{"doi":"10.1002/adom.202002049","title":"Non‐Volatile Reconfigurable Integrated Photonics Enabled by Broadband Low‐Loss Phase Change Material","abstract":"Abstract Phase change materials (PCMs) have long been used as a storage medium in rewritable compact disk and later in random access memory. In recent years, integration of PCMs with nanophotonic structures has introduced a new paradigm for non‐volatile reconfigurable optics. However, the high loss of the archetypal PCM Ge 2 Sb 2 Te 5 in both visible and telecommunication wavelengths has fundamentally limited its applications. Sb 2 S 3 has recently emerged as a wide‐bandgap PCM with transparency windows ranging from 610 nm to near‐IR. In this paper, the strong optical phase modulation and low optical loss of Sb 2 S 3 are experimentally demonstrated for the first time in integrated photonic platforms at both 750 and 1550 nm. As opposed to silicon, the thermo‐optic coefficient of Sb 2 S 3 is shown to be negative, making the Sb 2 S 3 –Si hybrid platform less sensitive to thermal fluctuation. Finally, a Sb 2 S 3 integrated non‐volatile microring switch is demonstrated which can be tuned electrically between a high and low transmission state with a contrast over 30 dB. This work experimentally verifies prominent phase modification and low loss of Sb 2 S 3 in wavelength ranges relevant for both solid‐state quantum emitter and telecommunication, enabling potential applications such as optical field programmable gate array, post‐fabrication trimming, and large‐scale integrated quantum photonic network.","journal":"Advanced Optical Materials","year":2021,"id":146803,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":193,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9543,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2021-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":238145,"name":"Jiajiu Zheng","orcid":"0000-0003-1527-201X","position":1,"is_corresponding":false},{"id":306831,"name":"Abhi Saxena","orcid":"0000-0001-6453-929X","position":2,"is_corresponding":false},{"id":309441,"name":"James Whitehead","orcid":null,"position":3,"is_corresponding":false},{"id":306827,"name":"Yueyang Chen","orcid":"0000-0002-4390-550X","position":4,"is_corresponding":false},{"id":238154,"name":"Arka Majumdar","orcid":"0000-0003-0917-590X","position":5,"is_corresponding":false},{"id":238146,"name":"Zhuoran Fang","orcid":"0000-0001-8724-6633","position":0,"is_corresponding":true}],"reference_count":68,"raw_metadata":null,"created_at":"2026-07-18T23:42:24.567796Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}