Optically-cascaded, multistage switching operation of a multifunctional binary optical/optoelectronic switch

Optically-cascaded, multistage switching operation of a multifunctional binary optical/optoelectronic switch

Optically cascadable and multifunctional binary optical switches consisting of AlGaAs-GaAs vertical cavity surface-emitting lasers (VCSELs), heterojunction bipolar transistors (HBTs), and p-i-n photodetectors (PINs) have been realized. Each switching element consists of a pair of PIN/HBT/VCSEL switc...

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Veröffentlicht in:IEEE photonics technology letters 1995-12, Vol.7 (12), p.1427-1429, Article 1427
Hauptverfasser: Bo Lu, Yin-Chen Lu, Alduino, A.C., Ortiz, G.G., Cheng, J., Hafich, M.J., Klem, J., Schneider, R.P., Zolper, J.C.
Format: Artikel
Sprache:eng
Schlagworte:
Heterojunction bipolar transistors
High speed optical techniques
Optical arrays
Optical modulation
Optical switches
Performance gain
Routing
Stimulated emission
Surface emitting lasers
Vertical cavity surface emitting lasers
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Zusammenfassung:Optically cascadable and multifunctional binary optical switches consisting of AlGaAs-GaAs vertical cavity surface-emitting lasers (VCSELs), heterojunction bipolar transistors (HBTs), and p-i-n photodetectors (PINs) have been realized. Each switching element consists of a pair of PIN/HBT/VCSEL switches that can perform optical switching and routing at a data rate of 100 Mb/s, and optoelectronic signal conversion at a data rate of 100 Mb/s, while achieving a peak dc optical gain of 18 and an ac optical gain of 4. Optically-cascaded, multistage switching operation has been demonstrated using two linear arrays of HBT/PIN/VCSEL switches, with an overall cascaded dc optical gain of 50 and an ac gain of 8.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.477271