Femtosecond Optical Pulse Shaping and Processing
نویسنده
چکیده
2.4. 2.5. 2.6. Pulse shaping by linear filtering Picosecond pulse shaping Fourier synthesis of femtosecond optical waveforms 2.3.1. Fixed masks fabricated using microlithography 2.3.2. Spatial light modulators (SLMs) for programmable pulse shaping 2.3.2.1. Pulse shaping using liquid crystal modulator arrays 2.3.2.2. Pulse shaping using acousto-optic deflectors 2.3.3. Movable and deformable mirrors for special purpose pulse shaping 2.3.4. Holographic masks 2.3.5. Amplification of spectrally dispersed broadband laser pulses Theoretical considerations Pulse shaping by phase-only filtering An alternate Fourier synthesis pulse shaping technique 3. Additional Pulse Shaping Methods 3.1. Additional passive pulse shaping techniques 3. I. 1. Pulse shaping using delay lines and interferometers 3.1.2. Pulse shaping using volume holography 3.1.3. Pulse shaping using integrated acousto-optic tunable filters 3.1.4. Atomic and molecular pulse shaping 3.2. Active Pulse Shaping Techniques 3.2.1. Non-linear optical gating 3.2.2. Pulse shaping by temporal stretching and modulation 3.2.3. Pulse shaping using electro-optic phase modulation 3.2.4. Pulse processing using time-domain lenses 3.2.5. Pulse synthesis using separate phase-locked laser oscillators 4. Holographic Processing of Ultrashort Pulses 4.1. Spectral holography 4.1. I. Principles of spectral holography for time-domain signal processing 4.1.2. Experimental studies of femtosecond spectral holography 4.1.2.1. Spectral holography of time-delayed pulses 4.1.2.2. Spectral holography of phase-modulated pulses 4.1.2.3. Matched filtering 4. I .2.4. Discussion 4. I .3. Space-to-time and time-to-space conversions using spectral holography 4.1.4. Nanosecond spectral holography 4.2. Time-domain holography 4.3. Pulse processing by spectral hole burning and photon echoes 4.4. Pulse processing by non-linear interactions of chirped pulses in optical fibers 5. Applications of Pulse Shaping 5.1. Pulse shaping in ultrafast non-linear fiber optics 5.1.1. Dark optical solitons 5.1.2. Complex solitons 5. I .3. Ultrafast all-optical switching 5.1.4. Fiber and grating pulse compression 5.2. Pulse shaping for optical communications networks 5.2.1. Pulse shaping for time-division multiplexing (TDM) 5.2.2. Pulse shaping for wavelength-division multiplexing (WDM) 5.2.3. Pulse shaping for code-division multiple-access (CDMA) 5.3. Pulse shaping for chirped pulse amplification
منابع مشابه
Femtosecond pulse processing
We discuss Fourier methods for shaping and processing femtosecond optical signals. Examples of applications in optical communications and in generation of terahertz radiation are presented.
متن کاملOptical pulse shaping using optical coherent transients.
Using multiple temporally-overlapped, frequency offset and phase-tuned, linear frequency chirps, a new method of multi-GHz optical coherent transient optical pulse shaping and processing in inhomogeneously broadened rare-earth doped crystals is proposed. Using this technique with properly chirped laser sources, multi-GHz processing can be controlled with conventional low-bandwidth electronics a...
متن کاملFemtosecond pulse shaping using spatial light modulators
We review the field of femtosecond pulse shaping, in which Fourier synthesis methods are used to generate nearly arbitrarily shaped ultrafast optical wave forms according to user specification. An emphasis is placed on programmable pulse shaping methods based on the use of spatial light modulators. After outlining the fundamental principles of pulse shaping, we then present a detailed discussio...
متن کاملProgrammable femtosecond pulse shaping by use of a multielement liquid-crystal phase modulator.
We report programmable shaping of femtosecond optical pulses by use of a multielement liquid-crystal modulator to manipulate the phases of spatially dispersed optical frequency components. Our approach provides for continuously variable control of the optical phase and permits the pulse shape to be reconfigured on a millisecond time scale. We use the apparatus to demonstrate femtosecond pulse-p...
متن کاملHigh signal to noise ratio THz spectroscopy with ASOPS and signal processing schemes for mapping and controlling molecular and bulk relaxation processes
Asynchronous Optical Sampling has the potential to improve signal to noise ratio in THz transient sperctrometry. The design of an inexpensive control scheme for synchronising two femtosecond pulse frequency comb generators at an offset frequency of 20 kHz is discussed. The suitability of a range of signal processing schemes adopted from the Systems Identification and Control Theory community fo...
متن کامل