• No results found

Phase-locked lasers for EIT spectroscopy

Phase-locked arrays of surface-emitting graded-photonic-heterostructure terahertz semiconductor lasers

Phase-locked arrays of surface-emitting graded-photonic-heterostructure terahertz semiconductor lasers

... relative phase between the GPH lasers, we use a hybrid array configuration: the GPH lasers are embedded into a larger ring resonator which sets the mode ...

8

CiteSeerX — Fourier domain mode locked lasers

CiteSeerX — Fourier domain mode locked lasers

... semiconductor lasers reducing the pulse duration and increasing output power 3,4 ...nonlinear phase changes associated with gain saturation 4 ...semiconductor lasers, reaching several tens of fs, ...

25

Realization and characterization of a phase locked laser system for coherent spectroscopy of fiber-coupled cesium atoms

Realization and characterization of a phase locked laser system for coherent spectroscopy of fiber-coupled cesium atoms

... optical phase locked loop In EIT experiments, the transparency and the width of the dark resonance depends highly on the coherence time τ between the two lasers needed for ...fixed ...

98

Passively mode-locked semiconductor lasers for all-optical applications

Passively mode-locked semiconductor lasers for all-optical applications

... semiconductor lasers was ...and phase in such a way that they interfere ...a phase correlation between the modes and as a consequence optical pulses are generated with short durations, high ...

174

Pulse Shaping Mechanisms For High Performance Mode-Locked Fiber Lasers

Pulse Shaping Mechanisms For High Performance Mode-Locked Fiber Lasers

... solid-state lasers. Pulse-shaping in normal-dispersion lasers is dominated by spectral filtering of a chirped pulse in the ...normal-dispersion lasers provide a convenient setting for studying this ...

166

Injection-locked Semiconductor Lasers For Realization Of Novel Rf Photonics Components

Injection-locked Semiconductor Lasers For Realization Of Novel Rf Photonics Components

... direct phase detector with channel filtering capability using injection-locked semiconductor lasers for applications in RF ...arcsine phase modulator is introduced and followed by numerical ...

129

High power mode locked lasers monolithically integrated with semiconductor optical amplifiers

High power mode locked lasers monolithically integrated with semiconductor optical amplifiers

... The optical spectra of the 3-QW and 5-QW MLLs, respectively under the optimal mode locked conditions are shown in Figure 5.7. The optical spectrum was measured with a resolution bandwidth of 0.06 nm, which was ...

188

Characterization and applications of auto-locked vacuum-sealed diode lasers for precision metrology

Characterization and applications of auto-locked vacuum-sealed diode lasers for precision metrology

... derivative spectroscopy in iodine and pattern matching algorithms in ...pressure-sealed lasers indicate an obvious advantage, namely, an extended lock duration and potentially greater long-term ...

11

Investigation of Single-Section InAs/InP Quantum Dot Mode-Locked Lasers

Investigation of Single-Section InAs/InP Quantum Dot Mode-Locked Lasers

... fixed phase difference among longitudinal modes in a laser ...ruby lasers by Gürs and Müller [1] and on He-Ne lasers by Statz and Tang ...Mode-locked lasers are potential candidates for ...

190

All-Fiber Mode-Locked Ultrafast

Thulium-Doped Fiber Lasers at 2um

All-Fiber Mode-Locked Ultrafast Thulium-Doped Fiber Lasers at 2um

... varying phase and width exist within a relatively broader time ...linear phase delay difference by the PCs is imposed to simulate NL operations as experimentally a slight tuning of the PCs from the soliton ...

125

Optoelectronic Control of the Phase and Frequency of Semiconductor Lasers

Optoelectronic Control of the Phase and Frequency of Semiconductor Lasers

... optical phase modulator was used to remove excess phase noise and stabilize the ...all locked to the same master laser, therefore forms a coherent ...optical phase of each emitter in the array ...

214

Rate equation analysis of frequency chirp in optically injection locked quantum cascade lasers

Rate equation analysis of frequency chirp in optically injection locked quantum cascade lasers

... semiconductor lasers relying on the recombination of electrons and holes can hardly reach a lasing wavelength longer than 3 μm, due to the bandgap limitation in semiconductor heterostructures ...(QC) lasers ...

9

Design and Applications of In-Cavity Pulse Shaping by Spectral Sculpturing in Mode-Locked Fibre Lasers

Design and Applications of In-Cavity Pulse Shaping by Spectral Sculpturing in Mode-Locked Fibre Lasers

... application of this method, we have numerically shown the possibility of directly generating sinc-shaped Nyquist pulses of high quality from a laser incorporating a simple flat-top spectral filter in the cavity. We have ...

21

Design and applications of in-cavity pulse shaping by spectral sculpturing in mode-locked fibre lasers

Design and applications of in-cavity pulse shaping by spectral sculpturing in mode-locked fibre lasers

... application of this method, we have numerically shown the possibility of directly generating sinc-shaped Nyquist pulses of high quality from a laser incorporating a simple flat-top spectral filter in the cavity. We have ...

20

Mode locked Erbium doped fiber lasers using 45º tilted fiber grating

Mode locked Erbium doped fiber lasers using 45º tilted fiber grating

... mode locked lasers based on a 45TFG could have wide range of practical applications as an efficient seed in ultra-wide spectrum generation, nonlinear optics, spectroscopy, and micromachining, ...mode ...

6

Mode locked colour centre lasers and their application

Mode locked colour centre lasers and their application

... Coupled-cavity mode locking, where a length of optical fibre was incorporated in an external control cavity, resulted in the generation of 1.5 ps duration pulses.. Active and coupled-cav[r] ...

265

High-Performance Wavelength-Locked Diode Lasers

High-Performance Wavelength-Locked Diode Lasers

... state lasers at 885 nm and the 1532-nm absorption band of Er:YAG solid state lasers, though taking full advantage of these configurations requires wavelength-locked pump ...diode lasers leads ...

5

Design of Phase Locked Loop

Design of Phase Locked Loop

... input phase difference, Δφ. The actual phase response is not linear because phase is ...the phase information is discrete, sampled at the clock reference ...

51

A Review of Phase Locked Loop

A Review of Phase Locked Loop

... Varsha Prasad 1 , Dr Chirag Sharma 2 Department of E&CE, Nitte Meenakshi Institute of Technology, Yelahanka, Bangalore- 560 064, India. Abstract—This paper presents a review of phase locked loop (PLL) ...

7

Dynamic modal analysis of monolithic mode-locked semiconductor lasers

Dynamic modal analysis of monolithic mode-locked semiconductor lasers

... cavity lasers), we believe the model presented here can accurately describe a large number of practically relevant laser constructions and experi- mental ...compound-cavity lasers treated in [25] and [35]) ...

14

Show all 10000 documents...

Related subjects