Search Results - "Ping-Chiek Koh"

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  1. 1

    Net 220 Gbps/λ IM/DD Transmssion in O-Band and C-Band With Silicon Photonic Traveling-Wave MZM by Alam, Md Samiul, Li, Xueyang, Jacques, Maxime, Xing, Zhenping, Samani, Alireza, El-Fiky, Eslam, Koh, Ping-Chiek, Plant, David

    Published in Journal of lightwave technology (01-07-2021)
    “…We present the design and characterization of O-band and C-band silicon photonic (SiP) traveling wave Mach-Zehnder modulators (TW-MZM) allowing 220 Gbps/λ net…”
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    Journal Article
  2. 2

    Adiabatic Coupler With Design-Intended Splitting Ratio by Mao, Deng, Alam, Md Samiul, Zhang, Jinsong, Zhu, Mingyue, Koh, Ping-Chiek, Plant, David V., Wang, Yun, El-Fiky, Eslam, Xu, Luhua, Kumar, Amar, Jaques, Maxime, Samani, Alireza, Carpentier, Olivier, Bernal, Santiago

    Published in Journal of lightwave technology (15-12-2019)
    “…We demonstrate adiabatic couplers (ADCs) with design-intended splitting ratios (SRs) for the silicon-on-insulator (SOI) platform. The operational principle,…”
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    Journal Article
  3. 3

    2D Constellation Distortion for Subduing Equalization Noise in Bandwidth- Limited IMDD Systems by Berikaa, Essam, Alam, Md. Samiul, Jacques, Maxime, Li, Xueyang, Koh, Ping-Chiek, Plant, David V.

    Published in IEEE photonics technology letters (01-03-2022)
    “…Bandwidth-limited IMDD systems suffer from the noise boosted by the strong equalization at the receiver. This letter proposes a multiplication-free approach…”
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    Journal Article
  4. 4

    Experimental Demonstration of 600 Gb/s Net Rate PAM4 Transmissions Over 2 km and 10 km With a 4-λ CWDM TOSA by Xing, Zhenping, Xiang, Meng, El-Fiky, Eslam, Li, Xueyang, Saber, Md. Ghulam, Xu, Luhua, Koh, Ping-Chiek, Plant, David V.

    Published in Journal of lightwave technology (01-06-2020)
    “…We propose to introduce a controlled amount of inter-symbol interference (ISI) during pulse shaping in a high symbol rate intensity modulation direct detection…”
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    Journal Article
  5. 5

    Wavelength-Interleaved 4D-PAM4-TCM in a 4-λ × 100 Gb/s CWDM System by Xing, Zhenping, Xiang, Meng, Li, Xueyang, El-Fiky, Eslam, Saber, Md. Ghulam, Xu, Luhua, Koh, Ping-Chiek, Plant, David

    Published in IEEE photonics technology letters (01-07-2020)
    “…In a practical 4-λ coarse wavelength division multiplexing (CWDM) intensity modulation direct detection (IM/DD) system, different wavelength channels achieve…”
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    Journal Article
  6. 6

    Net 300 Gbps/λ Transmission Over 2 km of SMF With a Silicon Photonic Mach-Zehnder Modulator by Alam, Md Samiul, Li, Xueyang, Jacques, Maxime, Berikaa, Essam, Koh, Ping-Chiek, Plant, David V.

    Published in IEEE photonics technology letters (15-12-2021)
    “…Employing our 47 GHz bandwidth silicon photonic (SiP) traveling wave Mach-Zehnder modulator (TW-MZM), we demonstrate the transmission of 134 Gbaud PAM-4 (net…”
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    Journal Article
  7. 7

    Widely tunable electroabsorption-modulated sampled-grating DBR laser transmitter by Akulova, Y.A., Fish, G.A., Ping-Chiek Koh, Schow, C.L., Kozodoy, P., Dahl, A.P., Nakagawa, S., Larson, M.C., Mack, M.P., Strand, T.A., Coldren, C.W., Hegblom, E., Penniman, S.K., Wipiejewski, T., Coldren, L.A.

    “…We report on a widely tunable transmitter based on a sampled-grating distributed Bragg reflector (SG-DBR) laser monolithically integrated with a semiconductor…”
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    Journal Article
  8. 8

    Thermal effects in monolithically integrated tunable laser transmitters by Kozodoy, P., Strand, T.A., Akulova, Y.A., Fish, G., Schow, C., Ping-Chiek Koh, Zhixi Bian, Christofferson, J., Shakouri, A.

    “…We investigate thermal effects in widely tunable laser transmitters based on an integrated single chip design. The chip contains a sampled-grating distributed…”
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    Journal Article
  9. 9

    Net 212.5 Gbit/s Transmission in O-Band with a SiP MZM, One Driver and Linear Equalization by Jacques, Maxime, Xing, Zhenping, Samani, Alireza, Li, Xueyang, El-Fiky, Eslam, Alam, Samiul, Carpentier, Olivier, Koh, Ping-Chiek, Plant, David V.

    “…We present an O-band SiP MZM design enabling net transmission of 212.5 (200) Gbit/s over 2 (10) km using PAM-8 modulation and 20% SD-FEC, and net 200 Gbit/s…”
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    Conference Proceeding
  10. 10

    High Gain-Bandwidth Waveguide Coupled Silicon Germanium Avalanche Photodiode by Carpentier, Olivier, Samani, Alireza, Jacques, Maxime, El-Fiky, Eslam, Alam, Md Samuil, Wang, Yun, Koh, Ping-Chiek, Calvo, Nicolas Abadia, Plant, David

    “…We present the DC, small signal and large signal performance of low excess-noise waveguide coupled germanium-on-silicon avalanche photodetectors with over 400…”
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    Conference Proceeding
  11. 11

    Highly Sensitive, 112 Gb/s O-Band Waveguide Coupled Silicon-Germanium Avalanche Photodetectors by Samani, Alireza, Carpentier, Olivier, El-Fiky, Eslam, Jacques, Maxime, Kumar, Amar, Wang, Yun, Guenin, Laurent, Gamache, Claude, Koh, Ping-Chiek, Plant, David V.

    “…We present two different waveguide coupled SiGe APDs. We report 25 Gb/s error free operation with −12 dBm input power. Additionally, 112 Gb/s PAM-4 operation…”
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    Conference Proceeding
  12. 12

    High Extinction Ratio and Broadband O-Band Polarization Splitter and Rotator on Silicon-on-Insulator by El-Fiky, Eslam, Wang, Yun, Bernal, Santiago, Gamache, Claude, Panorel, Eric, Kumar, Amar, Samani, Alireza, Jacques, Maxime, Koh, Ping-chiek, Plant, David V.

    “…We experimentally demonstrate a silicon photonic O-band polarization splitter and rotator. The wafer-level extinction ratio over 80 nm bandwidth has an average…”
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    Conference Proceeding