[1] Wissmeyer G, Pleitez M A, Rosenthal A et al. Looking at sound: optoacoustics with all-optical ultrasound detection[J]. Light: Science & Applications, 7, 53(2018).

[2] Winkler A M, Maslov K, Wang L V. Noise-equivalent sensitivity of photoacoustics[J]. Journal of Biomedical Optics, 18, 097003(2013).

[3] Brodie G W J, Qiu Y Q, Cochran S et al. Letters: optically transparent piezoelectric transducer for ultrasonic particle manipulation[J]. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 61, 389-391(2014).

[4] Wygant I O, Zhuang X F, Yeh D T et al. Integration of 2D CMUT arrays with front-end electronics for volumetric ultrasound imaging[J]. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 55, 327-342(2008).

[5] Khuri-Yakub B T, Oralkan O. Capacitive micromachined ultrasonic transducers for medical imaging and therapy[J]. Journal of Micromechanics and Microengineering: Structures, Devices, and Systems, 21, 54004-54014(2011).

[6] Dong B Q, Sun C, Zhang H F. Optical detection of ultrasound in photoacoustic imaging[J]. IEEE Transactions on Biomedical Engineering, 64, 4-15(2017).

[7] Zhu X Y, Huang Z Y, Wang G H et al. Ultrasonic detection based on polarization-dependent optical reflection[J]. Optics Letters, 42, 439-441(2017).

[8] Nuster R, Paltauf G, Burgholzer P. Comparison of surface plasmon resonance devices for acoustic wave detection in liquid[J]. Optics Express, 15, 6087-6095(2007).

[9] Wang T X, Cao R, Ning B et al. All-optical photoacoustic microscopy based on plasmonic detection of broadband ultrasound[J]. Applied Physics Letters, 107, 153702(2015).

[10] Paltauf G, Schmidt-Kloiber H, Köstli K P et al. Optical method for two-dimensional ultrasonic detection[J]. Applied Physics Letters, 75, 1048-1050(1999).

[11] Parsons J E, Cain C A, Fowlkes J B. Cost-effective assembly of a basic fiber-optic hydrophone for measurement of high-amplitude therapeutic ultrasound fields[J]. The Journal of the Acoustical Society of America, 119, 1432-1440(2006).

[12] Maswadi S M, Ibey B L, Roth C C et al. All-optical optoacoustic microscopy based on probe beam deflection technique[J]. Photoacoustics, 4, 91-101(2016).

[13] Barnes R A, Maswadi S, Glickman R et al. Probe beam deflection technique as acoustic emission directionality sensor with photoacoustic emission source[J]. Applied Optics, 53, 511-519(2014).

[14] Zanelli C I, Howard S M. Schlieren metrology for high frequency medical ultrasound[J]. Ultrasonics, 44, e105-e107(2006).

[15] Nuster R, Slezak P, Paltauf G. High resolution three-dimensional photoacoutic tomography with CCD-camera based ultrasound detection[J]. Biomedical Optics Express, 5, 2635-2647(2014).

[16] Zhang P F, Miao Y H, Ma Y W et al. All-optical ultrasonic detector based on differential interference[J]. Optics Letters, 47, 4790-4793(2022).

[17] Deferrari H A, Darby R A, Andrews F A. Vibrational displacement and mode-shape measurement by a laser interferometer[J]. The Journal of the Acoustical Society of America, 42, 982-990(1967).

[18] Bauer-Marschallinger J, Höllinger A, Jakoby B et al. Fiber-optic annular detector array for large depth of field photoacoustic macroscopy[J]. Photoacoustics, 5, 1-9(2017).

[19] Ma J, Zhao J, Chen H W et al. Transparent microfiber Fabry-Perot ultrasound sensor with needle-shaped focus for multiscale photoacoustic imaging[J]. Photoacoustics, 30, 100482(2023).

[20] Bai X, Ma J, Li X et al. Focus-tunable fiber-laser ultrasound sensor for high-resolution linear-scanning photoacoustic computed tomography[J]. Applied Physics Letters, 116, 153701(2020).

[21] Ma J, He Y, Bai X E et al. Flexible microbubble-based Fabry–Pérot cavity for sensitive ultrasound detection and wide-view photoacoustic imaging[J]. Photonics Research, 8, 1558-1565(2020).

[22] Ashkenazi S, Hou Y, Buma T et al. Optoacoustic imaging using thin polymer étalon[J]. Applied Physics Letters, 86, 134102(2005).

[23] Huang S W, Hou Y, Ashkenazi S et al. High-resolution ultrasonic imaging using an etalon detector array[J]. Applied Physics Letters, 93, 113501(2008).

[24] Zhang E, Laufer J, Beard P. Backward-mode multiwavelength photoacoustic scanner using a planar Fabry-Perot polymer film ultrasound sensor for high-resolution three-dimensional imaging of biological tissues[J]. Applied Optics, 47, 561-577(2008).

[25] Hajireza P, Krause K, Brett M et al. Glancing angle deposited nanostructured film Fabry-Perot etalons for optical detection of ultrasound[J]. Optics Express, 21, 6391-6400(2013).

[26] Preisser S, Rohringer W, Liu M Y et al. All-optical highly sensitive akinetic sensor for ultrasound detection and photoacoustic imaging[J]. Biomedical Optics Express, 7, 4171-4186(2016).

[27] Guggenheim J A, Li J, Allen T J et al. Ultrasensitive plano-concave optical microresonators for ultrasound sensing[J]. Nature Photonics, 11, 714-719(2017).

[28] Rosenthal A, Razansky D, Ntziachristos V. High-sensitivity compact ultrasonic detector based on a pi-phase-shifted fiber Bragg grating[J]. Optics Letters, 36, 1833-1835(2011).

[29] Wu Q, Okabe Y. High-sensitivity ultrasonic phase-shifted fiber Bragg grating balanced sensing system[J]. Optics Express, 20, 28353-28362(2012).

[30] Rosenthal A, Kellnberger S, Bozhko D et al. Sensitive interferometric detection of ultrasound for minimally invasive clinical imaging applications[J]. Laser & Photonics Reviews, 8, 450-457(2014).

[31] Wissmeyer G, Soliman D, Shnaiderman R et al. All-optical optoacoustic microscope based on wideband pulse interferometry[J]. Optics Letters, 41, 1953-1956(2016).

[32] Shnaiderman R, Wissmeyer G, Seeger M et al. Fiber interferometer for hybrid optical and optoacoustic intravital microscopy[J]. Optica, 4, 1180-1187(2017).

[33] Shnaiderman R, Wissmeyer G, Ülgen O et al. A submicrometre silicon-on-insulator resonator for ultrasound detection[J]. Nature, 585, 372-378(2020).

[34] Hazan Y, Levi A, Nagli M et al. Silicon-photonics acoustic detector for optoacoustic micro-tomography[J]. Nature Communications, 13, 1488(2022).

[35] Li H, Dong B Q, Zhang Z et al. A transparent broadband ultrasonic detector based on an optical micro-ring resonator for photoacoustic microscopy[J]. Scientific Reports, 4, 4496(2014).

[36] Maxwell A, Huang S W, Ling T et al. Polymer microring resonators for high-frequency ultrasound detection and imaging[J]. IEEE Journal of Selected Topics in Quantum Electronics, 14, 191-197(2008).

[37] Chao C Y, Ashkenazi S, Huang S W et al. High-frequency ultrasound sensors using polymer microring resonators[J]. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 54, 957-965(2007).

[38] Hamilton J D, Buma T, Spisar M et al. High frequency optoacoustic arrays using etalon detection[J]. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 47, 160-169(2000).

[39] Huang S W, Chen S L, Ling T et al. Low-noise wideband ultrasound detection using polymer microring resonators[J]. Applied Physics Letters, 92, 193509(2008).

[40] Ling T, Chen S L, Guo L J. High-sensitivity and wide-directivity ultrasound detection using high Q polymer microring resonators[J]. Applied Physics Letters, 98, 204103(2011).

[41] Zhang C, Chen S L, Ling T et al. Review of imprinted polymer microrings as ultrasound detectors: design, fabrication, and characterization[J]. IEEE Sensors Journal, 15, 3241-3248(2015).

[42] Westerveld W J, Mahmud-Ul-Hasan M, Shnaiderman R et al. Sensitive, small, broadband and scalable optomechanical ultrasound sensor in silicon photonics[J]. Nature Photonics, 15, 341-345(2021).

[43] Pan J S, Li Q, Feng Y M et al. Parallel interrogation of the chalcogenide-based micro-ring sensor array for photoacoustic tomography[J]. Nature Communications, 14, 3250(2023).

[44] Ling T, Chen S L, Guo L J. Fabrication and characterization of high Q polymer micro-ring resonator and its application as a sensitive ultrasonic detector[J]. Optics Express, 19, 861-869(2011).

[45] Xie Z X, Chen S L, Ling T et al. Pure optical photoacoustic microscopy[J]. Optics Express, 19, 9027-9034(2011).

[46] Zhang C, Ling T, Chen S L et al. Ultrabroad bandwidth and highly sensitive optical ultrasonic detector for photoacoustic imaging[J]. ACS Photonics, 1, 1093-1098(2014).

[47] Cranch G A, Nash P J, Kirkendall C K. Large-scale remotely interrogated arrays of fiber-optic interferometric sensors for underwater acoustic applications[J]. IEEE Sensors Journal, 3, 19-30(2003).

[48] Gabai H, Steinberg I, Eyal A. Multiplexing of fiber-optic ultrasound sensors via swept frequency interferometry[J]. Optics Express, 23, 18915-18924(2015).

[49] Bauer-Marschallinger J, Felbermayer K, Berer T. All-optical photoacoustic projection imaging[J]. Biomedical Optics Express, 8, 3938-3951(2017).

[50] Hazan Y, Rosenthal A. Simultaneous multi-channel ultrasound detection via phase modulated pulse interferometry[J]. Optics Express, 27, 28844-28854(2019).

[51] Dong B Q, Chen S Y, Zhang Z et al. Photoacoustic probe using a microring resonator ultrasonic sensor for endoscopic applications[J]. Optics Letters, 39, 4372-4375(2014).

[52] Ansari R, Zhang E Z, Desjardins A E et al. All-optical forward-viewing photoacoustic probe for high-resolution 3D endoscopy[J]. Light: Science & Applications, 7, 75(2018).

[53] Dong B Q, Li H, Zhang Z et al. Isometric multimodal photoacoustic microscopy based on optically transparent micro-ring ultrasonic detection[J]. Optica, 2, 169-176(2015).

[54] Liang Y Z, Fu W B, Li Q et al. Optical-resolution functional gastrointestinal photoacoustic endoscopy based on optical heterodyne detection of ultrasound[J]. Nature Communications, 13, 7604(2022).

[55] Li H, Dong B Q, Zhang X et al. Disposable ultrasound-sensing chronic cranial window by soft nanoimprinting lithography[J]. Nature Communications, 10, 4277(2019).

[56] Rong Q Z, Lee Y, Tang Y Q et al. High-frequency 3D photoacoustic computed tomography using an optical microring resonator[J]. BME Frontiers, 2022, 9891510(2022).

[57] Valluru K S, Wilson K E, Willmann J K. Photoacoustic imaging in oncology: translational preclinical and early clinical experience[J]. Radiology, 280, 332-349(2016).

[58] Zackrisson S, van de Ven S M W Y, Gambhir S S. Light in and sound out: emerging translational strategies for photoacoustic imaging[J]. Cancer Research, 74, 979-1004(2014).

[59] Zabihian B, Weingast J, Liu M Y et al. In vivo dual-modality photoacoustic and optical coherence tomography imaging of human dermatological pathologies[J]. Biomedical Optics Express, 6, 3163-3178(2015).

[60] Jathoul A P, Laufer J, Ogunlade O et al. Deep in vivo photoacoustic imaging of mammalian tissues using a tyrosinase-based genetic reporter[J]. Nature Photonics, 9, 239-246(2015).

[61] Zhao T R, Pham T T, Baker C et al. Ultrathin, high-speed, all-optical photoacoustic endomicroscopy probe for guiding minimally invasive surgery[J]. Biomedical Optics Express, 13, 4414-4428(2022).

[62] Garrett D C, Wang L V. Acoustic sensing with light[J]. Nature Photonics, 15, 324-326(2021).