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A small signal model is proposed for analyzing the lasing threshold. There exists an analytic solution in the case of small signal. It is shown that the threshold input pump power is relational to the cavity length and coupler efficiency. The optium cavity length and coupling efficiency exist for the minimum threshold. The case of big signal is analyzed as well by solving the equations numerically. The output spectrum is given, which shows that the spectral width of the output is approximately 2 nm. The effects of the cavity length, coupler efficiency, and input pump power on the output characteristics are discussed.", "subitem_description_type": "Abstract"}]}, "item_4_full_name_3": {"attribute_name": "\u8457\u8005\u5225\u540d", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "32746", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "\u55ac, \u5b66\u81e3"}]}, {"nameIdentifiers": [{"nameIdentifier": "32747", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "\u85e4\u4e95, \u967d\u4e00"}]}]}, "item_4_publisher_20": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u6771\u4eac\u5927\u5b66\u751f\u7523\u6280\u8853\u7814\u7a76\u6240"}]}, "item_4_source_id_10": {"attribute_name": "\u66f8\u8a8c\u30ec\u30b3\u30fc\u30c9ID", "attribute_value_mlt": [{"subitem_source_identifier": "AN00127075", "subitem_source_identifier_type": "NCID"}]}, "item_4_source_id_8": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0037105X", "subitem_source_identifier_type": "ISSN"}]}, "item_4_subject_15": {"attribute_name": "\u65e5\u672c\u5341\u9032\u5206\u985e\u6cd5", "attribute_value_mlt": [{"subitem_subject": "549", "subitem_subject_scheme": "NDC"}]}, "item_4_text_21": {"attribute_name": "\u51fa\u7248\u8005\u5225\u540d", "attribute_value_mlt": [{"subitem_text_value": "Institute of Industrial Science, the University of Tokyo"}]}, "item_4_text_34": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"subitem_text_value": "Departmental Bulletin Paper"}]}, "item_4_text_4": {"attribute_name": "\u8457\u8005\u6240\u5c5e", "attribute_value_mlt": [{"subitem_text_value": "NTT Data \u7834\u58ca\u529b\u5b66"}, {"subitem_text_value": "Institute of Industrial Science, University of Tokyo \u5fdc\u7528\u96fb\u5b50\u5de5\u5b66"}]}, "item_creator": {"attribute_name": "\u8457\u8005", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "QIAO, Xuechen"}], "nameIdentifiers": [{"nameIdentifier": "32744", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "FUJII, Yoichi"}], "nameIdentifiers": [{"nameIdentifier": "32745", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "\u30d5\u30a1\u30a4\u30eb\u60c5\u5831", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2017-06-08"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "sk046008003.pdf", "filesize": [{"value": "762.4 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 762400.0, "url": {"label": "sk046008003.pdf", "url": "https://repository.dl.itc.u-tokyo.ac.jp/record/18657/files/sk046008003.pdf"}, "version_id": "247c6a6c-e1f9-4cea-9b6a-529b15577e33"}]}, "item_language": {"attribute_name": "\u8a00\u8a9e", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"resourcetype": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "\u7814\u7a76\u89e3\u8aac : Theoretical Analysis of Erbium-Doped Fiber Laser with a Ring Cavity", "item_titles": {"attribute_name": "\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_title": "\u7814\u7a76\u89e3\u8aac : Theoretical Analysis of Erbium-Doped Fiber Laser with a Ring Cavity"}]}, "item_type_id": "4", "owner": "1", "path": ["171/1108/1270/1280", "9/504/1111/1272/1281"], "permalink_uri": "http://hdl.handle.net/2261/49975", "pubdate": {"attribute_name": "\u516c\u958b\u65e5", "attribute_value": "2012-11-16"}, "publish_date": "2012-11-16", "publish_status": "0", "recid": "18657", "relation": {}, "relation_version_is_last": true, "title": ["\u7814\u7a76\u89e3\u8aac : Theoretical Analysis of Erbium-Doped Fiber Laser with a Ring Cavity"], "weko_shared_id": null}