Phase-mismatch dependence of the four-wave mixing effect in semiconductor optical amplifiers

Kharraz, O. M. and Connelly, M. J. and M. Supa’at, A. S. and Abas, A. F. and Alresheedi, M. T. and Mahdi, M. A. (2020) Phase-mismatch dependence of the four-wave mixing effect in semiconductor optical amplifiers. Applied optics, 59 (1/1). pp. 77-83.

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The phase-mismatch effect due to polarization-dependent mode confinement factor has been shown to be not a crucial problem in semiconductor optical amplifiers (SOAs) and is usually not accounted for. The phase-mismatch four-wave mixing (FWM) process in SOA devices is experimentally reported. The results reveal a sinc-like behavior in the intensity of FWM conjugate as a function of wavelength separation between transverse electric (TE)/transverse magnetic (TM) pumps due to induced confinement factors difference. Efficient FWM occurred for a detuning shift of about 500 GHz, limited by phase-mismatch conditions and determined by coherence length required for low and high frequencies to complete a full phase-match cycle. Phase-match FWM with an infinity coherence length can be fulfilled by proper alignments of co-polarizedTE/TMmodes of input waves with respect to the birefringent axes of the device structure.

Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics > TK7885-7895 Computer engineering. Computer hardware
Divisions: Faculty of Electrical and Electronic Engineering > Department of Electronic Enngineering
Depositing User: Mr. Abdul Rahim Mat Radzuan
Date Deposited: 05 Aug 2021 03:57
Last Modified: 05 Aug 2021 03:57

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