Four-wave mixing in semiconductor optical amplifiers: physics and applications

Jianhui Zhou; Namkyoo Park; Kerry J. Vahala; Michael A. Newkirk; Barry I. Miller

doi:10.1117/12.212536

19 June 1995 Four-wave mixing in semiconductor optical amplifiers: physics and applications

Jianhui Zhou, Namkyoo Park, Kerry J. Vahala, Michael A. Newkirk, Barry I. Miller

Proceedings Volume 2399, Physics and Simulation of Optoelectronic Devices III; (1995) https://doi.org/10.1117/12.212536
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

Nondegenerate four-wave mixing in semiconductor optical amplifiers was studied both as a spectroscopic tool for probing semiconductor dynamics and as a wavelength conversion technique. Four-wave mixing spectra were measured at detuning frequencies ranging from GHz to THz rates and ultrasfast intraband mechanisms having relaxation time constants of 650 fs and less than 100 fs were revealed in the measurements. Cross-polarization four-wave mixing was also measured to study the inter quantum-well carrier transport process in quantum-well amplifiers. In addition, broadband wavelength conversion using four-wave mixing in semiconductor optical amplifiers was investigated. Results concerning the conversion efficiency over spans up to 65 nm, as well as a demonstration of wavelength conversion with gain are presented. The issue of converted signal-to-background noise in this process is also addressed.

Citation Download Citation

Jianhui Zhou, Namkyoo Park, Kerry J. Vahala, Michael A. Newkirk, and Barry I. Miller "Four-wave mixing in semiconductor optical amplifiers: physics and applications", Proc. SPIE 2399, Physics and Simulation of Optoelectronic Devices III, (19 June 1995); https://doi.org/10.1117/12.212536

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KEYWORDS

Modulation

Interference (communication)

Signal to noise ratio

Optical amplifiers

Four wave mixing

Denoising

Quantum wells

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