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Experimental investigation of optical thyristor operating as optical hard‐limiter
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AbstractWe demonstrate the optical thyristor operating as optical hard‐limiter (OHL) in the optical channel and AND gate logic element (AGLE). The oxidized PnpN vertical‐cavity laser (VCL)–depleted optical thyristor (DOT) clearly shows the nonlinear s‐shaped current‐voltage and lasing characteristics. A switching voltage of 5.24 V, a holding voltage of 1.50 V, and a threshold current of 0.65 mA is measured, making these devices attractive for optical processing applications. The VCL–DOT operating as OHL would enhance the system performance because it would exclude some combinations of interference patterns from causing errors as in all previous works. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 2779–2780, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22850
Title: Experimental investigation of optical thyristor operating as optical hard‐limiter
Description:
AbstractWe demonstrate the optical thyristor operating as optical hard‐limiter (OHL) in the optical channel and AND gate logic element (AGLE).
The oxidized PnpN vertical‐cavity laser (VCL)–depleted optical thyristor (DOT) clearly shows the nonlinear s‐shaped current‐voltage and lasing characteristics.
A switching voltage of 5.
24 V, a holding voltage of 1.
50 V, and a threshold current of 0.
65 mA is measured, making these devices attractive for optical processing applications.
The VCL–DOT operating as OHL would enhance the system performance because it would exclude some combinations of interference patterns from causing errors as in all previous works.
© 2007 Wiley Periodicals, Inc.
Microwave Opt Technol Lett 49: 2779–2780, 2007; Published online in Wiley InterScience (www.
interscience.
wiley.
com).
DOI 10.
1002/mop.
22850.
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