Journal: Small Science

Article Title: Two‐Dimensional Materials for Integrated Photonics: Recent Advances and Future Challenges

doi: 10.1002/smsc.202000053

Figure Lengend Snippet: The development of a part of waveguide‐integrated modulators based on 2DMs. Graphene EA modulator (Reproduced with permission. [ ³⁷ ] Copyright 2011, Springer Nature). Graphene capacitor on Si waveguide (Reproduced with permission. [ ²²³ ] Copyright 2012, American Chemical Society). Graphene AO modulator (Reproduced with permission. [ ²⁵⁴ ] Copyright 2014, American Chemical Society). Graphene TO modulator (Reproduced with permission. [ ³⁵² ] Copyright 2014, AIP Publishing). Graphene plasmonic waveguide modulator (Reproduced under the terms of the CC‐BY 4.0 license. [ ³⁵³ ] Copyright 2015, The Authors, published by Springer Nature). Graphene capacitor on a ring resonator (Reproduced with permission. [ ²²⁷ ] Copyright 2015, Springer Nature). BP modulator (Reproduced with permission. [ ²⁴⁰ ] Copyright 2016, American Chemical Society). Graphene on PhCW waveguide (Reproduced under the terms of the CC‐BY 4.0 license. [ ²²⁰ ] Copyright 2017, The Authors, published by Springer Nature). Graphene polarizer in ChG waveguide (Reproduced with permission. [ ⁴³ ] Copyright 2017, Springer Nature). Graphene on MZI (Reproduced with permission. [ ¹⁹⁸ ] Copyright 2017, Springer Nature). Graphene on polymer waveguide (Reproduced with permission. [ ³⁵⁴ ] Copyright 2019, Optical Society of America). Graphene plasmonic AO modulator (Reproduced with permission. [ ⁴⁰ ] Copyright 2019, Springer Nature). WS 2 on ring resonator (Reproduced with permission. [ ⁴¹ ] Copyright 2020, Springer Nature). Graphene on PhC waveguide (Reproduced under the terms of the CC‐BY 4.0 license. [ ²³⁰ ] Copyright 2020, The Authors, published by de Gruyter).

Article Snippet: [ ] Figure shows the transmission spectra of the waveguide‐integrated graphene optical switch under various input powers.

Techniques: Polymer

Journal: Small Science

Article Title: Two‐Dimensional Materials for Integrated Photonics: Recent Advances and Future Challenges

doi: 10.1002/smsc.202000053

Figure Lengend Snippet: Waveguide‐integrated TO modulators. a) The illustration of a TO microring modulator. Reproduced with permission. [ ²¹⁸ ] Copyright 2015, The Royal Society of Chemistry. b) The schematic diagram of a microdisk modulator thermally tunable by a graphene nanoheater. c) The shift of the resonant wavelength under different heating energies. b,c) Reproduced with permission. [ ²¹⁹ ] Copyright 2016, Optical Society of America. d) The schematic diagram of the slow light‐enhanced graphene TO modulator. Reproduced under the terms of the CC‐BY 4.0 license. [ ²²⁰ ] Copyright 2017, The Authors, published by Springer Nature. e) A TO switch with graphene integrated with a photonic‐crystal cavity. f) The transmission spectra of the waveguide‐integrated graphene optical switch under various input powers. e,f) Reproduced with permission. [ ⁴³ ] Copyright 2017, Springer Nature.

Article Snippet: [ ] Figure shows the transmission spectra of the waveguide‐integrated graphene optical switch under various input powers.

Techniques: Transmission Assay

Journal: Small Science

Article Title: Two‐Dimensional Materials for Integrated Photonics: Recent Advances and Future Challenges

doi: 10.1002/smsc.202000053

Figure Lengend Snippet: Waveguide‐integrated EA modulators. a) Interband and intraband optical absorption of graphene, μ c is the chemical potential of graphene. b) The transmission curve of the graphene modulator under different external drive voltages. Reproduced with permission. [ ³⁷ ] Copyright 2011, Springer Nature. c) The schematic diagram of a double‐layer graphene modulator. Reproduced with permission. [ ²²³ ] Copyright 2012, American Chemical Society. d) The schematic diagram of the novel EA modulator with doped silicon waveguide as gate electrode. Reproduced with permission. [ ²²⁵ ] Copyright 2016, Wiley‐VCH. e) The illustration of the waveguide‐integrated graphene modulator coupled with a ring resonator. f) The measured frequency response of this ring‐resonator graphene modulator. e,f) Reproduced with permission. [ ²²⁷ ] Copyright 2015, Springer Nature.

Article Snippet: [ ] Figure shows the transmission spectra of the waveguide‐integrated graphene optical switch under various input powers.

Techniques: Transmission Assay

Journal: Small Science

Article Title: Two‐Dimensional Materials for Integrated Photonics: Recent Advances and Future Challenges

doi: 10.1002/smsc.202000053

Figure Lengend Snippet: Waveguide‐integrated EA modulator. a) Simulated field distribution for TE and TM modes in a waveguide–graphene–waveguide structure. Reproduced with permission. [ ⁴³ ] Copyright 2017, Springer Nature. b) A novel modulator where graphene is located in the middle of waveguide. Reproduced with permission. [ ¹³⁷ ] Copyright 2011, Springer Nature. c) Graphene‐based modulator on a photonic‐crystal waveguide. Reproduced under the terms of the CC‐BY 4.0 license. [ ²³⁰ ] Copyright 2020, The Authors, published by de Gruyter. d) MIR modulator based on BP and Ge waveguide. Reproduced with permission. [ ²⁴¹ ] Copyright 2019, Springer Nature.

Article Snippet: [ ] Figure shows the transmission spectra of the waveguide‐integrated graphene optical switch under various input powers.

Techniques:

Journal: Small Science

Article Title: Two‐Dimensional Materials for Integrated Photonics: Recent Advances and Future Challenges

doi: 10.1002/smsc.202000053

Figure Lengend Snippet: Waveguide‐integrated EO modulators. a) Schematic diagram of unbalanced MZI. b) The illustration of graphene EO phase modulator based on unbalanced MZI. c) The ER (1550 nm) of graphene MZI phase modulator under different applied voltages. b,c) Reproduced with permission. [ ¹⁹⁸ ] Copyright 2017, Springer Nature. d) An EO phase modulator based on WS 2 . Reproduced with permission. [ ⁴¹ ] Copyright 2020, Springer Nature.

Article Snippet: [ ] Figure shows the transmission spectra of the waveguide‐integrated graphene optical switch under various input powers.

Techniques:

Journal: Small Science

Article Title: Two‐Dimensional Materials for Integrated Photonics: Recent Advances and Future Challenges

doi: 10.1002/smsc.202000053

Figure Lengend Snippet: Waveguide‐integrated AO modulator. a) Illustration of waveguide‐integrated local and nonlocal AO graphene modulator. Reproduced with permission. [ ²⁵⁴ ] Copyright 2014, American Chemical Society. b) Schematic of the graphene‐plasmonic slot waveguide AO modulator. Reproduced with permission. [ ²⁵⁷ ] Copyright 2019, The Japan Society of Applied Physics. c) Schematic of the graphene‐plasmonic slot waveguide AO modulator and pump‐probe measurement. d) Calculated field profile (| E | 2 ) of graphene AO modulator. e) Saturable absorption of the monolayer, bilayer graphene, and Si wire with excitation of picosecond laser pulses. c–e) Reproduced with permission. [ ⁴⁰ ] Copyright 2019, Springer Nature.

Article Snippet: [ ] Figure shows the transmission spectra of the waveguide‐integrated graphene optical switch under various input powers.

Techniques:

Journal: Small Science

Article Title: Two‐Dimensional Materials for Integrated Photonics: Recent Advances and Future Challenges

doi: 10.1002/smsc.202000053

Figure Lengend Snippet: Figures of merit in typical waveguide‐integrated modulators based on 2DMs

Article Snippet: [ ] Figure shows the transmission spectra of the waveguide‐integrated graphene optical switch under various input powers.

Techniques:

Journal: Small Science

Article Title: Two‐Dimensional Materials for Integrated Photonics: Recent Advances and Future Challenges

doi: 10.1002/smsc.202000053

Figure Lengend Snippet: The development of a part of waveguide‐integrated photodetectors based on 2DMs. Graphene photoconductor (Reproduced with permission. [ ³⁵⁵ ] Copyright 2013, Springer Nature). Graphene/Si waveguide photodiode (Reproduced with permission. [ ³⁵⁶ ] Copyright 2013, Springer Nature). Graphene phototransistor and modulator (Reproduced with permission. [ ²⁹⁶ ] Copyright 2014, American Chemical Society). BP phototransistor (Reproduced with permission. [ ²⁹⁹ ] Copyright 2015, Springer Nature). Lateral graphene junction photodetector (Reproduced with permission. [ ²⁹⁷ ] Copyright 2016, American Chemical Society). Graphene photoconductor on slot waveguide (Reproduced with permission. [ ³⁶⁴ ] Copyright 2016, The Royal Society of Chemistry). Plasmonic BP phototransistor (Reproduced with permission. [ ³⁰⁵ ] Copyright 2017, American Chemical Society). MoTe 2 phototransistor and LED (Reproduced with permission. [ ¹³³ ] Copyright 2017, Springer Nature). Graphene photoconductor on ChG waveguide (Reproduced with permission. [ ⁴³ ] Copyright 2017, Springer Nature). Graphene phototransistor on PhC waveguide (Reproduced with permission. [ ³⁵⁷ ] Copyright 2018, American Chemical Society). Plasmonic Graphene pn junction photodetector (Reproduced with permission. [ ³⁵⁹ ] Copyright 2019, American Chemical Society). MoS 2 phototransistor at visible wavelengths (Reproduced with permission under the terms of the CC‐BY 4.0 license. [ ³⁵⁸ ] Copyright 2019, The Authors, published by Springer Nature). MoTe 2 /graphene junction photodetector (Reproduced with permission. [ ⁴² ] Copyright 2020, Springer Nature). Suspended MoTe 2 photoconductor (Reproduced with permission. [ ²⁸⁹ ] Copyright 2020, Springer Nature).

Article Snippet: [ ] Figure shows the transmission spectra of the waveguide‐integrated graphene optical switch under various input powers.

Techniques:

Journal: Small Science

Article Title: Two‐Dimensional Materials for Integrated Photonics: Recent Advances and Future Challenges

doi: 10.1002/smsc.202000053

Figure Lengend Snippet: a) The schematic of waveguide‐integrated graphene photodetectors. b) Spatially resolved photocurrent mapping of the photodetector under zero external bias. a,b) Reproduced with permission. [ ³⁸ ] Copyright 2013, Springer Nature. c) The resistance variation of graphene under different gate voltages. Reproduced with permission. [ ²⁹⁶ ] Copyright 2014, American Chemical Society. d) The schematic and photoresponse of the gate‐controlled graphene PN junction photodetector. Reproduced with permission. [ ²⁹⁷ ] Copyright 2016, American Chemical Society.

Article Snippet: [ ] Figure shows the transmission spectra of the waveguide‐integrated graphene optical switch under various input powers.

Techniques:

Journal: Small Science

Article Title: Two‐Dimensional Materials for Integrated Photonics: Recent Advances and Future Challenges

doi: 10.1002/smsc.202000053

Figure Lengend Snippet: a) The I–V curve of a graphene/Si waveguide photodetector. Reproduced with permission. [ ³⁰³ ] Copyright 2016, AIP Publishing. b) Illustration of the energy band of graphene/Si heterojunction in the dark. Reproduced with permission. [ ³⁵⁶ ] Copyright 2013, Springer Nature. c) Schematic of a waveguide‐integrated photodetector based on van der Waals heterojunction. Reproduced with permission. [ ³⁰² ] Copyright 2019, Optical Society of America.

Article Snippet: [ ] Figure shows the transmission spectra of the waveguide‐integrated graphene optical switch under various input powers.

Techniques:

Journal: Small Science

Article Title: Two‐Dimensional Materials for Integrated Photonics: Recent Advances and Future Challenges

doi: 10.1002/smsc.202000053

Figure Lengend Snippet: Figures of merit in typical waveguide‐integrated photodetectors based on 2DMs

Article Snippet: [ ] Figure shows the transmission spectra of the waveguide‐integrated graphene optical switch under various input powers.

Techniques: