In this investigation, we conducted a study on the amplification of ultra-low repetition rate pulses, specifically in the 0.5 to 16 MHz range, utilizing gain-managed nonlinear techniques. The research was centered around the implementation of a 1064 nm all-polarization-maintaining fiber mode-locked laser, which was seeded with an acoustic-optical pulse picker to regulate the pulse repetition rate. This experimental approach significantly enhanced the nonlinear pulse propagation effects across various pulse repetition rates at 1064 nm, offering new insights into the dynamics of GMN amplification in ultra-low repetition rate regimes.
Highly efficient and compact acousto-optic modulator of a fibre Bragg grating is reported for the first time. The device is composed of millimetre scaled components and a 1 cm grating inscribed in a four air holes birefringent suspended core fibre. The reflection of the orthogonal polarization modes is tuned by a sinusoidal electrical signal at the resonance frequency of 469 kHz. A significant modulation depth of 45% is achieved at a maximum drive voltage of 10 V. The demonstrated 4 cm long all-fibre modulator is 60% shorter compared to previous similar setups, indicating new possibilities for stable and fast switching of fibre-integrated photonic devices.
A surface plasmon polariton is an electromagnetic wave that propagates along an interface between two materials with dielectric permittivity of opposite signs. Such waves can be focused by metal waveguides of special geometry. The spatial distribution for a near-field strongly depends on a linear chirp of the laser pulse, which can partially compensate the wave dispersion. Field distribution is calculated for different chirp values, opening angles, and distances. The spatial selectivity of excitation of quantum dots using focused fields is shown using Bloch equations.
Propagation of ultrashort pulses in dispersing media and optical fibers is calculated and analyzed. An analytical
expression for the electric field of ultra short pulse after propagating certain distance z is derived in the second order
dispersion theory. The propagation of a Gaussian pulse is considered.
Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks.
You are receiving this notice because your organization may not have SPIE eBooks access.*
*Shibboleth/Open Athens users─please
sign in
to access your institution's subscriptions.
To obtain this item, you may purchase the complete book in print or electronic format on
SPIE.org.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.