2015
DOI: 10.1364/oe.23.021541
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A comb laser-driven DWDM silicon photonic transmitter based on microring modulators

Abstract: We demonstrate concurrent multi-channel transmission at 10 Gbps per channel of a DWDM silicon photonic transmitter. The DWDM transmitter is based on a single quantum dot comb laser and an array of microring resonator-based modulators. The resonant wavelengths of microrings are thermally tuned to align with the wavelengths provided by the comb laser. No obvious crosstalk is observed at 240 GHz channel spacing.

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Cited by 55 publications
(19 citation statements)
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“…Another way to increase link capacity, while keeping steady the energy-per-bit is to shrink the size of the laser diodes by using micro-disk architectures [8] or vertical-cavity surface-emitting lasers on Si [9], having access to a larger number of wavelengths. Moreover, recent solutions based on comb laser-driven dense wavelength-division multiplexing (DWDM) silicon photonic transmitters via microring modulators may well increase the total aggregate bandwidth of the link, but the number of transmission channels remains limited to the quantum dot gain region, typically a few nanometers [12]. A paradigm shift in optical transmission and integrated spectroscopy can be brought forward by exploiting the full potential of  3) nonlinear optical processes to generate optical frequency continua.…”
Section: Introductionmentioning
confidence: 99%
“…Another way to increase link capacity, while keeping steady the energy-per-bit is to shrink the size of the laser diodes by using micro-disk architectures [8] or vertical-cavity surface-emitting lasers on Si [9], having access to a larger number of wavelengths. Moreover, recent solutions based on comb laser-driven dense wavelength-division multiplexing (DWDM) silicon photonic transmitters via microring modulators may well increase the total aggregate bandwidth of the link, but the number of transmission channels remains limited to the quantum dot gain region, typically a few nanometers [12]. A paradigm shift in optical transmission and integrated spectroscopy can be brought forward by exploiting the full potential of  3) nonlinear optical processes to generate optical frequency continua.…”
Section: Introductionmentioning
confidence: 99%
“…This cascaded architecture of MRMs has been conceptually proposed for WDM sources [28]. It has been demonstrated with two concurrently modulated channels with NRZ-shaped signals in the O band [29], [30]. In this paper, we propose to use this cascaded-MRM architecture as an OFCM together with an electro-optical frequency comb, at the conventional C band.…”
Section: Principle and The Sip Optical Frequency Comb Modulatormentioning
confidence: 99%
“…Ring resonators find application in modulation and dense wavelength filters [18]. Due to high-power density in the ring cavity, the cavity quickly moves into nonlinear behaviour even at lower input power.…”
Section: Introductionmentioning
confidence: 99%