very first insights on our research on cascaded gain-switching of a vertical-cavity surface-emitting laser
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