By Michel E. Marhic
This booklet, released in 2007, presents accomplished assurance of the idea and perform of OPAs and comparable units, together with fiber optical parametric oscillators (OPOs). After introducing the sphere, the idea and strategies in the back of every kind of fiber OPAs are lined ranging from first ideas - issues comprise the scalar and vector OPA thought; the nonlinear Schrodinger equation; OPO conception; and quantum noise determine of fiber OPAs. demanding situations of creating fiber OPAs useful for a few functions are mentioned, and a survey of the state of the art in feasibility demonstrations and function reviews is equipped. The features and barriers of OPAs; the capability functions for OPAs and OPOs, and clients for destiny advancements within the box are mentioned. Theoretical instruments constructed during this textual content can be utilized to different components of nonlinear optics. it is a priceless source for researchers, complicated practitioners, and graduate scholars in optoelectronics.
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Additional info for Fiber optical parametric amplifiers, oscillators and related devices
Sample text
The spectral width of such a pump is inversely proportional to the pulse width; hence, by using short pulses one can have very wide spectra and so increase Pth . For example, 1 ns pulses will have a spectral width of the order of 1 GHz, much larger than the SBS linewidth. Of course, the use of such pulses is not suitable for CW OPA operation. However, it is sometimes convenient for achieving high pump powers during 20 Properties of single-mode optical fibers a short time, which can be useful for demonstrating feature such as a wide OPA gain spectrum or a high OPA gain.
Kazovsky, L. G. In Proc. Conf. on Passive Components and Fiber-based Devices, APOC 2004, Beijing, China; Proc. SPIE; vol. 5623, pp. 691–704. 5. , Maillotte, H. IEEE Photon. Technol. ; 2006; vol. 18, pp. 22–4. 6. , Onishi, M. In Proc. 31st European Conf. on Optical Communication, September 2005, Glasgow, UK; vol. 6, pp. 43–4. 7. “Wide-band tuning of the gain spectra of one-pump fiber optical parametric amplifiers,” Marhic, M. , Wong, K. K. , Kazovsky, L. G. IEEE J. ; 2004; vol. 10, pp. 1133–41.
Because this change does not alter the relative values of the frequencies themselves, Eq. 1) is still valid. In terms of photon energies, we now have hν1 + hν3 = hν2 + hν4 . This can be interpreted by saying that the pumps exchange photons between themselves, and so do the signal and idler. As a result, the signal and idler cannot receive energy from the pumps leading to gain. e. that there is an exchange of photons between signal and idler. From a communication standpoint, this arrangement has the remarkable property that if the signal and idler are present at the input and are modulated by different signals, at the output the modulation can be exchanged between the two wavelengths.