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<title>Replication Data for: Active Ultrahigh‐Q (0.2 × 106) THz Topological Cavities on a Chip</title>
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<h1>Replication Data for: Active Ultrahigh‐Q (0.2 × 106) THz Topological Cavities on a Chip (doi:10.21979/N9/2BSEXR)</h1>
<table border="0" cellpadding="5" cellspacing="0">
<tr>
<td valign="top">
<p>
<b>View:</b>
</p>
</td><td>
<p>
<a href="#1.0">Part 1: Document Description</a>
<br>
<a href="#2.0">Part 2: Study Description</a>
<br>
<a href="#5.0">Part 5: Other
Study-Related Materials</a>
<br>
<a href="">Entire Codebook</a>
</p>
</td>
</tr>
</table>
<table border="0" cellpadding="5" cellspacing="5">
<tr class="h1">
<th align="left" colspan="2">
<p>
<a name="1.0" id="1.0">Document Description</a>
</p>
</th>
</tr>
<tr class="h2">
<th colspan="2">
<p>Citation</p>
</th>
</tr>
<tr>
<td class="h3">
<p>Title:</p>
</td><td>
<p>Replication Data for: Active Ultrahigh‐Q (0.2 × 106) THz Topological Cavities on a Chip</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Identification Number:</p>
</td><td>
<p>doi:10.21979/N9/2BSEXR</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Distributor:</p>
</td><td>
<p>DR-NTU (Data)</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Date of Distribution:</p>
</td><td>
<p>2022-06-27</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Version:</p>
</td><td>
<p>1</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Bibliographic Citation:</p>
</td><td>
<p>Kumar, Abhishek; Gupta, Manoj; Pitchappa, Prakash; Tan, Thomas Caiwei; Chattopadhyay, Udvas; Ducournau, Guillaume; Wang, Nan; Chong, Yidong; Singh, Ranjan, 2022, "Replication Data for: Active Ultrahigh‐Q (0.2 × 106) THz Topological Cavities on a Chip", https://doi.org/10.21979/N9/2BSEXR, DR-NTU (Data), V1</p>
</td>
</tr>
<tr class="h1">
<th colspan="2">
<p>
<a name="2.0">Study Description</a>
</p>
</th>
</tr>
<tr class="h2">
<th colspan="2">
<p>Citation</p>
</th>
</tr>
<tr>
<td class="h3">
<p>Title:</p>
</td><td>
<p>Replication Data for: Active Ultrahigh‐Q (0.2 × 106) THz Topological Cavities on a Chip</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Identification Number:</p>
</td><td>
<p>doi:10.21979/N9/2BSEXR</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Authoring Entity:</p>
</td><td>
<p>Kumar, Abhishek (Nanyang Technological University)</p>
</td>
</tr>
<tr>
<td class="h3"></td><td>
<p>Gupta, Manoj (Nanyang Technological University)</p>
</td>
</tr>
<tr>
<td class="h3"></td><td>
<p>Pitchappa, Prakash (Agency for Science, Technology and Research)</p>
</td>
</tr>
<tr>
<td class="h3"></td><td>
<p>Tan, Thomas Caiwei (Nanyang Technological University)</p>
</td>
</tr>
<tr>
<td class="h3"></td><td>
<p>Chattopadhyay, Udvas (Nanyang Technological University)</p>
</td>
</tr>
<tr>
<td class="h3"></td><td>
<p>Ducournau, Guillaume (Nanyang Technological University)</p>
</td>
</tr>
<tr>
<td class="h3"></td><td>
<p>Wang, Nan (Agency for Science, Technology and Research)</p>
</td>
</tr>
<tr>
<td class="h3"></td><td>
<p>Chong, Yidong (Nanyang Technological University)</p>
</td>
</tr>
<tr>
<td class="h3"></td><td>
<p>Singh, Ranjan (Nanyang Technological University)</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Software used in Production:</p>
</td><td>
<p>Origin</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Software used in Production:</p>
</td><td>
<p>CST Microwave studio</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Grant Number:</p>
</td><td>
<p>NRF-CRP23-2019-0005</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Distributor:</p>
</td><td>
<p>DR-NTU (Data)</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Access Authority:</p>
</td><td>
<p>Kumar, Abhishek</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Depositor:</p>
</td><td>
<p>Kumar, Abhishek</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Date of Deposit:</p>
</td><td>
<p>2022-04-18</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Holdings Information:</p>
</td><td>
<p>https://doi.org/10.21979/N9/2BSEXR</p>
</td>
</tr>
<tr class="h2">
<th colspan="2">
<p>Study Scope</p>
</th>
</tr>
<tr>
<td class="h3">
<p>Keywords:</p>
</td><td>
<p>Physics, Physics, 6G communication, topological photonics, ultrahigh Q topological cavity, terahertz photonics</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Abstract:</p>
</td><td>
<p>Rapid scaling of semiconductor devices has led to an increase in the number of processor cores and integrated functionalities onto a single chip to support the growing demands of high-speed and large volume consumer electronics. This burgeoning demand for an ever-increasing on-chip communication bandwidth has been a great challenge over the recent decades and has motivated a plethora of research to improve interconnect capacities in terms of bandwidth density for enhanced throughput and energy efficiency. Low-loss terahertz silicon interconnects with larger bandwidth offers good prospects to solve the existing inter/intra chip bandwidth density and energy efficiency bottleneck to cater to the heavy demands of enhanced on-chip system performance of most computers and embedded systems. Here, we present a low-loss terahertz topological interconnect-cavity system that can actively route signals through the interconnect and cavity with sharp bends, by coupling to a topological whispering gallery mode resonance with an ultra-high-quality (Q) factor of 0.2 × 106. The topologically protected large Q factor cavity enables energy-efficient optical control of the ultra-high-Q resonance showing 50 dB modulation. We further demonstrate the dynamic control of the critical coupling between the topological interconnect-cavity system that provides huge design flexibility for on-chip active tailoring of the cavity resonance linewidth, frequency, and modulation through complete suppression of the back reflection due to the topological protection. The on-chip topological cavity is CMOS-compatible and highly desirable for hybrid electronic-photonic technologies that holds the key for development of the sixth (6G) generation terahertz communication devices, including on-chip modulators, switches, signal routers, antennas, and multiplexers. Ultra-high-Q cavity also paves the path for the design of low threshold topological lasers, quantum integrated circuits, and nonlinear topological photonics.</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Kind of Data:</p>
</td><td>
<p>Reproduction data</p>
</td>
</tr>
<tr class="h2">
<th colspan="2">
<p>Methodology and Processing</p>
</th>
</tr>
<tr>
<th colspan="2">
<p>Sources Statement</p>
</th>
</tr>
<tr class="h2">
<th colspan="2">
<p>Data Access</p>
</th>
</tr>
<tr class="h2">
<th colspan="2">
<p>Other Study Description Materials</p>
</th>
</tr>
<tr>
<th colspan="2">
<p>Related Publications</p>
</th>
</tr>
<tr class="h2">
<th colspan="2">
<p>Citation</p>
</th>
</tr>
<tr>
<td class="h3">
<p>Identification Number:</p>
</td><td>
<p>10.1002/adma.202202370</p>
</td>
</tr>
<tr>
<td class="h3">
<p>Bibliographic Citation:</p>
</td><td>
<p>Kumar, A., Gupta, M., Pitchappa, P., Tan, T. C., Chattopadhyay, U., Ducournau, G., … Singh, R. (2022). On‐Chip Active Control of Ultra‐High‐Q Terahertz Photonic Topological Cavities. Advanced Materials, 2202370.</p>
</td>
</tr>
(<a href="https://onlinelibrary.wiley.com/doi/10.1002/adma.202202370">external link</a>)
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<p>Figure 2a.opj</p>
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</td><td>
<p>application/octet-stream</p>
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<p>application/octet-stream</p>
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<p>application/octet-stream</p>
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<p>application/octet-stream</p>
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<p>application/octet-stream</p>
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<p>application/octet-stream</p>
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<p>application/octet-stream</p>
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<p>application/octet-stream</p>
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<p>application/octet-stream</p>
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<p>application/octet-stream</p>
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<p>Figure S8.opj</p>
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<td class="h3">
<p>Notes:</p>
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<p>application/octet-stream</p>
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