DP-QPSK Coherent Detection Using 2D Grating Coupled Silicon Based Receiver

Ching Wei Peng; Chi Wai Chow; Pin Cheng Kuo; Guan Hong Chen; Chien Hung Yeh; Jyehong Chen; Yinchieh Lai

doi:10.1109/JPHOT.2020.3043592

DP-QPSK Coherent Detection Using 2D Grating Coupled Silicon Based Receiver

Ching Wei Peng, Chi Wai Chow^*, Pin Cheng Kuo, Guan Hong Chen, Chien Hung Yeh, Jyehong Chen, Yinchieh Lai

^*Corresponding author for this work

Department of Photonics

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

We propose and demonstrate a 100 Gbit/s silicon photonic (SiPh) coherent receiver (Rx) with advanced digital signal processing (DSP) for dual-polarization quadrature-phase-shift-keying (DP-QPSK) transmission. It employs integrated 2D polarization-splitting grating couplers (2D-GCs), modified hybrid mixers and high speed silicon-germanium (SiGe) photodiodes (PDs). The 2D-GC replaced the polarization beam splitters and rotators needed in traditional coherent Rx. Moreover, the SiGe PD has the bandwidth >50 GHz.

Original language	English
Article number	9291458
Journal	IEEE Photonics Journal
Volume	13
Issue number	1
DOIs	https://doi.org/10.1109/JPHOT.2020.3043592
State	Published - Feb 2021

Keywords

Silicon photonic (SiPh)
coherent detection
dual-polarization quadrature-phase-shift-keying (DP-QPSK)

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10.1109/JPHOT.2020.3043592

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title = "DP-QPSK Coherent Detection Using 2D Grating Coupled Silicon Based Receiver",

abstract = "We propose and demonstrate a 100 Gbit/s silicon photonic (SiPh) coherent receiver (Rx) with advanced digital signal processing (DSP) for dual-polarization quadrature-phase-shift-keying (DP-QPSK) transmission. It employs integrated 2D polarization-splitting grating couplers (2D-GCs), modified hybrid mixers and high speed silicon-germanium (SiGe) photodiodes (PDs). The 2D-GC replaced the polarization beam splitters and rotators needed in traditional coherent Rx. Moreover, the SiGe PD has the bandwidth >50 GHz.",

keywords = "Silicon photonic (SiPh), coherent detection, dual-polarization quadrature-phase-shift-keying (DP-QPSK)",

author = "Peng, {Ching Wei} and Chow, {Chi Wai} and Kuo, {Pin Cheng} and Chen, {Guan Hong} and Yeh, {Chien Hung} and Jyehong Chen and Yinchieh Lai",

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doi = "10.1109/JPHOT.2020.3043592",

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AU - Peng, Ching Wei

AU - Chow, Chi Wai

AU - Kuo, Pin Cheng

AU - Chen, Guan Hong

AU - Yeh, Chien Hung

AU - Chen, Jyehong

AU - Lai, Yinchieh

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Y1 - 2021/2

N2 - We propose and demonstrate a 100 Gbit/s silicon photonic (SiPh) coherent receiver (Rx) with advanced digital signal processing (DSP) for dual-polarization quadrature-phase-shift-keying (DP-QPSK) transmission. It employs integrated 2D polarization-splitting grating couplers (2D-GCs), modified hybrid mixers and high speed silicon-germanium (SiGe) photodiodes (PDs). The 2D-GC replaced the polarization beam splitters and rotators needed in traditional coherent Rx. Moreover, the SiGe PD has the bandwidth >50 GHz.

AB - We propose and demonstrate a 100 Gbit/s silicon photonic (SiPh) coherent receiver (Rx) with advanced digital signal processing (DSP) for dual-polarization quadrature-phase-shift-keying (DP-QPSK) transmission. It employs integrated 2D polarization-splitting grating couplers (2D-GCs), modified hybrid mixers and high speed silicon-germanium (SiGe) photodiodes (PDs). The 2D-GC replaced the polarization beam splitters and rotators needed in traditional coherent Rx. Moreover, the SiGe PD has the bandwidth >50 GHz.

KW - Silicon photonic (SiPh)

KW - coherent detection

KW - dual-polarization quadrature-phase-shift-keying (DP-QPSK)

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DP-QPSK Coherent Detection Using 2D Grating Coupled Silicon Based Receiver

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Keywords

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