Arbitrary pulse shaping in Er-doped fiber amplifiers—Possibilities and limitations

Michalska, Maria; Świderski, Jacek; Mamajek, M.

doi:10.1016/j.optlastec.2013.12.015

Cited by 16 publications

(11 citation statements)

References 17 publications

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“…The long length and small effective mode area of active fiber lead to a number of nonlinear effects, such as stimulated Brillouin and Raman scattering or self phase modulation. Moreover, a very important issue is pulse shape deformation being a consequence of medium saturation 10,11 . This phenomenon is described by the Frantz-Nodvick equation for rectangular pulse excitation 12 (5), where g0 is medium gain per length unit, tp is pulse duration, Ein is energy density and Esat is saturation parameter.…”

Section: Icso 2018 International Conference On Space Opticsmentioning

confidence: 99%

Analysis of pulse position modulated fiber-based laser systems for deep space optical communication

Grzes

Michalska

Świderski

2019

International Conference on Space Optics — ICSO 2018

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Fiber-based laser sources delivering optical pulses at a wavelength of ~1.5µm have attracted a great interest in recent years mainly due to their unique properties. High efficiency, high output power, eye-safe wavelength and very good output beam quality make them a perfect tool for Free Space Optics communication. The most suitable modulation scheme for long-haul communication is pulse-position modulation mainly due to its high peak-to-average power ratio. In this paper we discuss a potential use of high power fiber laser system built in Master Oscillator Power Amplifier architecture for pulse-position modulated Deep Space Optical Communication. We focus on power scalability, beam quality, laser driver simplicity and temporal deformation of nanosecond laser pulses as well. In summary we shortly compare features of pulse-position modulated fiber laser transmitter with other high power laser sources being used in optical communication.

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Section: Icso 2018 International Conference On Space Opticsmentioning

confidence: 99%

Analysis of pulse position modulated fiber-based laser systems for deep space optical communication

Grzes

Michalska

Świderski

2019

International Conference on Space Optics — ICSO 2018

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“…So far, numerous photonic signal processors have been proposed based on either discrete components or photonic integrated circuits [8,9,10,11,7,12,13,14,15,16,17,18]. Photonic signal processors based on discrete components, such as fiber-bragg-grating [3,17,18], usually have good programming abilities but are bulkier and less power efficient, whereas a photonic integrated signal processor has a much smaller footprint and a higher power efficiency.…”

Section: Introductionmentioning

confidence: 99%

“…A photonic signal processor can be used to implement various types of applications, such as optical pulse shaping [19], arbitrary waveform generation [8], temporal integration [14], temporal differentiation [15], optical dispersion compensation [13], and Hilbert transformation [20]. These functions are basically the building blocks of a general-purpose signal processor performing signal generation and fast computing.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, a photonic temporal differentiator [26], as a device performing temporal differentiation of an optical signal, is employed for all-optical Fourier transform [27,28], temporal pulse characterization [29], and the demultiplexing of an optical time division multiplexed (OTDM) signal [30], for example. Although the photonic implementations of these functions have been reported so far [14,15,16,24,26], an optical signal processor is usually designed to perform a specific function with no or very limited reconfigurability. For general-purpose signal processing, however, a photonic signal processor is desired to perform multiple functions with high reconfigurability [1].…”

Section: Introductionmentioning

confidence: 99%

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Temporal analog optical computing using an on-chip fully reconfigurable photonic signal processor

Babashah

Kavehvash

Khavasi

et al. 2019

Optics & Laser Technology

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This paper introduces the concept of on-chip temporal optical computing, based on dispersive Fourier transform and suitably designed modulation module, to perform mathematical operations of interest, such as differentiation, integration, or convolution in time domain. The desired mathematical operation is performed as signal propagates through a fully reconfigurable on-chip photonic signal processor. Although a few number of photonic temporal signal processors have been introduced recently, they are usually bulky or they suffer from limited reconfigurability which is of great importance to implement large-scale general-purpose photonic signal processors. To address these limitations, this paper demonstrates a fully reconfigurable photonic integrated signal processing system. As the key point, the reconfigurability is achieved by taking advantages of dispersive Fourier transformation, linearly chirp modulation using four wave mixing, and applying the desired arbitrary transfer function through a cascaded Mach-Zehnder modulator and phase modulator. Our demonstration reveals an operation time of 200 ps with high resolution of 300 f s. To have an on-chip photonic signal processor, a broadband photonic crystal waveguide with an extremely large group-velocity dispersion of 2.81 × 10 6 ps 2 km is utilized. Numerical simulations of the proposed structure reveal a great potential for chip-scale fully reconfigurable all-optical signal processing through a bandwidth of 400 GHz.

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“…One important advantage of fiber amplifiers is that the output shape can be affected by the shape of the seed pulse. Different compensation techniques were presented in [5,6]. In this work we present a pulse shape feedback control technique which is capable of adjusting any given pulse shape for each channel of the four-wavelength Doppler lidar system.…”

Section: Introductionmentioning

confidence: 99%

Pulse-Shape Control in an All Fiber Multi-Wavelength Doppler Lidar

Töws¹,

Lehmann²,

Kurtz³

2016

EPJ Web of Conferences

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Arbitrary pulse shaping in Er-doped fiber amplifiers—Possibilities and limitations

Cited by 16 publications

References 17 publications

Analysis of pulse position modulated fiber-based laser systems for deep space optical communication

Analysis of pulse position modulated fiber-based laser systems for deep space optical communication

Temporal analog optical computing using an on-chip fully reconfigurable photonic signal processor

Pulse-Shape Control in an All Fiber Multi-Wavelength Doppler Lidar

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