Topics of research

A text book by Prof Bisht

An Introduction to Photonics and Laser Physics with Applications  published by IoP (UK): >  1000 downloads in one year.

Optical parametric amplification

·         Sum and difference frequency generation of white light continuum with the ps pulses of Nd⁺³:YAG laser in a thick BBO crystal, A. Nautiyal, P. B. Bisht, Optics Communications, 278 (2007) 175-179.

·         Conical emission in β-barium borate under femtosecond pumping with phase matching angles away from second harmonic generation, S. Akbar Ali, P. B. Bisht^*, A. Nautiyal, V. Shukla, K. S. Bindra and S. M. Oak, J. Opt. Soc. Am. B 27 (2010) 1751-1755.

·         Effects of thickness of β-barium borate and angle of non-collinearity on the fs pulse generation by optical parametric amplification, A. Nautiyal, P. B. Bisht, , K. S. Bindra and S. M. Oak, Optics & Laser Technology 41(2009)539-544.

·         Ultrafast tunable femtosecond pulse generation by chirped sum frequency mixing, S. Akbar Ali, P. B. Bisht, International Conference on Fibre Optics and Photonics, Chennai, India, 2012; p MPo.7

Dark Core beams, Sum frequency generation, FROG, SPIDER, and fluorescence upconversion

·         Soumyodeep Dey, Sailaja Rallabandi, Surendra Singh and Prem Bisht, Study of a dark core beam generated by nonlinear thermo-optical effect,
Optics and Laser Tech, 134 (2021)106652-60,
Details: https://doi.org/10.1016/j.optlastec.2020.106652

·          Broadly tunable parametric line emission from β- barium borate on pumping with picosecond pulses, A. Nautiyal, P. B. Bisht, Optics Communications 281 (2008) 3351-3355.

·         Tunable femtosecond pulses in 375–405 nm region with Ti:sapphire oscillator by chirped sum frequency, S. Akbar Ali, Prem B. Bisht & Basanth S. Kalanoor, J Optics (Springer), DOI 10.1007/s12596-014-0214-9, 2014.

·         Dynamical aspects of ultrafast intermolecular electron transfer faster than solvation process: substituent effects and energy gap dependence, Y. Nagasawa, A. P. Yartsev, K. Tominaga, P. B. Bisht, A. E. Johnson and K. Yoshihara,J. Physical Chemistry 99, 653-662 (1995).

Whispering gallery modes (WGMs) and cavity induced enhancement/ inhibition

1.       Tulika Agrawal, Shubhayan Bhattacharya, Vijay Kumar Sagar and Prem B. Bisht, Radiative rate inhibition in fluorescent nanodiamonds-microcavity system, J. Luminescence 234 (2021) 117963-71.

2. Shubhayan Bhattacharya, Aneesh V. Veluthandath, C. C. Huang, Ganapathy S. Murugan and Prem B. Bisht, Effect of coating few-layer WS₂ on the Raman spectra and whispering gallery modes of a microbottle resonator,
   J. Optics 2020_(22)_10500 Details: https://doi.org/10.1016/j.optlastec.2020.106652 (Click here for PDF access))
3. Aneesh V. Veluthandath, Shubhayan Bhattacharya, Ganapathy Senthil Murugan and Prem B Bisht, Fano resonances and photoluminescence in self-assembled high Q microbottle resonators, IEEE Photonics Technology Letters, 31 (3) (2019) 226-229.
4.  Shubhayan Bhattacharya, Aneesh V. Veluthandath, and Prem B. Bisht, Whispering gallery modes in photoluminescence of ruthenium bipyridine in coated microcavities, Materials Research Express , 5 (12) (2018) 126201.
5. Aneesh V. Veluthandath, Sudhakara R. Bongu, Sundara Ramaprabhu and Prem B. Bisht,Cavity induced fluorescence enhancement of graphitic carbon nitride submicron flakes, Materials Research Express 4 (1), 015015 (2017).

6.       Aneesh V. Veluthandath, Prem B. Bisht, Radiative rate modification in CdSe quantum dot-coated microcavity, Journal of Applied Physics, 118 (2015) 233102.

7. Aneesh V. Veluthandath and Prem B Bisht , Identification of Whispering Gallery Mode (WGM) coupled photo-luminescence and Raman modes in complex spectra of MoS₂ in Polymethyl methacrylate (PMMA) microspheres, J. of Lumin.187 (2017) 255-259.

8.       V. R. Dantham and P. B. Bisht, Influence of whispering gallery modes (WGMs) on energy transfer, Chem. Phys 388 (2011 )38-42.

9. V. R. Dantham, P. B. Bisht* and C. K. R. Namboodiri, Enhancement of Raman scattering by two orders of magnitude using photonic nanojet of a microsphere, J. Appl. Physics, 109 (2011)103103.
   
   
10. V. Ramanaiah Dantham and, Prem B. Bisht, P. s. Dobhal, Whispering gallery modes and effect of coating on Raman spectra of single microspheres, (WGMs), J. Raman Spectroscopy,42(2011)1373-1378.
    
    
11. V. Ramanaiah Dantham and, Prem B. Bisht, Modification of radiative rates of molecules coated on a single microcavity by evanescent coupling of whispering gallery modes, Eur. Phys. J. Appl. Phys. 51 (2010) 20902.
12. Venkata Ramanaiah and P. B. Bisht, High-Q whispering gallery modes of doped and coated single microspheres and their effect on radiative rate, J. Opt. Soc. Am. B 26(2009)290.

13. P. Sandeep and P. B. Bisht, Concentration sensing based on radiative rate enhancement from a single microcavity, Chem. Phys. Letters 415, 15-19 (2005).
    
    
14. P. Sandeep and P. B. Bisht, Photophysics of 9-amino acridine hydrochloride hydrate single microcrystals, Chemical Physics 326 pp.521-526, (2006).
    
    
15. Prem B. Bisht, Kazuhiro Fukuda and Satoshi Hirayama; Steady-state and time-resolved spectroscopy of some dyes in polymer microspheres showing morphology dependent resonances; J. Chemical Physics 105, 9349- 9361 (1996).
    
    
16. . P. Sandeep and P. B.Bisht, Effect of adsorbed concentration on the radiative rate enhancement of photo-excited molecules embedded in single microspheres, J. Chemical Physics 123, pp 204713-204720, (2005).
17. Raju, S. C.; Namboodiri, R. C.; Bisht, P. B., Whispering gallery modes of microcavities for sensing Applications, International Conference on Fibre Optics and Photonics, Chennai, India, 2012; p MPo.7

Distributed feedback dye lasers, Multiphoton dye lasers, New dyes probes, porphyrines

·         Enhanced two photon absorption cross section and optical nonlinearity of a quasi-octupolar molecule” C. K. R. Namboodiri, S. R. Bongu, P. B. Bisht, R. Mukkamala, B. Chandra, I. S. Aidhen, T. J. Kelly, and J. T. Costello, J. Photochem. Photobiol. A: Chemistry 314 (2016) pp. 60-65.

·         Mixed β-Pyrrole Substituted meso-Tetraphenylporphyrins and Their Metal Complexes: Optical Nonlinearity using Degenerate Four Wave Mixing Technique", Basanth Kalanoor, Prem B. Bisht*, Kailash C. Jena,Velkannan Veerapadian, P. Bhyrappa, J. Phys. Chem. :A 117 (2013) 8216-8221

·         Solvatochromism, multiphoton fluorescence, and resonance energy transfer in a new octupolar dye-pair, C. K. R. Namboodiri, P. B. Bisht, R. Mukkamala, B. Chandra and I. S. Aidhen, Chemical Physics 415 (2013) 190-195.

·         A new Distyrylbenzene Derivative with Weinreb Amide Functionality: An Efficient Laser Dye and Nonlinear Optical material, Basanth S. Kalanoor, Prem B. Bisht, Senthilmurugan Annamalai, Indrapal Singh Aidhen, ^, Journal of Luminescence 129(2009)1094-1098.

·         Tunable multiline distributed feedback dye laser based on the phenomenon of excitation energy transfer, Rallabandi Sailaja and Prem B. Bisht,
Organic Electronics, 8 (2007) 75-183.

·         Influence of multiphoton events in measurement of two-photon absorption cross-sections and optical nonlinear parameters under femtosecond pumping,
R. Sailaja, Prem B. Bisht, C. P. Singh, K. S. Bindra and S. M. Oak, Optics Communications 277 (2007) 433-439.

·         Upconversion dye lasers: Experiments and theoretical simulations on lasing by single and multiphoton pumping under ns and ps excitation,
Rallabandi Sailaja and Prem B. Bisht, Laser Horizon 7, 17-22 (2004).

Carbon nanotubes and Graphene , quantum dots, plasmonics with metal naoparticles

1.       Vijay Kumar Sagar, Shubhayan Bhattacharya, Soumyodeep Dey and Prem B. Bisht, Optical characterization of graphene-f-o-phenylenediamine and charge transfer interaction with organic dye,Carbon 166 (2020) 15-25. Details: https://doi.org/10.1016/j.carbon.2020.05.026.

2.       Vijay Kumar Sagar, Aneesh V. Veluthandath, and Prem B. Bisht, Photoluminescence enhancement of organic dye by graphene quantum dots
J. Photochem. Photobiol. A: Chemistry 400 (2020)112614-112620. Details: https://doi.org/10.1016/j.jphotochem.2020.112614

3.       Shubhayan Bhattacharya, Aneesh V. Veluthandath, Ganapathy Senthil Murugan and Prem B. Bisht, Temperature dependence of whispering gallery modes of quantum dot-doped microbottle resonators, J. Luminescence 221 (2020)117050.

4.       Aneesh V. Veluthandath, Prem B. Bisht,
Radiative rate modification in CdSe quantum dot-coated microcavity
Journal of Applied Physics, 118 (2015) 233102.

5.       Sudhakara Reddy Bongu, Aneesh V. Veluthandath, B. R. K. Nanda, Sundara Ramaprabhu, and Prem B. Bisht,
Control over the charge transfer in dye-nanoparticle decorated graphene
Chem. Phys. Letters 644 (2016) 176-182.

6.      “Effect of complex formation on nonlinear optical parameters of dye-graphene system”, Sudhakara Reddy Bongu, Prem B. Bisht,* Basanth Kalanoor, Raman C. K. Namboodiri, Pranati Nayak, Sundara Ramaprabhu,
J. Photochem. Photobiol. A: Chemistry 299 (2015), pp. 54-61.

7.      Influence of localized surface plasmons on Pauli blocking and optical limiting in graphene under femtosecond pumping, Sudhakara R. Bongu¹, Prem B. Bisht,^1,a) Raman Namboodiri,¹ Pranati Nayak¹, S. Ramaprabhu,¹Thomas J. Kelly,² Colm Fallon,² and John T. Costello² J. Appl. Physics 116 (2014) 073101.

8.      Enhanced SWIR third order nonlinearity of gold nanoparticle embedded ZnO thin films, B. S. Kalanoor , S. A. Ali, P. B. Bisht^*,A. Patra and S. Kasiviswanathan, J. Opt. Soc. Am. B 30 (2013) 2226-2232.

9.      Optical nonlinearity of silver decorated graphene, B. S. Kalanoor , S. A. Ali, P. B. Bisht^*, T. T. Baby, S. Ramaprabhu, J. Opt. Soc. Am. B 29 (2012) 669 - 675.

10.  Restricting charge transfer in dye-graphene system,V. R. Dantham, P. B. Bisht^*, B. S. Kalanoor, T. T. Baby, S. Ramaprabhu, Chem. Phys. Letters 521 (2012) 130-133

11.  Study of optical nonlinearity of functionalised multi-wall carbon nanotubes by using degenerate four wave mixing and Z-scan techniques,Kailash C. Jena, Prem B. Bisht, M. M. Shaijumon and S. Ramaprabhu, Optics Communications, 273, (2007) 153-158.

Self-phase modulation, femtosecond white light continuum (WLC) generation, Third order optical nonlinearity, nonlinear optics

1.       Soumyodeep Dey, Sugandh Sirohi, Surendra Singh, Prem B. Bisht, Ring shaped fs supercontinuum with thermally induced self-diffraction effect, Appl. Opt. 61(32), 9755-9761 (2022).

2.       Soumyodeeep Dey , Sudhakara Reddy Bongu , Prem B. Bisht, Broad band nonlinear optical parameter measurements using a single white light Z-scan, Journal of Applied Physics 121 (2017) 113107

3.       C. K. R. Namboodiri, S. R. Bongu, P. B. Bisht, R. Mukkamala, B. Chandra, I. S. Aidhen, T. J. Kelly, and J. T. Costello, Enhanced two photon absorption cross section and optical nonlinearity of a quasi-octupolar molecule
J. Photochem. Photobiol. A: Chemistry 314 (2016) pp. 60-65.

4.       Ambika Nautiyal and P. B. Bisht, Sum frequency generation and parametric amplification of white light Continuum generated from water-D2o mixture under Picosecond pumping, "Progress on Tunable Lasers for Ultrafast Processes and Applications, PTLUPA6" Dec. 21-22, 2006, IIT Madras, page 42-43.

5.       Umakanta Tripathy and Prem B. Bisht, Simultaneous estimation of optical nonlinear refractive and absorptive parameters by solvent induced changes in optical density, Optics Communication. 261 (2006) pp. 353–358.

6.       Study of optical nonlinearity of functionalised multi-wall carbon nanotubes by using degenerate four wave mixing and Z-scan techniques, Kailash C. Jena, Prem B. Bisht, M. M. Shaijumon and S. Ramaprabhu, Optics Communications, 273, (2007) 153-158.

7.       Influence of multiphoton events in measurement of two-photon absorption cross-sections and optical nonlinear parameters under femtosecond pumping, R. Sailaja, Prem B. Bisht, C. P. Singh, K. S. Bindra and S. M. Oak, Optics Communications 277 (2007) 433-439.

8.       Comparison of white light continuum generation under femtosecond and Picosecond pumping, R. Sailaja, S. Lochbrunner, E. Riedle and P. B. Bisht, Proc. of "Progress on Tunable Lasers for Ultrafast Processes and Applications, PTLUPA6" Dec. 21-22, 2006, IIT Madras, page 13-14

9.       Basanth S. Kalanoor, Prem B. Bisht, Wavelength dependent resonant nonlinearities in a standard saturable absorber IR26 on picosecond time scale,
Optics Communications (2010) (in Press).

Orientational relaxation of molecules

i). Excitation energy transfer in a weakly coupled system: Studies with time-resolved fluorescence microscopy and laser induced transient grating techniques, K. Chandra Jena and P. B. Bisht, Chemical Physics 314 (2005) 179-188.

(ii). Theoretical and experimental studies on photophysical parameters of N; N-bis(2,5,-di-tert- butylphenyl)-3,4:9-10-perylenebis(dicarboximide) (DBPI) by using transient grating technique, R. J. Rajesh and P. B. Bisht, Chem. Phys. Letters 357, 420-425 (2002).

Energy transfer, Charge transfer,  dye lasers

1.         Sudhakara Reddy Bongu, Aneesh V. Veluthandath, B. R. K. Nanda, Sundara Ramaprabhu, and Prem B. Bisht, Control over the charge transfer in dye-nanoparticle decorated graphene Chem. Phys. Letters 644 (2016) 176-182.

2.         Tunable multiline distributed feedback dye laser based on the phenomenon of excitation energy transfer, Rallabandi Sailaja and Prem B. Bisht, Organic Electronics, 8 (2007) 75-183.

3.          Effect of donor-acceptor interaction strength on excitation energy migration and diffusion at high donor concentrations Umakanta Tripathy and Prem B. Bisht, J. Chem. Phys. 125, (2006) pp. 144502 -144509.

Fibre lasers (figure of eight laser)

T. G. Sindhu, Prem B. Bisht, R. Justin Rajesh and M. V. Satyanarayana, Effect of higher order nonlinear dispersion in ultrashort pulse evolution in a fibre laser, Microwave and Opt. Tech. Letters 28, 196-198 (2001).

B. Experimental Techniques

(I) Time-correlated single photon counting technique of fluorescence lifetimes (IDRP, IIT Madras).

Time-resolved fluorescence microscopy of single microparticles, P. Sandeep and Prem B. Bisht, Photophysics of 9-amino acridine hydrochloride hydrate single microcrystals, Chemical Physics 326 (2006) pp.521-526.

(II). Autocorrelation & SPIDER

(i). Dispersion free autocorrelator for femtosecond pulses (NLS 2009), Delhi.
(ii). Computer controlled femtosecond optical delay line for ultrafast optics and spectroscopy, R. Justin Rajesh, T. S. Natarajan and Prem B. Bisht,  Indian J. Pure & Applied Physics, 39, 636 - 639 (2001).

(iii). Femtosecond Pulses in 375 nm - 405 nm Region by Chirped Sum Frequency, Prem B. Bisht and Akbar S. Ali; UP2014, July 2014, Okinawa.

(III). Laser induced transient grating

Theoretical and experimental studies on photophysical parameters of N; N-bis(2,5,-di-tert- butylphenyl)-3,4:9-10-perylenebis(dicarboximide) (DBPI) by using transient grating technique, R. J. Rajesh and P. B. Bisht, Chem. Phys. Letters 357, 420-425 (2002).

(IV). Fluorescence microscopy

Cavity quantum electrodynamic effects and control of radiative rate of 9-amino acridine hydrochloride hydrate, P. Sandeep and Prem B. Bisht, Chem. Phys. Letters 371, 327-332 (2003).

(V). Confocal optics introduction in fluorescence microscope under IDRP (IITM)
Resolution of a micrometer by confocal fluorescence microscopy in laser dye embedded multi layer polymer films, Ambika Nautiyal, P. Sandeep and Prem B. Bisht, Proc. National Symposium on Radiation and Photochemistry(NSRP – 2005) Karnataka University, Dharwad, Jan. 17 – 19, 2005, page. PC-41.

 C. Other 

(a). Exciplex formation /ESIPT

a.1. Under Supersonic free jet : Vibrational frequency dependent rates
Exciplex formation in vdW complex of naphthalene- triethylamine system in supersonic free jet expansions, Prem B. Bisht, Hrvoje Petek and Keitaro Yoshihara, Chemical Physics Letters 213, 75-83 (1993). (Rates of exciplex formations appear vibrational frequency dependent!)

a.2. Condensed phase

(i). Experimental and theoretical studies of the Proton-hoping in 7-hydroxyquinoline dissolved in viscous hydroxylic media:,Garcia-Ochoa, A. Douhal, P. B. Bisht, F. Sanchez, E. Martinez-Ataz, L. Santos and H. B. Tripathi, J. Phys. Chem. A 102, 8871-8880 (1998).

(ii). Cryogenic studies, site selectivity and discrete fluorescence in salicylic acid dimer, P. B. Bisht, H. B. Tripathi and D. D. Pant, J. Photochemistry & Photobiology, A : Chemistry 90, 103-108 (1995).

(b). ESIPT under high pressure

Prem B Bisht, Massami Okamoto and Satoshi Hirayama, Effect of high pressure on enol-keto tautomerization in salicylic acid: a study by steady-state absorption and fluorescence measurements, J. Physical Chemistry 101, 8850-8855 (1997).

(c). Absorption and luminescence at low temperature (10K, 80K)

(i). Reinvestigation of photophysics of 2-naphthol-amine hydrogen bonded system, P. B. Bisht, H. B. Tripathi and D. D. Pant; Chemical Physics 147, 173-187 (1990).

(ii). Cryogenic studies, site selectivity and discrete fluorescence in salicylic acid dimer, P. B. Bisht, H. B. Tripathi and D. D. Pant, J. Photochemistry & Photobiology, A : Chemistry 90, 103-108 (1995).

(d). Exciplex, triplex and charge transfer in Condensed phase (Nonfluorescence exciplex formation)

(i). Time-resolved spectroscopy of 2-naphthol-triethylamine charge-transfer complexes in polar and nonpolar solvents, P. B. Bisht, G. C. Joshi, H. B. Tripathi and D. D. Pant; Chem. Phys. Letters 142 , 291-297(1987).

(ii). Excited state hydrogen bonding of 2-naphthol-triethylamine system in 1,4- dioxane, P. B. Bisht, G. C. Joshi and H. B. Tripathi, Chem. Phys. Letters 237, 356-360 (1995).

(iii). Ambika Nautiyal, Prem B. Bisht, Steady state and time-resolved studies of pyrene in solution and in single microcrystals,
Journal of Luminescence 130 (2010)1829-1833

(d). Solvated electron in Indole

Femtosecond transient spectroscopy of the photoionization of indole in water, Femtochemistry and Femtobiology: T. Bizjak, P. B. Bisht, S. Lochbrunner, and E. Riedle Ultrafast Events in Molecular Science, M. M. Martin and J. T. Hynes, eds. (Elsevier, Amsterdam, 2004), 229-232.

(e). ESIPT under supersonic free jet: LIF decay rate modifications
Excited state enol-keto tautomerisation in salicylic acid: A supersonic free jet study, Prem B. Bisht, Hrvoje Petek, Keitaro Yoshihara and Umpei Nagashima,
J. Chemical Physics 103, 5290-5307 (1995).

D. Patents