Abstract
We present the first system penalty measurements for all-optical wavelength conversion in an integrated ring resonator. We achieve wavelength conversion over a range of 27.7 nm in the C-band at 2.5 Gb/s by exploiting four wave mixing in a CMOS compatible, high index glass ring resonator at approximately 22 dBm average pump power, obtaining < 0.3 dB system penalty.
Highlights
All-optical signal processing is recognized [1, 2] as being fundamental to meet the exponentially growing global bandwidth demand and low energy requirements of ultra-high bit rate communications systems
The use of high Q-factor optical resonators has enabled the demonstration of very low power continuous-wave (CW) nonlinear optics based on pure silica microtoroids and microspheres [8,9,10], photonic crystal nanocavities [11] or integrated micro-rings in high index glass [12,13] and silicon [14]
We achieve near error-free all optical wavelength conversion at 2.5 Gb/s in the C-band via four wave mixing (FWM) in a high index doped silica glass ring resonator with a Q-factor of 65,000, a freespectral range (FSR) of 575 GHz and a full-width at half-maximum (FWHM) of 3 GHz
Summary
All-optical signal processing is recognized [1, 2] as being fundamental to meet the exponentially growing global bandwidth demand and low energy requirements of ultra-high bit rate communications systems. The use of high Q-factor optical resonators has enabled the demonstration of very low power continuous-wave (CW) nonlinear optics based on pure silica microtoroids and microspheres [8,9,10], photonic crystal nanocavities [11] or integrated micro-rings in high index glass [12,13] and silicon [14].
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