Title

Reconfigurable 1×4 Optical Switch In Ingaasp Multiple Quantum Wells

Keywords

Beam steering; Carrier induced; Integrated optics; Multiple quantum wells; Optical switch

Abstract

We report on an integrated 1×4 optical switch that operates using the principle of carrier-induced refractive index change in InGaAsP multiple quantum wells. The device is very simple, requiring only the currents applied to two electrodes for complete operational control. An area-selective zinc in-diffusion process is used to channel the current into the multiple quantum wells, thereby enhancing the efficiency of the carrier based effects. As a result, the electrical power consumption of the device is significantly reduced, allowing the switch to be operated uncooled and under d.c. current conditions. Our initial 1×4 switch exhibits a -8 dB crosstalk between channels. However, improvements on the switch design and better control during the device fabrication process will significantly enhance this value.

Publication Date

12-1-2004

Publication Title

Proceedings of SPIE - The International Society for Optical Engineering

Volume

5622

Issue

PART 2

Number of Pages

828-832

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1117/12.590785

Socpus ID

17644379534 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/17644379534

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