{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T01:55:31Z","timestamp":1760147731091,"version":"build-2065373602"},"reference-count":25,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2023,2,28]],"date-time":"2023-02-28T00:00:00Z","timestamp":1677542400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000780","name":"European Union","doi-asserted-by":"publisher","award":["871124","PD\/BD\/114327\/2016","PD\/BD\/135177\/2017","PD\/BD\/135222\/2017","PINFRA\/22124\/2016","PD\/00505\/2012"],"award-info":[{"award-number":["871124","PD\/BD\/114327\/2016","PD\/BD\/135177\/2017","PD\/BD\/135222\/2017","PINFRA\/22124\/2016","PD\/00505\/2012"]}],"id":[{"id":"10.13039\/501100000780","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["871124","PD\/BD\/114327\/2016","PD\/BD\/135177\/2017","PD\/BD\/135222\/2017","PINFRA\/22124\/2016","PD\/00505\/2012"],"award-info":[{"award-number":["871124","PD\/BD\/114327\/2016","PD\/BD\/135177\/2017","PD\/BD\/135222\/2017","PINFRA\/22124\/2016","PD\/00505\/2012"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"name":"FCT","award":["871124","PD\/BD\/114327\/2016","PD\/BD\/135177\/2017","PD\/BD\/135222\/2017","PINFRA\/22124\/2016","PD\/00505\/2012"],"award-info":[{"award-number":["871124","PD\/BD\/114327\/2016","PD\/BD\/135177\/2017","PD\/BD\/135222\/2017","PINFRA\/22124\/2016","PD\/00505\/2012"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Photonics"],"abstract":"<jats:p>We demonstrate the broadband optical parametric amplification of near-infrared laser pulses using a single yttrium calcium oxyborate (YCOB) crystal pumped in a noncollinear geometry by a sub-picosecond, milijoule-level source. The crystal uses an optimized orientation for phase matching outside of the principal planes, enabling ultrabroadband amplification (gain of \u223c800) in the range of 750\u2013950 nm and supporting down to 7 fs pulses.<\/jats:p>","DOI":"10.3390\/photonics10030253","type":"journal-article","created":{"date-parts":[[2023,2,28]],"date-time":"2023-02-28T03:00:38Z","timestamp":1677553238000},"page":"253","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Ultrabroadband OPA in YCOB with a sub-ps Pump Source"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1521-6392","authenticated-orcid":false,"given":"Hugo","family":"Pires","sequence":"first","affiliation":[{"name":"GoLP\/Instituto de Plasmas e Fus\u00e3o Nuclear, Instituto Superior T\u00e9cnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5472-9433","authenticated-orcid":false,"given":"Joana","family":"Alves","sequence":"additional","affiliation":[{"name":"GoLP\/Instituto de Plasmas e Fus\u00e3o Nuclear, Instituto Superior T\u00e9cnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]},{"given":"Victor","family":"Hariton","sequence":"additional","affiliation":[{"name":"GoLP\/Instituto de Plasmas e Fus\u00e3o Nuclear, Instituto Superior T\u00e9cnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]},{"given":"Mario","family":"Galletti","sequence":"additional","affiliation":[{"name":"GoLP\/Instituto de Plasmas e Fus\u00e3o Nuclear, Instituto Superior T\u00e9cnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]},{"given":"Celso","family":"Jo\u00e3o","sequence":"additional","affiliation":[{"name":"GoLP\/Instituto de Plasmas e Fus\u00e3o Nuclear, Instituto Superior T\u00e9cnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]},{"given":"Gon\u00e7alo","family":"Figueira","sequence":"additional","affiliation":[{"name":"GoLP\/Instituto de Plasmas e Fus\u00e3o Nuclear, Instituto Superior T\u00e9cnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2023,2,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1700043","DOI":"10.1002\/lpor.201700043","article-title":"High average power near-infrared few-cycle lasers","volume":"11","author":"Rothhardt","year":"2017","journal-title":"Laser Photonics Rev."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1364\/OPTICA.1.000045","article-title":"Third-generation femtosecond technology","volume":"1","author":"Fattahi","year":"2014","journal-title":"Optica"},{"key":"ref_3","first-page":"L1562","article-title":"Crystal growth and optical characterization of rare\u2013earth (Re) Calcium Oxyborate ReCa4O(BO3)3 (Re = Y or Gd) as New Nonlinear Optical Material","volume":"36","author":"Iwai","year":"1997","journal-title":"Jpn. 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