Journal
OPTICS EXPRESS
Volume 17, Issue 7, Pages 5118-5124Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.17.005118
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Funding
- Intel Corporation
- National Science Foundation [ECS-0335765]
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We demonstrate a micrometer-scale electro-optic modulator operating at 2.5 Gbps and 10 dB extinction ratio that is fabricated entirely from deposited silicon. The polycrystalline silicon material exhibits properties that simultaneously enable high quality factor optical resonators and sub-nanosecond electrical carrier injection. We use an embedded p(+)n(-)n(+) diode to achieve optical modulation using the free carrier plasma dispersion effect. Active optical devices in a deposited microelectronic material can break the dependence on the traditional single layer silicon-on-insulator platform and help lead to monolithic large-scale integration of photonic networks on a microprocessor chip. (C) 2009 Optical Society of America
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