Optical signal processing using a vertical-cavity surface-emitting laser with external optical injection

Yutaka Onishi; Fumio Koyama

doi:10.1117/12.482557

25 July 2003 Optical signal processing using a vertical-cavity surface-emitting laser with external optical injection

Yutaka Onishi, Fumio Koyama

Proceedings Volume 4986, Physics and Simulation of Optoelectronic Devices XI; (2003) https://doi.org/10.1117/12.482557
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States

Abstract

A novel optical signal processing using an optically pumped vertical-cavity surface-emitting laser (VCSEL) with an external optical input is proposed. The mode transition between a fundamental and a high-order transverse mode is induced by an external optical injection. When we select a fundamental transverse mode through a single-mode fiber as an output signal, we are able to realize non-linear transfer functions, which may be useful for re-amplification and re-shaping in high speed photonic networks. The switching characteristic of a 1.55 μm optically pumped two-mode VCSEL has been simulated by using a two-mode rate equation, including the effects of spatial hole burning and spectral hole burning as gain saturation coefficients. Also, the detuning effect in the injection locking is investigated. When the wavelength of an input light with a fundamental mode is slightly longer than that of a VCSEL operating in a 1st-order transverse mode, the transverse mode of the VCSEL is switched to a fundamental mode at a critical input power level. This gives us an ideal 2R function with amplification and nonlinear transfer functions.

Citation Download Citation

Yutaka Onishi and Fumio Koyama "Optical signal processing using a vertical-cavity surface-emitting laser with external optical injection", Proc. SPIE 4986, Physics and Simulation of Optoelectronic Devices XI, (25 July 2003); https://doi.org/10.1117/12.482557

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